∼ 2023 ∼
- L. Herrera Diez, D. Chiba, D. A. Gilbert, S. Granville, and K. Leistner,
Magneto-ionic and electrostatic gating of magnetism: phenomena and devices
Applied Physics Letters 123, 130401 (2023). 10.1063/5.0176639
- T. Morita, T. Koyama, and D. Chiba
Process gas dependence of spin-orbit torque in Pt/NiO/Co structures
Applied Physics Letters 122, 262402 (2023). 10.1063/5.0155112
- T. Ono, M. Kannaka, Y. Kanai, N. Miyakawa, A. Shinagawa, S. Nakakita, Y. Watanabe, S. Ushiba, S. Tani, Y. Suzuki, M. Kimura, D. Chiba, and K. Matsumoto,
Elastomer-coated graphene biosensor and its response to enzymatic reactions
Japanese Journal of Applied Physics 62(6), 067002 (2023). 10.35848/1347-4065/acda00
- T. Gokita, R. Nagira, T. Torii, T. Koyama, and D. Chiba
Modulation of perpendicular magnetic anisotropy in CoFeB/MgO structure by an application of biaxial tensile strain
Applied Physics Express 16, 063001 (2023). 10.35848/1882-0786/acdb2b
- T. Sugahara, Y. Hirose, J. Nakamura, T. Ono, T. Uemura, M. Karakawa, T. Itoh, W. Shin, Y. Yang, N. Harada, and K. Suganuma,
Carrier-Type Switching with Gas Detection Using a Low-Impedance Hybrid Sensor of 2D Graphene Layer and MoOx Nanorod 3D Network
ACS Applied Engineering Materials 1(4), 1086 (2023). 10.1021/acsaenm.2c00178
- Y. Arai, I. Yamanaka, T. Okamoto, A. Isobe, N. Nakai, N. Kamimura, T. Suzuki, T. Daidoji, T. Ono, T. Nakaya, K. Matsumoto, D. Okuzaki, and Y. Watanabe,
Stimulation of interferon-ƒÀ responses by aberrant SARS-CoV-2 small viral RNAs acting as retinoic acid-inducible gene-I agonists
iScience 26(1), 105742 (2023). 10.1016/j.isci.2022.105742
∼ 2022 ∼
- A. Isobe, Y. Arai, D. Kuroda, N. Okumura, T. Ono, S. Ushiba, S. Nakakita, T. Daidoji, Y. Suzuki, T. Nakaya, K. Matsumoto, and Y. Watanabe,
ACE2 N-glycosylation modulates interactions with SARS-CoV-2 spike protein in a site-specific manner
Communications Biology 5, 1188 (2022). 10.1038/s42003-022-04170-6
- S. Ushiba, T. Nakano, N. Miyakawa, A. Shinagawa, T. Ono, Y. Kanai, S. Tani, M. Kimura, and K. Matsumoto,
Robust graphene field-effect transistor biosensors via hydrophobization of SiO2 substrates
Applied Physics Express 15(11) 115002 (2022). 10.35848/1882-0786/ac9727
- H. Mizuno, T. Moriyama, K. Tanaka, M. Kawaguchi, T. Koyama, D. Chiba, and T. Ono,
Electric field effect on spectroscopic g-factor and magnetic anisotropy in a Pt/Co/MgO ultrathin film
Japanese Journal of Applied Physics 61, 103001 (2022). 10.35848/1347-4065/ac9025
- T. Morita, K. Hasegawa, T. Koyama, and D. Chiba
Modulation of spin-orbit torque by insertion of a NiO layer in a Pt/Co structure formed on Al2O3 and Si/SiOx substrate
Japanese Journal of Applied Physics 61, 070908 (2022). 10.35848/1347-4065/ac748e
- T. Koyama, Y. Nakatani, and D. Chiba
Chirality-induced effective field in Pt/Co/MgO system with spatial anisotropy-modulation
Applied Physics Letters 120, 172402 (2022). 10.1063/5.0089015
- H. Matsumoto, S. Ota, T. Koyama, and D. Chiba
Biaxial strain sensing using a Pd/Co-based perpendicular flexible spin valve
Applied Physics Express 15, 033004 (2022). 10.35848/1882-0786/ac5725
- K. Saito, A. Imai, S. Ota, T. Koyama, A. Ando, and D. Chiba
CoFeB/MgO-based magnetic tunnel junctions for film-type strain gauge
Applied Physics Letters 120, 072407 (2022). 10.1063/5.0085272
- Y. Oka, S. Ushiba, N. Miyakawa, M. Nishio, T. Ono, Y. Kanai, Y. Watanabe, S. Tani, M. Kimura, and K. Matsumoto
Ionic strength-sensitive and pH-insensitive interactions between C-reactive protein (CRP) and an anti-CRP antibody
Biophysics and Physicobiology 19, e190003 (2022). 10.2142/biophysico.bppb-v19.0003
∼ 2021 ∼
- K. Hasegawa, T. Koyama, and D. Chiba
Current-induced perpendicular magnetization switching without external magnetic field in gate-induced asymmetric structure
Applied Physics Letters 119, 202402 (2021). 10.1063/5.0070987
- N. Miyakawa, A. Shinagawa, Y. Kajiwara, S. Ushiba, T. Ono, Y. Kanai, S. Tani, M. Kimura, and K. Matsumoto,
Drift Suppression of Solution-Gated Graphene Field-Effect Transistors by Cation Doping for Sensing Platforms
Sensors 21(22) 7455 (2021). 10.3390/s21227455
- T. Hirai, K. Hasegawa, S. Ota, M. Suzuki, T. Koyama, and D. Chiba
Modification of interfacial spin-orbit torque in Co/Pt/oxide hybrid structures
Physical Review B 104, 134401 (2021). 10.1103/PhysRevB.104.134401
- E. M. Elgendy, Y. Arai, N. Kawashita, A. Isobe, T. Daidoji, M. S. Ibrahim, T. Ono, T. Takagi, T. Nakaya, K. Matsumoto, and Y. Watanabe
Double mutations in the H9N2 avian influenza virus PB2 gene act cooperatively to increase viral host adaptation and replication for human infections
Journal of General Virology 102(6), 001612 (2021). 10.1099/jgv.0.001612
- A. Obinata, T. Koyama, F. Matsukura, K. Nakamura, and D. Chiba
Electric-field effect on magnetic moments in Co ultra-thin films deposited on Pt
Applied Physics Letters 118, 152405 (2021). 10.1063/5.0049052
- S. Ota, P. V. Thach, H. Awano, A. Ando, K. Toyoki, Y. Kotani, T. Nakamura, T. Koyama and D. Chiba
Strain-induced modulation of temperature characteristics in ferrimagnetic Tb-Fe films
Scientific Reports 11, 6237 (2021). 10.1038/s41598-021-85642-3
- S. Ushiba, N. Miyakawa, N. Ito, A. Shinagawa, T. Nakano, T. Okino, H. Sato, Y. Oka, M. Nishio, T. Ono, Y. Kanai, S. Innami, S. Tani, M. Kimuara and K. Matstumoto
Deep-learning-based semantic image segmentation of graphene field-effect transistors
Applied Physics Express 14, 036504 (2021). 10.35848/1882-0786/abe3db
- K. Hasegawa, T. Koyama and D. Chiba
Enhanced unidirectional spin Hall magnetoresistance in a Pt / Co system with a Cu interlayer Physical Review B 103, L020411 (2021). 10.1103/PhysRevB.103.L020411
- H. Matsumoto, S. Ota, T. Koyama and D. Chiba
Control of magnetic anisotropy in a Co thin film on a flexible substrate by applying biaxial tensile strain Applied Physics Letters 118, 022406 (2021). 10.1063/5.0035003
- T. Hirai, H. Amin, K. Hasegawa, T. Koyama, R. Iguchi, T. Ohkubo, D. Chiba and K. Uchida
Strain-induced cooling-heating switching of anisotropic magneto-Peltier effect Applied Physics Letters 118, 022403 (2021). 10.1063/5.0034858
- Y. Arai, N. Kawashita, E. M. Elgendy, M. S. Ibrahim, T. Daidoji, T. Ono, T. Takagi, T. Nakaya, K. Matsumoto, and Y. Watanabe
PA mutations inherited during viral evolution act cooperatively to increase replication of contemporary H5N1 influenza virus with an expanded host range Journal of Virology 95(1), e01582 (2021). 10.1128/JVI.01582-20
∼ 2020 ∼
- T. Ono, Y. Kanai, Y. Ohno, K. Maehashi, K. Inoue and K. Matsumoto
Electrical Biosensor Using Graphene Field-Effect Transistor and Small Receptor Molecules Carbon Related Materials, 91 (2020). 10.1007/978-981-15-7610-2_5
- T. Hirai, Y. Hibino, K. Hasegawa, M. Kohda, T. Koyama and D. Chiba
Voltage control of spin-orbit torque in Pd/Co/Pd/HfOx Applied Physics Express 13, 123005 (2020). 10.35848/1882-0786/abcd71
- K. T. Yamada, Y. Shiota, T. Koyama, Y. Kotani, K. Toyoki, H. Mizuno, F. Ando, K. Nakamura, D. Chiba and T. Ono
Orbital-dependent electric field effect on magnetism in ultrathin cobalt, Physical Review B 102, 100407(R) (2020). 10.1103/PhysRevB.102.100407
- Y. Arai, E. M. Elgendy, T. Daidoji, M. S. Ibrahim, T. Ono, N. Sriwilaijaroen, Y. Suzuki, T. Nakaya, K. Matsumoto and Yohei Watanabe
H9N2 influenza virus infections in human cells require a balance between NA sialidase activity and HA receptor affinity, Journal of Virology 94, e01210-20 (2020).
