Institute of Scientific and Industrial Research, Osaka University

   Oiwa Laboratory


    2019

  • "Selective oxidation of the surface layer of bilayer WSe2 by laser heating"
    Hiroki Shioya, Kazuhito Tsukagoshi, Keiji Ueno and Akira Oiwa
    Japanese Journal of Applied Physics58, 120903 (2019). [link]

  • "Angular momentum transfer from photon polarization to an electron spin in a gate-defined quantum dot"
    Takafumi Fujita, Kazuhiro Morimoto, Haruki Kiyama, Giles Allison, Marcus Larsson, Arne Ludwig, Sascha R. Valentin, Andreas D. Wieck, Akira Oiwa & Seigo Tarucha
    Nature Communications 10, 2991 1-6 (2019). [link]

  • "Entropy production by thermodynamic currents in ambipolar conductors with identical spin dynamics characteristics between holes and electrons"
    Mst. Sanjida Aktar, Masamichi Sakai, Shigehiko Hasegawa, Osamu Nakamura, and Hiroyuki Awano
    Applied Physics Express 12, 053004 1-5 (2019). [link]

  • "Photogeneration of a single electron from a single Zeeman-resolved light-hole exciton with preserved angular momentum"
    K. Kuroyama, M. Larsson, C. Y. Chang, J. Muramoto, K. Heya, T. Fujita, G. Allison, S. R. Valentin, A. Ludwig, A. D. Wieck, S. Matsuo, A. Oiwa, and S. Tarucha
    Physical Review B 99, 085203-1 - 085203-5 (2019). [link]


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    2018

  • "Single-electron charge sensing in self-assembled quantum dots"
    Haruki Kiyama, Alexander Korsch, Naomi Nagai, Yasushi Kanai, Kazuhiko Matsumoto, Kazuhiko Hirakawa, and Akira Oiwa
    Scientific Reports 8, 13188-1 - 13188-6 (2018). [link]

  • "Poincare Interface: Quantum Interface from Single Photon Polarizations to Single Electron Spins"
    Akira Oiwa, Takafumi Fujita, Haruki Kiyama, Kazuyuki Kuroyama, Sadashige Matsuo, and Seigo Tarucha
    Japanese Jounral of Optics 47, 148-154 (2018).

  • "Resonant Hall effect under generation of a self-sustaining mode of spin current in nonmagnetic bipolar conductors with identical characters between holes and electrons"
    Masamichi Sakai, Hiraku Takao, Tomoyoshi Matsunaga, Makoto Nishimagi, Keitaro Iizasa, Takahito Sakuraba, Koji Higuchi, Akira Kitajima, Shigehiko Hasegawa, Osamu Nakamura, Yuichiro Kurokawa, and Hiroyuki Awano
    Japanese Journal of Applied Physics 57, 033001-1 - 033001-13 (2018).


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    2017

  • "Gate tunable parallel double quantum dots in InAs double-nanowire devices"
    S. Baba, S. Matsuo, H. Kamata, R. S. Deacon, A. Oiwa, K. Li, S. Jeppesen, L. Samuelson, H. Q. Xu, and S. Tarucha
    Applied Physics Letters 111, 233513 (2017).

  • "Single electron-photon pair creation from a single polarization-entangled photon pair"
    Kazuyuki Kuroyama, Marcus Larsson, Sadashige Matsuo, Takafumi Fujita, Sascha R. Valentin, Arne Ludwig, Andreas D. Wieck, Akira Oiwa, and Seigo Tarucha
    Scientific Reports 7, 16968 (2017).

  • "Spin conversion on the nanoscale"
    YoshiChika Otani, Masashi Shiraishi, Akira Oiwa, Eiji Saitoh, and Shuichi Murakami
    Nature Physics 13, 829–832 (2017).

  • "Design of bull's eye structures on gate-defined lateral quantum dots"
    Rio Fukai, Tomohiro Nakagawa, Haruki Kiyama and Akira Oiwa
    Japanese Journal of Applied Physics 56, 04CK04 (2017). [link]

  • "Conversion from Single Photon to Single Electron Spin Using Electrically Controllable Quantum Dots"
    Akira Oiwa, Takafumi Fujita, Haruki Kiyama, Giles Allison, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha
    Journal of the Physical Society of Japan 86, 011008 (2017).


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    2016

  • "Single-Shot Ternary Readout of Two-Electron Spin States in a Quantum Dot Using Spin Filtering by Quantum Hall Edge States"
    H. Kiyama, T. Nakajima, S. Teraoka, A. Oiwa, and S. Tarucha
    Physical Review Letters 117, 236802 (2016).

  • "Signatures of Hyperfine, Spin-Orbit, and Decoherence Effects in a Pauli Spin Blockade"
    T. Fujita, P. Stano, G. Allison, K. Morimoto, Y. Sato, M. Larsson, J.-H. Park, A. Ludwig, A. D. Wieck, A. Oiwa, and S. Tarucha
    Physical Review Letters 117, 206802 (2016).

  • "Growth evolution of γ’-Fe4N films on GaN(0001) and their interfacial structure"
    M. Kimura and S. Hasegawa
    Japanese Journal of Applied Physics 55, 05FD02 (2016).

  • "Structural and magnetic characterization of Sm-doped GaN grown by plasma-assisted molecular beam epitaxy"
    K. Dehara, Y. Miyazaki, and S. Hasegawa
    Japanese Journal of Applied Physics 55, 05FE03 (2016).