10.1128/JVI.01210
- Y. Hibino, T. Moriyama, K. Hasegawa, T. Koyama, T. Ono and D. Chiba
Spin-orbit precession effect in a Py/Pt/Co tri-layer structure detected by ferromagnetic resonance, Applied Physics Express 13, 083001 (2020). 10.35848/1882-0786/aba0dc
- T. Taniguchi, T. Koyama, K.-H. Kim, D. Chiba, K.-J. Kim, and T. Ono
Observation of domain wall segment jump among disorders, Journal of Magnetism and Magnetic Materials
511, 166999 (2020). 10.1016/j.jmmm.2020.166999
- S. Ota, T. Hirai, K. Ochi, T. Namazu, T. Ina, T. Koyama and D. Chiba
Extended X-ray absorption fine structure spectroscopy of stretched magnetic films on flexible substrate, Journal of Applied Physics
127, 173901 (2020). doi.org/10.1063/5.0005925
- S. Fukushima, M. Shimatani, S. Okuda, S. Ogawa, Y. Kanai, T. Ono, K. Inoue, and K. Matsumoto
Middle wavelength infrared graphene photodetectors with low dark-current and high responsivity, Proceedings of SPIE - The International Society for Optical Engineering
127, 173901 (2020). doi.org/10.1117/12.2558381
- M. Shimatani, S. Fukushima, S. Okuda, S. Ogawa, Y. Kanai, T. Ono, K. Inoue, and K. Matsumoto
Room temperature long-wavelength infrared graphene photodetectors using photogating via the pyroelectric effect, Proceedings of SPIE - The International Society for Optical Engineering
11407, 1140717 (2020). doi.org/10.1117/12.2558343
- Y. Hibino, K. Hasegawa, T. Koyama and D. Chiba
Spin-orbit torque generated by spin-orbit precession effect in Py/Pt/Co tri-layer structure, APL Materials
8, 014110 (2020). doi.org/10.1063/5.0002326
- S. Fukushima, M. Shimatani, S. Okuda, S. Ogawa, Y. Kanai, T. Ono, K. Inoue, and K. Matsumoto
Photogating for small high-responsivity graphene middle-wavelength infrared photodetectors, Optical Engineering
59(3), 37101 (2020). doi.org/10.1117/1.OE.59.3.037101
- T. Koyama, J. Ieda and D. Chiba
Electric field effect on the magnetic domain wall creep velocity in Pt/Co/Pd structures with different Co thicknesses, Applied Physics Letters
116, 092405 (2020). doi.org/10.1063/1.5143970
- S. Ushiba, T. Okino, N. Miyakawa, T. Ono, A. Shinagawa, Y. Kanai, K. Inoue, K. Takahashi, M. Kimura and K. Matsumoto
State-space modeling for dynamic response of graphene FET biosensors,
Japanese Journal of Applied Physics 59, SGGH04 (2020). doi: 10.7567/1347-4065/ab65ac
- T. Hirai, T. Koyama and D. Chiba
Electric field modulation of exchange bias at the Co/CoOx interface, Physical Review B
101, 014447 (2020). doi.org/10.1103/PhysRevB.101.014447
- Y. Kanai, Y. Ohmuro-Matsuyama, M. Tanioku, S. Ushiba, T. Ono, K. Inoue, T. Kitaguchi, M. Kimura, H. Ueda and K. Matsumoto
Graphene Field Effect Transistor-Based Immunosensor for Ultrasensitive Noncompetitive Detection of Small Antigens,
ACS Sensors 5(1), 24 (2020). doi: 10.1021/acssensors.9b02137
∼ 2019 ∼
- H. Nakayama, T. Hirai, J. Uzuhashi, R. Iguchi, T. Ohkubo, T. Koyama, D. Chiba and K. Uchida
Electric-field-induced on-off switching of anomalous Ettingshausen effect in ultrathin Co films, Applied Physics Express 12,123003(2019). doi: 10.7567/1882-0786/ab55bb
- S. Ota, A. Ando, T. Sekitani, T. Koyama and D. Chiba
Flexible CoFeB/MgO-based magnetic tunnel junctions annealed at high temperature (≥350Ž), Applied Physics Letter 115, 202401 (2019). doi: 10.1063/1.5128952[Editor's Pick]
- K. Ochi, T. Hirai, S. Ota, T. Koyama, T. Sekitani and D. Chiba
Solid-state capacitor for voltage control of magnetism formed on a flexible substrate, Japanese Journal of Applied Physics 58,118003 (2019). doi: 10.7567/1347-4065/ab4de9
- R. Negishi, C. Wei, Y. Yao, Y. Ogawa, M. Akabori, Y. Kanai, K. Matsumoto, Y. Taniyasu and Y. Kobayashi
Turbostratic Stacking Effect in Multilayer Graphene on the Electrical Transport Properties,
Physica Status Solidi (B) Basic Research 2, 1900437 (2019). doi: 10.1002/pssb.201900437
- S. Ota, K. Uchida, R. Iguchi, P. Thach, H. Awano and D.
Chiba
Strain-induced switching of heat current direction generated by
magneto-thermoelectric effects, Scientific Reports 9,
13197 (2019). doi: 10.1038/s41598-019-49567-2 [OPEN ACCESS]
- C. Chen, Z. Zhang, D. Kim, B. Zhang, M. Tanioku, T. Ono,
K. Matsumoto and K. Suganuma,
Interfacial oxidation protection and
thermal-stable sinter Ag joining on bare Cu substrate by single-layer
graphene coating, Applied Surface Science 497, 143797
(2019). doi: 10.1016/j.apsusc.2019.143797
- K. Takiguchi, L. D. Anh, T. Chiba, T. Koyama, D. Chiba
and M. Tanaka
Giant gate-controlled proximity magnetoresistance in
semiconductor-based ferromagnetic-non-magnetic bilayers, Nature
Physics 15, 1134 (2019). doi: 10.1038/s41567-019-0621-6
- T. Kujime, Y. Taniguchi, D. Akiyama, Y. Kawamura, Y. Kanai, K. Matsumoto, Y. Ohno and M. Nagase
High Stability of Epitaxial Graphene on a SiC Substrate,
Physica Status Solidi (B) Basic Research 2, 1900357 (2019). doi: 10.1002/pssb.201900357
- Y. Arai, N. Kawashita, M. S. Ibrahim, E. M. Elgendy, T. Daidoji, T. Ono, T. Takagi, T. Nakaya and K. Matsumoto
PB2 mutations arising during H9N2 influenza evolution in the Middle East confer enhanced replication and growth in mammals,
PLOS Pathogens 15, e1007919 (2019). doi: 10.1371/journal.ppat.1007919
- T. Kawahara, H. Hiramatsu, Y. Ohmi, N. Sriwilaijaroen, Y. Suzuki, S. Nakakita, Y. Watanabe, Y. Ohno, K. Maehashi, T. Ono, Y. Kanai and K. Matsumoto
Effective binding of sugar chains to influenza virus on the surface by bovine serum albumin localization,
Japanese Journal of Applied Physics 58, SIID03 (2019). doi: 10.7567/1347-4065/ab1b68
- T. Ono, Y. Kanai, K. Inoue, Y. Watanabe, S.
Nakakita, T. Kawahara, Y. Suzuki, and K. Matsumoto
Electrical Biosensing
at Physiological Ionic Strength Using Graphene Field-Effect Transistor in
Femtoliter Microdroplet, Nano Letters 19, 4004
(2019). doi: 10.1021/acs.nanolett.9b01335
- S. Ogawa, M. Shimatani, S. Fukushima, S. Okuda, Y. Kanai, T. Ono, and K. Matsumoto
Broadband photoresponse of graphene photodetector from visible to long-wavelength infrared wavelengths,
Optical Engineering 5, 057106 (2019). doi: 10.1117/1.OE.58.5.057106
- S. Fukushima, M. Shimatani, S. Okuda, S. Ogawa, Y. Kanai, T. Ono, K. Inoue and K. Matsumoto
Low dark current and high-responsivity graphene mid-infrared photodetectors using amplification of injected photo-carriers by photo-gating,
Optics Letters 10, 2598 (2019). doi: 10.1364/OL.44.002598
- K. Kim, T. Li, S. Kim, T. Moriyama, T. Koyama, D. Chiba,
K. Lee, H. Lee, and T. Ono
Possible contribution of high-energy magnons
to unidirectional magnetoresistance in metallic bilayers, Applied
Physics Express 12, 063001 (2019). doi: 10.7567/1882-0786/ab1b54
- S. Ota, M. Ono, H. Matsumoto, A. Ando, T. Sekitani,
R. Kohno, S. Iguchi, T. Koyama, and D.
Chiba
CoFeB/MgO-based magnetic tunnel junction directly formed on a
flexible substrate, Applied Physics Express 12, 053001
(2019) doi: 10.7567/1882-0786/ab0dca(Spotlights 2019) [OPEN
ACCESS]
- H. Matsumoto, S. Ota, A. Ando, and D. Chiba
A
flexible exchange-biased spin valve for sensing strain
direction, Applied Physics Letters 114, 132401
(2019). doi: 10.1063/1.5091033
--ã‘åŽYŒ¤ç—tŒ¤”‘«Œã‚ɉp•¶ŽGŽ‚ÉŒfÚ‚³‚ꂽ˜_•¶ª--
- T. Ohkochi, K.-J. Kim, S. Kim, Y. Yoshimura, H. Tanigawa, N. Ohshima, T.
Koyama, M. Kotsugi, D. Chiba, T. Ono, and T. Kinoshita
Real-space and
pulse-by-pulse analysis of domain wall creep induced by spin-Hall
torque, Japanese Journal of Applied Physics 58, 023001
(2019). doi: 10.7567/1347-4065/aaf628
∼ 2018 ∼
- T. Koyama, Y. Nakatani, J. Ieda, and D. Chiba
Electric field control
of magnetic domain wall motion via modulation of the Dzyaloshinskii-Moriya
interaction, Science Advances 4, eaav0265 (2018). doi: 10.1126/sciadv.aav0265 [OPEN
ACCESS]
- F. Ando, M. Ishibashi, T. Koyama, Y. Shiota, T. Moriyama, D. Chiba, and
T. Ono
Magnetic domain writing defined by electrical gating in Pt/Co
film, Applied Physics Letters 113, 252402 (2018). doi:
10.1063/1.5078553
- A. Obinata, T. Hirai, Y. Kotani, K. Toyoki, T. Nakamura, T. Koyama, and
D. Chiba
Electric field effect on magnetism in a MgO/Pd/Co system with a
solid-state capacitor structure, AIP Advances 8, 115122
(2018). doi:
10.1063/1.5039680 [OPEN ACCESS]
- S. Nakazawa, A. Obinata, D. Chiba, and K. Ueno
Perpendicular magnetic
anisotropy and its electric field effect in Co ultrathin films deposited
directly on SrTiO3(111) surface, Japanese Journal of
Applied Physics 57, 123001 (2018). doi:10.7567/JJAP.57.123001
- K. Hasegawa, Y. Hibino, M. Suzuki, T. Koyama, and D.
Chiba
Enhancement of spin-orbit torque by inserting
CoOx layer into Co/Pt interface, Physical Review B
(Rapid Communications) 98, 02045(R) (2018). doi:10.1103/PhysRevB.98.020405
- K. Sekiguchi, D. Chiba, and T. Tachizaki
Time-domain propagating
spin-wave spectroscopy for forward spin waves in a ferromagnetic
metal, Japanese Journal of Applied Physics 57, 0902B4
(2018). doi:10.7657/JJAP/57/0902B4 [Free
Article]
- D. Chiba
Electrical control at the interface, Nature
Electronics 1, 330 (2018). doi.org/10.1038/s41928-018-0090-4 Click here to check Full text
- F. Ando, K. T. Yamada, T. Koyama, M. Ishibashi, Y. Shiota, T. Moriyama,
D. Chiba, and T. Ono
"Microscopic origin of electric-field-induced
modulation of Curie temperature in cobalt", Applied Physics
Express 11, 073002 (2018). doi:10.7567/APEX.11.073002
- M. Ishibashi, K. T. Yamada, Y. Shiota, F. Ando, T. Koyama, H. Kakizakai,
H. Mizuno, K. Miwa, S. Ono, T Moriyama, D. Chiba, and T. Ono
Electric
field effect on exchange interaction in ultrathin Co films with ionic
liquids, Applied Physics Express 11, 061501 (2018). doi:10.7567/APEX.11.063002
- T. Kanaki, H. Yamasaki, T. Koyama, D. Chiba, S. Ohya, and M.
Tanaka
Large current modulation and tunneling magnetoresistance change by
a side-gate electric field in a GaMnAs-based vertical spin
metal-oxide-semiconductor field-effect transistor, Scientific
Reports 8, 7195 (2018). doi:10.1038/s41598-018-24958-z [OPEN ACCESS]
- S. Kim, K. Ueda, G. Go, P.-H. Jang, K.-J. Lee, A. Belabbes, A. Manchon,
M. Suzuki, Y. Kotani, T. Nakamura, K. Nakamura, T. Koyama, D. Chiba, K.
Yamada, D.-H. Kim, T. Moriyama, K.-J. Kim and T. Ono
Correlation of the
Dzyaloshinskii-Moriya Interaction with Heisenberg Exchange and Orbital
Asphericity, Nature Communications 9, 1648 (2018). doi:10.1038/s41467-018-04017-x [OPEN ACCESS] (Editors' Highlights)
- Y. Tanaka, T. Hirai, T. Koyama and D. Chiba
Electric-field-induced
magnetic domain writing in a Co wire, Applied Physics Express
11, 053005 (2018). doi:10.7567/APEX.11.053005 [Free
Article] (Spotlights 2018)
- K. T. Yamada, M. Suzuki, A. -M. Pradipto, T. Koyama, S. Kim, K. -J. Kim,
S. Ono, T. Taniguchi, H. Mizuno, F. Ando, K. Oda, H. Kakizakai, T. Moriyama,
K. Nakamura, D. Chiba, and T. Ono
Microscopic investigation into the
electric field effect on proximity-induced magnetism in Pt, Physical
Review Letters 120, 157203 (2018). doi:10.1103/PhysRevLett.120.157203
- T. Hirai, T. Koyama, and D. Chiba
Control of magnetism by electrical
charge doping or redox reactions in a surface-oxidized Co thin film with a
solid-state capacitor structure, Applied Physics Letters
112, 122408 (2018). doi:10.1063/1.5020932
- S. Ota, A. Ando, and D. Chiba
A flexible giant magnetoresistive
device for sensing strain direction, Nature Electronics 1,
124-129 (2018). doi:10.1038/s41928-018-0022-3 Click here to check Full text
- M. Suzuki, K.-J. Kim, S. Kim, H. Yoshikawa, T. Tono, K. T. Yamada, T.
Taniguchi, H. Mizuno, K. Oda, M. Ishibashi, Y. Hirata, T. Li, A. Tsukamoto,
D. Chiba and T. Ono
Three-dimensional visualization of magnetic domain
structure with strong uniaxial anisotropy via scanning hard X-ray
microtomography, Applied Physics Express 11, 036601
(2018). doi:10.7567/APEX.11.036601 [OPEN
ACCESS]
- Y. Hayashi, Y. Hibino, F. Matsukura, K. Miwa, S. Ono, T. Hirai, T.
Koyama, H. Ohno, and D. Chiba
Electric-field effect on magnetic
anisotropy in Pt/Co/Pd/MgO structures deposited on GaAs and Si substrates,
Applied Physics Express 11, 013003 (2018). doi:10.7567/APEX.11.013003
∼ 2017 ∼
- T. Koyama and D. Chiba
Influence of the magnetization reversal
mechanism on the electric field modulation of coercivity in Pt/Co
structures, Physical Revew B 96, 224409 (2017). doi:10.1103/PhysRevB.96.224409
- Y. Hibino, T. Koyama, S. Sumi, H. Awano, K. Miwa, S. Ono, M. Kohda, and
D. Chiba
Electric-field-induced on/off switching of the Faraday effect,
Applied Physics Express 10, 123201 (2017). doi:10.7567/APEX.10.123201
- Y. Hibino, T. Hirai, K. Hasegawa, T. Koyama, and D.