  • "Fluorescence Extended X-Ray Absorption Fine Structure Study on Local Structures of Rare-Earth-Doped InGaGdN"
    S. N. M. Tawil, S. Emura, D. Krishnamurthy, and H. Asahi
    Advanced Materials Research 1133, 429-433 (2016).

  • ”4π-periodic Josephson supercurrent in HgTe-based topological Josephson junctions"
    J. Wiedenmann, E. Bocquillon, R. S. Deacon, S. Hartinger, O. Herrmann, T. M. Klapwijk, L. Maier, C. Ames, C. Brüne, C. Gould, A. Oiwa, K. Ishibashi, S. Tarucha, H. Buhmann, and L. W. Molenkamp
    Nature communications 7, 10303 (2016).


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    2015

  • ”Hall resistivity and transverse magnetoresistivity generated in simultaneous presence of spinpolarized current and external magnetic field in a nonmagnetic bipolar conductor YH2"
    M. Sakai, H. Takao, T. Matsunaga, Y. Tanaka, T. Arai, S. Haruyama, T. Otomo, H. Hirama, T. Sakuraba, Z. Honda, K. Higuchi, A. Kitajima, A. Oshima, S. Hasegawa, and H. Awano
    Japanese Journal of Applied Physics 54, 013001 (2015).

  • ”Electron states of uniaxially strained graphene"
    H. Shioya, S. Russo, M. Yamamoto, M. F. Craciun, and S. Tarucha
    Nano Letters 15, 7943-7948 (2015).

  • ”Raising the metal-insulator transition temperature of VO2 thin films by surface adsorption of organic polar molecules"
    H. Shioya, Y. Shoji, N. Seiki, M. Nakano, T. Fukushima, and Y. Iwasa
    Applied Physics Express 8, 121101 (2015). SPOT LIGHTs

  • ”Superconducting transport in single and parallel double InAs quantum dot Josephson junctions with Nb-based superconducting electrodes"
    S. Baba, J. Sailer, R. S. Deacon, A. Oiwa, K. Shibata, K. Hirakawa, and S. Tarucha
    Appl. Phys. Lett. 107, 222602 (2015).

  • ”Cooper pair splitting in parallel quantum dot Josephson junctions"
    R. S. Deacon, A. Oiwa, J. Sailer, S. Baba, Y. Kanai, K. Shibata, K. Hirakawa, and S. Tarucha
    Nature Communications 6, 7446 (2015).

  • ”Spin-dependent current through a quantum dot from spin-polarized nonequilibrium quantum Hall edge channels"
    H. Kiyama, T. Nakajima, S. Teraoka, A. Oiwa, and S. Tarucha
    Phys. Rev. B 91, 155302 (2015).

  • ”Photoluminescence related to Gd3+:N-vacancy complex in GaN:Gd multi-quantum wells"
    M. Almokhtar, S. Emura, A. Koide, T. Fujikawa, and H. Asahi
    J. Alloys Comp. 628, 401-406 (2015).

  • ”Importance of structural distortions in enhancement of transition temperature in FeSe1−xTex superconductors"
    Kapil E. Ingle, K. R. Priolkar, Anand Pal, Rayees A. Zargar, V. P. S. Awana and S. Emura
    Supercond. Sci. Technol. 28, 015015 (2015).


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    2014

  • ”Structural and defect characterization of Gd-doped GaN films by X-ray diffraction and positron annihilation"
    A. Yabuuchi, N. Oshima, B. E. O'Rourke, R. Suzuki, K. Ito, S. Sano, K. Higashi, Y.-K. Zhou, and S. Hasegawa
    Journal of Physics: Conference Series 505, 012023 (2014).

  • ”Local Structural Distortions and Their Role in Superconductivity in SmFeAsO1−xFx Superconductors"
    K. Ingle, K. R. Priolkar, A. Pal, V. P. S. Awana, and S. Emura
    Superconductor Science and Technology 27, 075010 (2014).

  • ”XAFS Studies of Diluted Magnetic Semiconductor Mn-doped ZnSnAs2 Thin Films on InP Substrates"
    H. Oomae, H. Toyota, S. Emura, H. Asahi, and N. Uchitomi
    EPJ Web of Conferences 75, 09004 (2014).

  • ”Ferromagnetic interactions and martensitic transformation in Fe doped Ni-Mn-In shape memory alloys"
    D. N. Lobo, K. R. Priolkar, S. Emura, and A. K. Nigam
    Journal of Applied Physics 116, 183903 (2014).

  • ”Tuning the electrically evaluated electron Landé g factor in GaAs quantum dots and quantum wells of different well widths"
    G. Allison, T. Fujita, K. Morimoto, S. Teraoka, M. Larsson, H. Kiyama, A. Oiwa, S. Haffouz, D. G. Austing, A. Ludwig, A. D. Wieck, and S. Tarucha
    Phys. Rev. B 90, 235310 (2014).

  • ”Single photoelectron detection after selective excitation of electron heavy-hole and electron light-hole pairs in double quantum dots”
    K. Morimoto, T. Fujita, G. Allison, S. Teraoka, M. Larsson, H. Kiyama, S. Haffouz, D. G. Austing, A. Ludwig, A. D. Wieck, A. Oiwa, and S. Tarucha
    Phys. Rev. B 90, 085306 (2014).

  • "Electrically tunable spin filtering for electron tunneling between spin-resolved quantum Hall edge states and a quantum dot"
    H. Kiyama, T. Fujita, S. Teraoka, A. Oiwa, and S. Tarucha
    Applied Physics Letters 104, 263101 (2014).