Chiba
Enhancement of the spin-orbit torque in a Pt/Co system with a
naturally oxidized Co layer, Applied Physics Letters 111,
132404 (2017). doi:10.1063/1.4995292
- Y. Guan, T. Koyama, and D. Chiba
Current-induced magnetic domain
wall motion in Pt/Co/Pd and Pd/Co/Pt structures with opposite sign of
Dzyaloshinskii-Moriya interaction, AIP advances 7, 085123
(2017). doi:10.1063/1.4986264 [OPEN
ACCESS]
- T. Li, S. Kim, S.-J. Lee, S.-W. Lee, T. Koyama, D. Chiba, T. Moriyama,
K.-J. Lee, K.-J. Kim and T. Ono
Origin of threshold current density for
asymmetric magnetoresistance in Pt/Py bilayers, Applied Physics
Express 10, 073001 (2017). doi:10.7567/APEX.10.073001
- J. Okabayashi, T. Koyama, M. Suzuki, M. Tsujikawa, M. Shirai, and D.
Chiba
Induced perpendicular magnetization in a Cu layer inserted between
Co and Pt layers revealed by x-ray magnetic circular dichroism,
Scientific Reports 7, 46132 (2017). doi:10.1038/srep46132 [OPEN
ACCESS]
- T. Koyama, Y. Guan, and D. Chiba,
Investigation of spin-orbit
torque using current-induced magnetization curve, Scientific
Reports 7, 790 (2017). doi:10.1038/s41598-017-00962-7 [OPEN ACCESS]
- H. Kakizakai, K. Yamada, F. Ando, M. Kawaguchi, T. Koyama, S. Kim, T.
Moriyama, D. Chiba, and T. Ono,
Influence of sloped electric field on
magnetic-field-induced domain wall creep in a perpendicularly magnetized Co
wire, Japanese Journal of Applied Physics 56, 050305
(2017). doi:10.7567/JJAP.56.050305
- T. Koyama, Y. Guan, Y. Hibino, M. Suzuki, and D. Chiba,
Magnetization switching by spin-orbit torque in Pt with
proximity-induced magnetic moment, Journal of Applied Physics
121, 123903 (2017). doi:10.1063/1.4978965
- S. Nakazawa, A. Obinata, D. Chiba, and K. Ueno,
Electric field
control of magnetic anisotropy in a Co/Pt bilayer deposited on a
high-κ SrTiO3, Applied Physics Letters
110, 062406 (2017). doi:10.1063/1.4976028
- Y.-C. Lau, P. Sheng, S. Mitani, D. Chiba, and M. Hayashi,
Electric
field modulation of the non-linear areal magnetic anisotropy energy,
Applied Physics Letters 110, 022405 (2017). doi:10.1063/1.4973700
- K. T. Yamada, T. Koyama, H. Kakizakai, K. Miwa, F. Ando, M. Ishibashi,
K.-J. Kim, T. Moriyama, S. Ono, D. Chiba, and T. Ono,
Electrical control
of superparamagnetism, Applied Physics Express 10, 013004
(2017). doi:10.7567/APEX.10.013004
∼ 2016 ∼
- D. Chiba, N. Shibata, and A. Tsukazaki,
Co thin films deposited
directly on ZnO polar surfaces, Scientific Reports 6,
38005 (2016). doi:10.1038/srep38005 [OPEN
ACCESS]] (Scientific Reports
‚¨‚·‚·‚߃Rƒ“ƒeƒ“ƒc‚ÅЉî)
- D. Hayakawa, A. Obinata, K. Miwa, S. Ono, T. Hirai, T. Koyama, and D.
Chiba,
Dielectric and magnetic characterizations of capacitor structures
with an ionic liquid/MgO barrier and a ferromagnetic Pt electrode,
AIP Advances 6, 115305 (2016). doi:10.1063/1.4967343 [OPEN
ACCESS]
- T. Kanaki, T. Koyama, D. Chiba, S. Ohya, and M. Tanaka,
Spin-dependent transport and current modulation in a current-in-plane
spin-valve field-effect transistor, Applied Physics Letters
109, 152403 (2016). doi:10.1063/1.4964419
- R. Asai, S. Ota, T. Namazu, T. Takenobu, T. Koyama, and D. Chiba,
Stress-induced large anisotropy field modulation in Ni films deposited
on a flexible substrate, Jounal of Applied Physics 120,
083906 (2016). doi:10.1063/1.4961564
- Y. Hibino, T. Koyama, A. Obinata, T. Hirai, S. Ota, K. Miwa, S. Ono, F.
Matsukura, H. Ohno, and D. Chiba,
Peculiar temperature dependence of
electric-field effect on magnetic anisotropy in Co/Pd/MgO system,
Applied Physics Letters 109, 082403 (2016). doi:10.1063/1.4961621
- F. Ando, H. Kakizakai, T. Koyama, K. Yamada, M. Kawaguchi, S. Kim, K-J.
Kim, T. Moriyama, D. Chiba, and T. Ono,
Modulation of the magnetic
domain size induced by an electric field, Applied Physics Letters
109, 022401 (2016). doi:10.1063/1.4955265
- T. Hirai, T. Koyama, A. Obinata, Y. Hibino, K. Miwa, S. Ono, M. Kohda,
and D. Chiba,
Control of magnetic anisotropy in Pt/Co system using ionic
liquid gating, Applied Physics Express 9, 063007 (2016).
doi:10.7567/APEX.9.063007 [OPEN
ACCESS]
- H. Kakizakai, F. Ando, T. Koyama, K. Yamada, M. Kawaguchi, S. Kim, K.-J.
Kim, T. Moriyama, D. Chiba, and T. Ono,
Switching local magnetization by
electric-field-induced domain wall motion, Applied Physics
Express 9, 063004 (2016). doi:10.7567/APEX.9.063004
- S. Ota, Y. Hibino, D. Bang, H. Awano, T. Kozeki, H. Akamine, T. Fujii,
T. Namazu, T. Takenobu, T. Koyama, and D. Chiba,
Strain-induced
reversible modulation of the magnetic anisotropy in perpendicularly
magnetized metals deposited on a flexible substrate, Applied Physics
Express 9, 043004 (2016). doi:10.7567/APEX.9.043004 [OPEN
ACCESS]
- K. Tanabe, R. Matsumoto, J. Ohe, S. Murakami, T. Moriyama, D. Chiba, K.
Kobayashi, and T. Ono,
Observation of magnon Hall-like effect for
sample-edge scattering in unsaturated YIG, Physica Status Solidi
(b) 253, 783-787(2016). doi:10.1002/pssb.201552520
∼ 2015 ∼
- T. Koyama and D. Chiba,
Determination of effective field induced by
spin-orbit torque using magnetic domain wall creep in Pt/Co structure,
Physical Review B (Rapid Communications) 92, 220402(R)
(2015). doi:10.1103/PhysRevB.92.220402
- M. Nagata, T. Moriyama, K. Tanabe, K. Tanaka, D. Chiba, J. Ohe, Y.
Hisamatsu, T. Niizeki, H. Yanagihara, E. Kita, and T. Ono,
Spin motive
force induced in Fe3O4 thin films with negative spin
polarization, Applied Physics Express 8, 123001 (2015).
doi:10.7567/APEX.8.123001
- Y. Wakabayashi, H. Fujii, T. Kimura, O. Sakata, H. Tajiri, T. Koyama,
and D. Chiba,
Confirmation of no Structural and Chemical Changes in
Curie Temperature Variable Co Ultrathin Films by Electric Field,
Zeitschrift für Physikalische Chemie 230, 569-575
(2015). doi:10.1515/zpch-2015-0648
- Y. Hibino, T. Koyama, A. Obinata, K. Miwa, S. Ono, and D. Chiba,
Electric-Field Modulation of Magnetic Anisotropy in Perpendicularly
Magnetized Pt/Co Structure with a Pd Top Layer, Applied Physics
Express 8, 113002 (2015). doi:10.7567/APEX.8.113002 [Free
Article]@(Spotlights 2015)
(‘æ38‰ñ‰ž—p•¨—Šw‰ï˜_•¶§—ãÜ)
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- D. Chiba,
Electric Field Effect on Magnetism in Metallic Ultra-thin
Films, Frontiers in Physics 3, 83 (2015). doi:10.3389/fphy.2015.00083 [OPEN ACCESS]
- A. Obinata, Y. Hibino, D. Hayakawa, T. Koyama, K. Miwa, S. Ono, and D.
Chiba,
Electric-field control of magnetic moment in Pd,
Scientific Reports 5, 14303 (2015). doi:10.1038/srep14303 [OPEN
ACCESS]
- H. Hata, T. Moriyama, K. Tanabe, K. Kobayashi, R. Matsumoto, S.
Murakami, J. Ohe, D. Chiba, and T. Ono,
Micromagnetic simulation of spin
wave propagation in a ferromagnetic film with different thicknesses,
Journal of the Magnetics Society of Japan 39, 151-155
(2015). doi:10.3379/msjmag.1506R004
- H. Mizuno, T. Moriyama, M. Kawaguchi, M. Nagata, K. Tanaka, T. Koyama,
D. Chiba, and T. Ono,
Ferromagnetic resonance measurements in
sub-nanometer Fe films, Applied Physics Express 8, 073003
(2015). doi:10.7567/APEX.8.073003
- T. Koyama, A. Obinata, Y. Hibino, A. Hirohata, B. Kuerbanjiang, V. K.
Lazarov, and D. Chiba,
Dependence of Curie temperature on Pt layer
thickness in Co/Pt system, Applied Physics Letters 106,
132409 (2015). doi:10.1063/1.4916824
- M. Kawaguchi, T. Moriyama, T. Koyama, D. Chiba, and T. Ono,
Layer
thickness dependence of current induced effective fields in ferromagnetic
multilayers, Journal of Applied Physics 117, 17C730
(2015). doi:10.1063/1.4914897
∼ 2014 ∼
- K. Yamada, T. Sato, Y. Nakatani, S. Kasai, D. Chiba, K. Kobayashi, A.
Thiaville, and T. Ono,
Switching of magnetic vortex core in elliptical
disks by nanosecond field pulses, Applied Physics Express
7, 063008 (2014). doi:10.7567/APEX.7.063008
- H. Tanigawa, T. Suzuki, K. Suemitsu, N. Ohshima, T. Kitamura, T.
Ohkochi, M. Kotsugi, T. Kinoshita, T. Koyama, D. Chiba, Y. Yoshimura, K.
Ueda, T. Ono, and E. Kariyada,
Operating principle of a three-terminal
domain wall device with perpendicularly magnetized Ta/CoFeB/MgO free layer
and underlying hard magnets, Japanese Journal of Applied Physics
53, 063002 (2014). doi:10.7567/JJAP.53.063002
- K. Ueda, K.-J. Kim, Y. Yoshimura, R. Hiramatsu, T. Moriyama, D. Chiba,
H. Tanigawa, T. Suzuki, E. Kariyada, and T. Ono,
Transition in mechanism
for current-driven magnetic domain wall dynamics, Applied Physics
Express 7, 053006 (2014). doi:10.7567/APEX.7.053006
- K. Tanabe, R. Matsumoto, J. Ohe, S. Murakami, T. Moriyama, D. Chiba, K.
Kobayashi, and T. Ono,
Real-time observation of Snellfs law for spin
waves in thin ferromagnetic films, Applied Physics Express
7, 053001 (2014). doi:10.7567/APEX.7.053001
- Y. Yoshimura, T. Koyama, D. Chiba, Y. Nakatani, S. Fukami, M.
Yamanouchi, H. Ohno, K.-J. Kim, T. Moriyama, and T. Ono,
Effect of spin
Hall torque on current-induced precessional domain wall motion,
Applied Physics Express 7, 033005 (2014). doi:10.7567/APEX.7.033005
- S. Fukami, M. Yamanouchi, Y. Nakatani, K.-J. Kim, T. Koyama, D. Chiba,
S. Ikeda, N. Kasai, T. Ono, and H. Ohno,
Distribution of critical
current density for magnetic domain wall motion, Journal of Applied
Physics 115, 17D508 (2014). doi:10.1063/1.4866394
- M. Nagata, K. Tanabe, T. Moriyama, D. Chiba, J. Ohe, M. Myoka, T.
Niizeki, H. Yanagihara, E. Kita, and T. Ono,
Ferromagnetic Resonance in
Magnetite Thin Films, IEEE Transactions on Magnetics 50,
1400203 (2014). doi:10.1109/TMAG.2013.2274270
- S. Ono, R. Häusermann, D. Chiba, K. Shimamura, T. Ono, and B.
Batlogg,
High performance organic field-effect transistors with
ultra-thin HfO2 gate insulator deposited directly onto the
organic semiconductor, Applied Physics Letters 104, 013307
(2014). doi:10.1063/1.4860998
∼ 2013 ∼
- S. Matsuo, T. Koyama, K. Shimamura, T. Arakawa, Y. Nishihara, D. Chiba,
K. Kobayashi, T. Ono, C. Chang, K. He, X. Ma, and Q. Xue,
Conductance
Fluctuation And Weak Antilocalization In Epitaxial
Bi2Se3, AIP Conference Proceedings
1566, 193-194 (2013). doi:10.1063/1.4848351
- T. Koyama, A. Obinata, Y. Hibino, and D. Chiba,
Sign Reversal of
Electric Field Effect on Coercivity in MgO/Co/Pt System, Applied
Physics Express 6, 123001 (2013). doi:10.7567/APEX.6.123001
(Spotlights 2013)
- S. Matsuo, K. Chida, D. Chiba, T. Ono, K. Slevin, K. Kobayashi, T.
Ohtsuki, C. Chang, K. He, X. Ma, and Q. Xue,
Experimental proof of
universal conductance fluctuation in quasi-one-dimensional epitaxial
Bi2Se3 wires, Physical Review B 88,
155438 (2013). doi:10.1103/PhysRevB.88.155438
- M. Kawaguchi, K. Shimamura, S. Fukami, F. Matsukura, H. Ohno, T.
Moriyama, D. Chiba, and T. Ono,
Current-Induced Effective Fields
Detected by Magnetotrasport Measurements, Applied Physics Express
6, 113002 (2013). doi:10.7567/APEX.6.113002
- D. Chiba, T. Ono, F.Matsukura, and H. Ohno,
Electric field control
of thermal stability and magnetization switching in(Ga,Mn)As, Applied
Physics Letters 103, 142418 (2013). doi:10.1063/1.4821778
- R. Hiramatsu, T. Koyama, H. Hata, T. Ono, D. Chiba, S. Fukami, and N.
Ishiwata,
Domain wall pinning by a stray field from NiFe on a Co/Ni
nanowire, Journal of the Korean Physical Society 63,
608-611 (2013). doi:10.3938/jkps.63.608
- H. Kakizakai, K. Yamada, M. Kawaguchi, K. Shimamura, S. Fukami, N.
Ishiwata, D. Chiba, and T. Ono,
Direct Observation of Domain Wall Motion
in Co/Pt Wire under Gate Electric Field, Japanese Journal of Applied
Physics52, 070206 (2013). doi:10.7567/JJAP.52.070206
- K. Yamada, H. Kakizakai, K. Shimamura, M. Kawaguchi, S. Fukami, N.
Ishiwata, D. Chiba, and T. Ono,
Electric Field Modulation of Magnetic
Anisotropy in MgO/Co/Pt Structure, Applied Physics Express
6, 073004 (2013). doi:10.7567/APEX.6.073004
- K.-J. Kim, R. Hiramatsu, T. Koyama, K. Ueda, Y. Yoshimura, D. Chiba, K.
Kobayashi, Y. Nakatani, S. Fukami, M. Yamanouchi, H. Ohno, H. Kohno, G.
Tatara, and T. Ono,
Two-barrier stability that allows low-power
operation in current-induced domain wall motion, Nature
Communications 4, 2011 (2013). doi:10.1038/ncomms3011
- D. Chiba and T. Ono,
Control of magnetism in Co by an electric
field, Journal of Physics D: Applied Physics 46, 213001
(2013). doi:10.1088/0022-3727/46/21/213001
- K. Chida, T. Arakawa, S. Matsuo, Y. Nishihara, T. Tanaka, D. Chiba, T.
Ono, T. Hata, K. Kobayashi, and T. Machida,
Observation of finite excess
noise in the voltage-biased quantum Hall regime as a precursor for
breakdown, Physical Review B 87, 155313 (2013). doi:10.1103/PhysRevB.87.155313
--“Œ‘啨Hç—tŒ¤”‘«Œã‚ɉp•¶ŽGŽ‚ÉŒfÚ‚³‚ꂽ˜_•¶ª-
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- T. Koyama, H. Hata, K.-J. Kim, T. Moriyama, H. Tanigawa, T. Suzuki, Y.
Nakatani, D. Chiba, and T. Ono,
Current-Induced Magnetic Domain Wall
Motion in a Co/Ni Nanowire with Structural Inversion Asymmetry,
Applied Physics Express 6, 033001 (2013). doi:10.7567/APEX.6.033001
- K. Nakano, K.Tanabe, R. Hiramatsu, D. Chiba, N. Ohshima, S. Kasai, T.
Sato, Y. Nakatani, K. Sekiguchi, K. Kobayashi, and T. Ono,
Real-time
observation of electrical vortex core switching, Applied Physics
Letters 102, 072405 (2013). doi:10.1063/1.4793212
- Y-W. Han, H. Yokota, M. Ariyoshi, Y. Tsunaka, T. Iwasa, R. Yokokawa, R.
Hiramatsu, D. Chiba, T. Ono, and Y. Harada,
Characterization of
SRA-Methylated DNA Complexes Dynamics Related to Chromatin Structure
Regulation, Biophysical Journal 104 (2013). doi:10.1016/j.bpj.2012.11.1431
∼ 2012 ∼
- T. Arakawa, T. Tanaka, K. Chida, S. Matsuo, Y. Nishihara, D. Chiba, K.
Kobayashi, T. Ono, A. Fukushima, and S. Yuasa,
Low-frequency and shot
noises in CoFeB/MgO/CoFeB magnetic tunneling junctions, Physical
Review B 86, 224423 (2012). doi:10.1103/PhysRevB.86.224423
- T. Koyama, K. Ueda, K.-J. Kim, Y. Yoshimura, D. Chiba, K. Yamada, J.-P.
Jamet, A. Mougin, A. Thiaville, S. Mizukami, S. Fukami, N. Ishiwata, Y.
Nakatani, H. Kohno, K. Kobayashi, and T. Ono ,
Current-induced magnetic
domain wall motion below intrinsic threshold triggered by Walker breakdown,
Nature Nanotechnology 7, 635-639 (2012). doi:10.1038/nnano.2012.151
- K.-J. Kim, D. Chiba, K. Kobayashi, S. Fukami, M. Yamanouchi, H. Ohno,
S.-G. Je, S.-B. Choe, and T. Ono,
Observation of magnetic domain-wall
dynamics transition in Co/Ni multilayered nanowires, Applied Physics
Letters 101, 022407 (2012). doi:10.1063/1.4733667
- G. Gubbiotti, G. Carlotti, S. Tacchi, M. Madami, T. Ono, T. Koyama, D.
Chiba, F. Casoli, and M. G. Pini,
Spin waves in perpendicularly
magnetized Co/Ni(111) multilayers in the presence of magnetic domains,
Physical Review B 86, 014401 (2012). doi:10.1103/PhysRevB.86.014401
- D. Chiba, M. Kawaguchi, S. Fukami, N. Ishiwata, K. Shimamura, K.
Kobayashi, and T. Ono,
Electric-field control of magnetic domain-wall
velocity in ultrathin cobalt with perpendicular magnetization, Nature
Communications 3, 888 (2012). doi:10.1038/ncomms1888
- M. Kawaguchi, K. Shimamura, S. Ono, S. Fukami, F. Matsukura, H. Ohno, D.
Chiba, and T. Ono,
Electric Field Effect on Magnetization of an Fe
Ultrathin Film, Applied Physics Express 5, 063007 (2012).
doi:10.1143/APEX.5.063007
- K. Tanabe, D. Chiba, J. Ohe, S. Kasai, H. Kohno, S. E. Barnes, S.
Maekawa, K. Kobayashi, and T. Ono,
Spin-motive force due to a gyrating
magnetic vortex, Nature Communications 3, 845 (2012).
doi:10.1038/ncomms1824
- K. Ueda, T. Koyama, R. Hiramatsu, D. Chiba, S. Fukami, H. Tanigawa, T.
Suzuki, N. Ohshima, N. Ishiwata, Y. Nakatani, K. Kobayashi, and T. Ono,
Temperature dependence of carrier spin polarization determined from
current-induced domain wall motion in a Co/Ni nanowire, Applied
Physics Letters 100, 202407 (2012). doi:10.1063/1.4718599
- Y. Yoshimura, T. Koyama, D. Chiba, Y. Nakatani, S. Fukami, M.
Yamanouchi, H. Ohno, and T. Ono,
Current-Induced Domain Wall Motion in
Perpendicularly Magnetized Co/Ni Nanowire under In-Plane Magnetic Fields,
Applied Physics Express 5, 063001 (2012). doi:10.1143/APEX.5.063001
- T. Tanaka, T. Arakawa, K. Chida, Y. Nishihara, D. Chiba, K. Kobayashi,
T. Ono, H. Sukegawa, S. Kasai, and S. Mitani,
Signature of Coherent
Transport in Epitaxial Spinel-Based Magnetic Tunnel Junctions Probed by Shot
Noise Measurement, Applied Physics Express 5, 053003
(2012). doi:10.1143/APEX.5.053003
- K. Shimamura, D. Chiba, S. Ono, S. Fukami, N. Ishiwata, M. Kawaguchi, K.
Kobayashi, and T. Ono,
Electrical control of Curie temperature in cobalt
using an ionic liquid film, Applied Physics Letters 100,
122402 (2012). doi:10.1063/1.3695160
- S. Matsuo, T. Koyama, K. Shimamura, T. Arakawa, Y. Nishihara, D. Chiba,
K. Kobayashi, T. Ono, C. Chang, K. He, X. Ma, and Q. Xue,
Weak
antilocalization and conductance fluctuation in a submicrometer-sized wire
of epitaxial Bi2Se3, Physical Review B
85, 075440 (2012). doi:10.1103/PhysRevB.85.075440
- R. Hiramatsu, K. Kondou, T. Koyama, Y. Yoshimura, D. Chiba, S. Fukami,
N. Ishiwata, and T. Ono,
Effect of Current on Domain Wall Depinning
Field in Co/Ni Nanowire, Japanese Journal of Applied Physics
51, 028005 (2012). doi:10.1143/JJAP.51.028005
- K. Kondou, N. Ohshima, D. Chiba, S. Kasai, K. Kobayashi, and T. Ono ,
Experimental detection of domain wall propagation above the Walker
field, Journal of Physics: Codensed Matter 24, 024217
(2012). doi:10.1088/0953-8984/24/2/024217
- K. Sekiguchi, K. Yamada, S. -M. Seo, K. -J. Lee, D. Chiba, K. Kobayashi,
and T. Ono,
Time-Domain Measurement of Current-Induced Spin Wave
Dynamics, Physical Review Letters 108, 017203 (2012).
doi:10.1103/PhysRevLett.108.017203
∼ 2011 ∼
- K. Nakano, D. Chiba, N. Ohshima, S. Kasai, T. Sato, Y. Nakatani, K.
Sekiguchi, K. Kobayashi, and T. Ono,
All-electrical operation of
magnetic vortex core memory cell, Applied Physics Letters
99, 262505 (2011). doi:10.1063/1.3673303
- D. Chiba, S. Fukami, K. Shimamura, N. Ishiwata, K. Kobayashi, and T.
Ono,
Electrical control of the ferromagnetic phase transition in cobalt
at room temperature, Nature Materials 10, 853-856 (2011).
doi:10.1038/nmat3130
- T. Koyama, D. Chiba, K. Ueda, H. Tanigawa, S. Fukami, T. Suzuki, N.
Ohshima, N. Ishiwata, Y. Nakatani, and T. Ono,
Wire Width Dependence of
Threshold Current Density for Domain Wall Motion in Co/Ni Nanowires,
IEEE Transactions on Magnetics 47, 3089-3091 (2011).
doi:10.1109/TMAG.2011.2157308
- N. Ohshima, T. Koyama, H. Tanigawa, M. Kotsugi, T. Ohkouchi, D. Chiba,
T. Kinoshita, and T. Ono,
Real space observation of current-induced
magnetic domain wall displacement in Co/Ni nano-wire by photoemission
electron microscopy, Journal of Physics: Condensed Matter
23, 382202 (2011). doi:10.1088/0953-8984/23/38/382202
- K. Kondou, R. Hiramatsu, T. Koyama, Y. Nakatani, D. Chiba, S. Fukami, N.
Ishiwata, and T. Ono,
Electrical Investigation of Notch Width Dependence
of Domain Wall Structure in Co/Ni Nanowires, Japanese Journal of
Applied Physics 50, 073002 (2011). doi:10.1143/JJAP.50.073002
- K. Ueda, T. Koyama, D. Chiba, K. Shimamura, H. Tanigawa, S. Fukami, T.
Suzuki, N. Ohshima, N. Ishiwata, Y. Nakatani, and T. Ono,
Current-Induced Magnetic Domain Wall Motion in Co/Ni Nanowire at Low
Temperature, Applied Physics Express 4, 063003 (2011).
doi:10.1143/APEX.4.063003
- T. Arakawa, K. Sekiguchi, S. Nakamura, K. Chida, Y. Nishihara, D. Chiba,
K. Kobayashi, A. Fukushima, S. Yuasa, and T. Ono,
Sub-Poissonian shot
noise in CoFeB/MgO/CoFeB-based magnetic tunneling junctions, Applied
Physics Letters 98, 202103 (2011). doi:10.1063/1.3590921
- T. Koyama, D. Chiba, K. Ueda, H. Tanigawa, S. Fukami, T. Suzuki, N.
Ohshima, N. Ishiwata, Y. Nakatani, and T. Ono,
Magnetic field
insensitivity of magnetic domain wall velocity induced by electrical current
in Co/Ni nanowire, Applied Physics Letters 98, 192509
(2011). doi:10.1063/1.3590713
- T. Koyama, D. Chiba, K. Ueda, K. Kondou, H. Tanigawa, S. Fukami, T.
Suzuki, N. Ohshima, N. Ishiwata, Y. Nakatani, K. Kobayashi, and T. Ono,
Observation of the intrinsic pinning of a magnetic domain wall in a
ferromagnetic nanowire, Nature Materials 10, 194-197
(2011). doi:10.1038/nmat2961
- K. Ueda, D. Chiba, T. Koyama, G. Yamada, H. Tanigawa S. Fukami, T.
Suzuki, N. Ohshima, N. Ishiwata, Y. Nakatani, and T. Ono,
Current-induced domain wall motion in Co/Ni nano-wires with different Co
and Ni thicknesses, Journal of Physics: Conference Series
266, 012110 (2011). doi:10.1088/1742-6596/266/1/012110
∼ 2010 ∼
- D. Chiba, F. Matsukura, and H. Ohno,
Electrically Defined
Ferromagnetic Nanodots, Nano Letters 10, 4505-4508 (2010).
doi:10.1021/nl102379h
- K. Sekiguchi, K. Yamada, S. M. Seo, K. J. Lee, D. Chiba, K. Kobayashi,
and T. Ono,
Nonreciprocal emission of spin-wave packet in FeNi film,
Applied Physics Letters 97, 022508 (2010). doi:10.1063/1.3464569
- K. Tanabe, D. Chiba, and T. Ono ,
Electrical Detection of Magnetic
Vortex Chirality, Japanese Journal of Applied Physics 49,
078001 (2010). doi:10.1143/JJAP.49.078001
- D. Chiba, G. Yamada, T. Koyama, K. Ueda, H. Tanigawa, S. Fukami, T.
Suzuki, N. Ohshima, N. Ishiwata, Y. Nakatani, and T. Ono,
Control of
Multiple Magnetic Domain Walls by Current in a Co/Ni Nano-Wire,
Applied Physics Express 3, 073004 (2010). doi:10.1143/APEX.3.073004
(‘æ34‰ñ‰ž—p•¨—Šw‰ï˜_•¶Ü)<
>
- K. Sekiguchi, T. Arakawa, Y. Yamauchi, K. Chida, M. Yamada, H.
Takahashi, D. Chiba, K. Kobayashi, and T. Ono,
Observation of full shot
noise in CoFeB/MgO/CoFeB-based magnetic tunneling junctions, Applied
Physics Letters 96, 252504 (2010). doi:10.1063/1.3456548
- D. Chiba, Y. Nakatani, F. Matsukura, and H. Ohno,
Simulation of
magnetization switching by electric-field manipulation of magnetic
anisotropy, Applied Physics Letters 96, 192506 (2010).
doi:10.1063/1.3428959
- K. Nakano, D. Chiba, K. Sekiguchi, S. Kasai, N. Ohshima, K. Kobayashi,
and T. Ono,
Electrical Detection of Vortex Core Polarity in
Ferromagnetic Disk, Applied Physics Express 3, 053001
(2010). doi:10.1143/APEX.3.053001
- S. R. Dunsiger, J. P. Carlo, T. Goko, G. Nieuwenhuys, T. Prokscha, A.
Suter, E. Morenzoni, D. Chiba, Y. Nishitani, T. Tanikawa, F. Matsukura, H.
Ohno, J. Ohe, S. Maekawa, and Y. J. Uemura,
Spatially homogeneous
ferromagnetism of (Ga, Mn)As, Nature Materials 9, 299-303
(2010). doi:10.1038/nmat2715
- D. Chiba, A. Werpachowska, M. Endo, Y. Nishitani, F. Matsukura, T.
Dietl, and H. Ohno,
Anomalous Hall Effect in Field-Effect Structures of
(Ga,Mn)As, Physical Review Letters 104, 106601 (2010).
doi:10.1103/PhysRevLett.104.106601
- Y. Nishitani, D. Chiba, M. Endo, M. Sawicki, F. Matsukura, T. Dietl, and
H. Ohno,
Curie temperature versus hole concentration in field-effect
structures of Ga1−xMnxAs,
Physical Review B 81, 045208 (2010). doi:10.1103/PhysRevB.81.045208
- M. Endo, D. Chiba, H. Shimotani, F. Matsukura, Y. Iwasa, and H. Ohno,
Electric double layer transistor with a (Ga,Mn)As channel,
Applied Physics Letters 96, 022515 (2010). doi:10.1063/1.3277146
- M. Sawicki, D. Chiba, A. Korbecka, Y. Nishitani, J. A. Majewski, F.
Matsukura, T. Dietl, and H. Ohno,
Experimental probing of the interplay
between ferromagnetism and localization in (Ga,Mn)As, Nature
Physics 6, 22-25 (2010). doi:10.1038/nphys1455
∼ 2009 ∼
- H. Tanigawa, T. Koyama, G. Yamada, D. Chiba, S. Kasai, S. Fukami, T.
Suzuki, N. Ohshima1, N. Ishiwata, Y. Nakatani, and T. Ono,
Domain Wall
Motion Induced by Electric Current in a Perpendicularly Magnetized Co/Ni
Nano-Wire, Applied Physics Express 2, 053002 (2009).
doi:10.1143/APEX.2.053002
- Y. Nishitani, D. Chiba, F. Matsukura, and H. Ohno,
ac susceptibility
of (Ga,Mn)As probed by the anomalous Hall effect, Journal of Applied
Physics 105, 7C516 (2009). doi:10.1063/1.3072078
∼ 2008 ∼
- A. Tsukazaki, A. Ohtomo, D. Chiba, Y. Ohno, H. Ohno, and M. Kawasaki,
Low-temperature field-effect and magnetotransport properties in a ZnO
based heterostructure with atomic-layer-deposited gate dielectric,
Applied Physics Letters 93, 241905 (2008). doi:10.1063/1.3035844
- F. Matsukura, D. Chiba, and H. Ohno,
Spintronic Properties of
Ferromagnetic Semiconductors, Semiconductors and Semimetals
(SPINTRONICS) 82, 207-240 (2008). doi:10.1016/S0080-8784(08)00005-7
- D. Chiba, M. Sawicki, Y. Nishitani, Y. Nakatani, F. Matsukura, and H.
Ohno,
Magnetization vector manipulation by electric fields,
Nature 455, 515-518 (2008). doi:10.1038/nature07318
- Y. Pu, D. Chiba, F. Matsukura, H. Ohno, and J. Shi,
Mott Relation
for Anomalous Hall and Nernst Effects in
Ga1-xMnxAs Ferromagnetic Semiconductors,
Physical Review Letters 101, 117208 (2008). doi:10.1103/PhysRevLett.101.117208
- C. Gould, S. Mark, K. Pappert, R. G. Dengel, J. Wenisch, R. P. Campion ,
A. W. Rushforth, D. Chiba, Z. Li, X. Liu, W. Van Roy, H. Ohno, J. K.
Furdyna, B. Gallagher, K. Brunner, G. Schmidt, and L. W. Molenkamp,
An
extensive comparison of anisotropies in MBE grown (Ga, Mn)As material,
New Journal of Physics 10, 055007 (2008). doi:10.1088/1367-2630/10/5/055007
- T. Kita, D. Chiba, Y. Ohno, and H. Ohno,
Fabrication of a
few-electron In0.56Ga0.44As vertical quantum dot with
an Al2O3 gate insulator, Physica E
40, 1930-1932 (2008). doi:10.1016/j.physe.2007.08.140
- Y. Nishitani, D. Chiba, F. Matsukura, and H. Ohno,
Electrical Curie
temperature modulation in (Ga, Mn)As field-effect transistors with Mn
composition from 0.027 to 0.200, Journal of Applied Physics
103, 07D139 (2008). doi:10.1063/1.2838159
- D. Chiba, K. M. Yu, W. Walukiewicz, Y. Nishitani, F. Matsukura, and H.
Ohno,
Properties of Ga1-xMnxAs with
high x (>0.1), Journal of Applied Physics 103,
07D136 (2008). doi:10.1063/1.2837469
∼ 2007 ∼
- D. Chiba, Y. Nishitani, F. Matsukura, and H. Ohno,
Properties of
Ga1-xMnxAs with high Mn composition
(x>0.1), Applied Physics Letters 90, 122503 (2007).
doi:10.1063/1.2715095
- T. Kita, D. Chiba, Y. Ohno, and H. Ohno,
A few-electron vertical
In0.56Ga0.44As quantum dot with an insulating gate,
Applied Physics Letters 91, 232101 (2007). doi:10.1063/1.2818712
- M. Endo, D. Chiba, Y. Nishitani, F. Matsukura, and H. Ohno,
Channel
Thickness Dependence of the Magnetic Properties in (Ga, Mn)As FET
Structures, Journal of Superconductivity and Novel Magnetism
20, 409-411 (2007). doi:10.1007/s10948-007-0242-7
- D. Chiba, M. Yamanouchi, F. Matsukura, T. Dietl, and H. Ohno,
Domain
wall resistance in perpendicularly magnetized (Ga, Mn)As, Journal of
Magnetism and Magnetic Materials 310, 2078-2083 (2007). doi:10.1016/j.jmmm.2006.10.1119
- T. Kita, D. Chiba, Y. Ohno, and H. Ohno,
(In, Ga)As gated-vertical
quantum dot with an Al2O3 insulator, Applied
Physics Letters 90, 62102 (2007). doi:10.1063/1.2437060
- H. -J. Lee, D. Chiba, F. Matsukura, and H. Ohno,
Effect of substrate
temperature on the properties of heavily Mn-doped GaAs, Journal of
Crystal Growth 301-302, 264-267 (2007). doi:10.1016/j.jcrysgro.2006.11.155
- T. Yamada, D. Chiba, F. Matsukura, S. Yakata, and H. Ohno,
Magnetic
anisotropy in (Ga, Mn)As probed by magnetotransport measurements,
Physica Status Solidi (c) 3, 4086-4089 (2007). doi:10.1002/pssc.200672877
∼ 2006 ∼
- D. Chiba, F. Matsukura, and H. Ohno,
Electric-field control of
ferromagnetism in (Ga,Mn)As, Applied Physics Letters 89,
162505 (2006). doi:10.1063/1.2362971
- D. Chiba, F. Matsukura, and H. Ohno,
Electrical magnetization
reversal in ferromagnetic III-V semiconductors, Journal of Physics D:
Applied Physics 39, R215 (2006). doi:10.1088/0022-3727/39/13/R01
- M. Yamanouchi, D. Chiba, F. Matsukura, and H. Ohno,
Current-Assisted
Domain Wall Motion in Ferromagnetic Semiconductors, Japanese Journal
of Applied Physics 45, 3854-3859 (2006). doi:10.1143/JJAP.45.3854
- D. Chiba, T. Kita, F. Matsukura, and H. Ohno,
Pulse-width and
magnetic-field dependences of current-induced magnetization switching in a
(Ga, Mn)As magnetic tunnel junction, Journal of Applied Physics
99, 08G514 (2006). doi:10.1063/1.2170063
- D. Chiba, M. Yamanouchi, F. Matsukura, T. Dietl, and H. Ohno,
Domain-Wall Resistance in Ferromagnetic (Ga, Mn)As, Physical
Review Letters 96, 096602 (2006). doi:10.1103/PhysRevLett.96.096602
- M. Yamanouchi, D. Chiba, F. Matsukura, T. Dietl, and H. Ohno,
Velocity of Domain-Wall Motion Induced by Electrical Current in the
Ferromagnetic Semiconductor (Ga, Mn)As, Physical Review Letters
96, 096601 (2006). doi:10.1103/PhysRevLett.96.096601
∼ 2005 ∼
- Y. Sato, D. Chiba, F. Matsukura, and H. Ohno,
Effect of GaAs
Intermediary Layer Thickness on the Properties of (Ga,Mn)As Tri-Layer
Structures, Journal of Superconductivity: Incorporating Novel
Magnetism 18, 345-347 (2005). doi:10.1007/s10948-005-0008-z
∼ 2004 ∼
- D. Chiba, Y. Sato, T. Kita, F. Matsukura, and H. Ohno,
Current-Driven Magnetization Reversal in a Ferromagnetic Semiconductor
(Ga,Mn)As/GaAs/(Ga,Mn)As Tunnel Junction, Physical Review Letters
93, 216602 (2004). doi:10.1103/PhysRevLett.93.216602
- D. Chiba, M. Yamanouchi, F. Matsukura, and H. Ohno,
Control of
magnetization reversal in ferromagnetic semiconductors by electrical means,
Journal of Physics: Condensed Matter 16, S5693 (2004).
doi:10.1088/0953-8984/16/48/029
- M. Yamanouchi, D. Chiba, F. Matsukura, and H. Ohno,
Current-induced
domain-wall switching in a ferromagnetic semiconductor structure,
Nature 428, 539 (2004). doi:10.1038/nature02441
- F. Matsukura, M. Sawicki, T. Dietl, D. Chiba, and H.Ohno,
Magnetotransport properties of metallic (Ga, Mn)As films with
compressive and tensile strain, Physica E 21, 1032-1036
(2004). doi:10.1016/j.physe.2003.11.165
- D. Chiba, F. Matsukura, and H. Ohno,
Tunneling magnetoresistance in
(Ga, Mn)As-based heterostructures with a GaAs barrier, Physica E
21, 966-969 (2004). doi:10.1016/j.physe.2003.11.172
∼ 2000-2003 ∼
- J. H. Zhao, F. Matsukura, K. Takamura, D. Chiba, Y. Ohno, K. Ohtani, and
H. Ohno,
Zincblende CrSb/GaAs multilayer structures with
room-temperature ferromagnetism, Materials Science in Semiconductor
Processing 6, 507-509 (2003). doi:10.1016/j.mssp.2003.07.008
- D. Chiba, M. Yamanouch, F. Matsukura, and H. Ohno,
Electrical
Manipulation of Magnetization Reversal in a Ferromagnetic Semiconductor,
Science 301, 943-945 (2003). doi:10.1126/science.1086608
- D. Chiba, K. Takamura, F. Matsukura, and H.Ohno,
Effect of
low-temperature annealing on (Ga, Mn)As trilayer structures, Applied
Physics Letters 82, 3020 (2003). doi:10.1063/1.1571666
- D. Chiba, M. Yamanouchi, F. Matsukura, E. Abe, Y. Ohno, K. Ohtani, and
H. Ohno,
Electric Field Effect on the Magnetic Properties of III-V
Ferromagnetic Semiconductor (In, Mn)As and ((Al), Ga, Mn)As, Journal
of Superconductivity 16, 179-182 (2003). doi:10.1023/A:1023238229806
- F. Matsukura, D. Chiba, Y. Ohno, T. Dietl, and H. Ohno,
Spin degree
of freedom in ferromagnetic semiconductor heterostructures, Physica
E 16, 104-110 (2003). doi:10.1016/S1386-9477(02)00596-9
- K. Takamura, F. Matsukura, D. Chiba, and H. Ohno,
Magnetic
properties of (Al, Ga, Mn)As, Applied Physics Letters 81,
2590 (2002). doi:10.1063/1.1511540
- J.H. Zhao, F. Matsukura, E. Abe, D. Chiba, Y. Ohno, K. Takamura, and H.
Ohno,
Growth and properties of (Ga, Mn)As on Si (100) substrate,
Journal of Crystal Growth 237-239, 1349-1352 (2002).
doi:10.1016/S0022-0248(01)02181-9
- F. Matsukura, D. Chiba, T. Omiya, E. Abe, T. Dietl, Y. Ohno, K. Ohtani,
and H. Ohno,
Control of ferromagnetism in field-effect transistor of a
magnetic semiconductor, Physica E 12, 351-355 (2002).
doi:10.1016/S1386-9477(01)00275-2
- J. H. Zhao, F. Matsukura, K. Takamura, E. Abe, D. Chiba, and H. Ohno,
Room-temperature ferromagnetism in zincblende CrSb grown by molecular
beam epitaxy, Applied Physics Letters 79, 2776 (2001).
doi:10.1063/1.1413732
- D. Chiba, N. Akiba, F. Matsukura, Y. Ohno, and H. Ohno,
Properties
of (Ga,Mn)As/(Al,Ga)As/(Ga,Mn)As magnetic trilayer structures,
Physica E 10, 278-282 (2001). doi:10.1016/S1386-9477(01)00100-X
- H. Ohno, D. Chiba, F. Matsukura, T. Omiya, E. Abe, T. Dietl, Y. Ohno,
and K. Ohtani,
Electric-field control of ferromagnetism,
Nature 408, 944-946 (2000). doi:10.1038/35050040
- D. Chiba, N. Akiba, F. Matsukura, Y. Ohno, and H. Ohno,
Magnetoresistance effect and interlayer coupling of (Ga, Mn)As trilayer
structures, Applied Physics Letters 77, 1873 (2000).
doi:10.1063/1.1310626
- N. Akiba, D. Chiba, K. Nakata, F. Matsukura, Y. Ohno, and H. Ohno,
Spin-dependent scattering in semiconducting ferromagnetic (Ga,Mn)As
trilayer structures, Journal of Applied Physics 87, 6436
(2000). doi:10.1063/1.372730
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