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未来の技術を、
一つひとつ積み上げていく

未来の技術を一つひとつ積み上げていく

研究業績

  1. Manato Kawahara, Yuichiro Abe, Koki Takano, F. Joseph Heremans, Jun Ishihara, Sean E. Sullivan, Christian Vorwerk, Vrindaa Somjit, Christopher P. Anderson, Gary Wolfowicz, Makoto Kohda, Shunsuke Fukami, Giulia Galli, David D. Awschalom, Hideo Ohno, and Shun Kanai,
    Polarization-dependent photoluminescence of Ce-implanted MgO and MgAl2O4,
    Applied Physics Express 17, 072004 (2024). Spotlights
  2. Takeshi Odagawa, Sota Yamamoto, Chaoliang Zhang, Kazuki Koyama, Jun Ishihara, Giacomo Mariani, Yoji Kunihashi, Haruki Sanada, Junsaku Nitta, and Makoto Kohda,
    Enhanced interlayer electron transfer by surface treatments in mixed-dimensional van der Waals semiconductor heterostructures,
    APL Materials 12, 061120 (2024).
  3. Makoto Kohda, Takeshi Seki, Yasushi Yuminaka, Tetsuya Uemura, Keito Kikuchi, and Gian Salis,
    Perspective on spin-based wave-parallel computing,
    Applied Physics Letters 123, 190502 (2023). (Cover image)
  4. Jeongchun Ryu, Can Onur Avci, Moojune Song, Mantao Huang, Ryan Thompson, Jiseok Yang, San Ko, Shutaro Karube, Nobuki Tezuka, Makoto Kohda, Kab-Jin Kim, Geoffrey S. D. Beach, and Junsaku Nitta,
    Deterministic current-induced perpendicular switching in epitaxial Co/Pt layers without an external field,
    Advanced Functional Materials 2209693 (2023).
  5. Yoji Kunihashi, Yasushi Shinohara, Sho Hasegawa, Hiroyuki Nishinaka, Masahiro Yoshimoto, Katsuya Oguri, Hideki Gotoh, Makoto Kohda, Junsaku Nitta, and Haruki Sanada,
    Bismuth induced enhancement of Rashba spin–orbit interaction in GaAsBi/GaAs heterostructures,
    Applied Physics Letters 122, 182402 (2023).
  6. Shota Sato, Kyohei Sugaya, Koichi Nakanishi, Nobuhide Yokota, Makoto Kohda, and Ken Morita,
    Characterization of the out-of-plane Dresselhaus effective magnetic field in InGaAs/InAlAs (110) multiple quantum wells at room temperature,
    Japanese Journal of Applied Physics 62, 048001 (2023).
  7. Jun Ishihara, Takachika Mori, Takuya Suzuki, Sota Sato, Ken Morita, Makoto Kohda, Yuzo Ohno, and Kensuke Miyajima,
    Imprinting spatial helicity structure of vector vortex beam on spin texture in semiconductors,
    Physical Review Letters 130, 126701 (2023). Featured in Physics, Editors’ Suggestion
  8. Takahito Saito, Toshimichi Nishimura, Ju-Young Yoon, Jonas Kölzer, Daisuke Iizasa, Michael Kammermeier, Thomas Schäpers, Junsaku Nitta, and Makoto Kohda,
    Lifetime of spin-orbit induced spin textures in a semiconductor heterostructure probed by quantum corrections to conductivity,
    Physical Review Research 4, 043217 (2023).
  9. J. Y. Kim, M. Samiepour, E. Jackson, J. Ryu, D. Iizasa, T. Saito, M. Kohda, J. Nitta, H. E. Beere, D. A. Ritchie, and A. Hirohata,
    Development of an optically gated Fe/n-GaAs spin-polarized transistor,
    Physical Review B 106, 134404 (2022).
  10. Shutaro Karube, Takumi Hoshika, Chaoliang Zhang, Makoto Kohda, and Junsaku Nitta,
    Selective damping modulation in a synthetic antiferromagnet induced by spin–orbit torque,
    Applied Physics Express 15, 103001 (2022).
過去の研究業績（クリックで開く）
  1. Shutaro Karube, Takahiro Tanaka, Daichi Sugawara, Naohiro Kadoguchi, Makoto Kohda, and Junsaku Nitta,
    Observation of spin-splitter torque in collinear antiferromagnetic RuO2,
    Physical Review Letters 129, 137201 (2022).
  2. Jeongchun Ryu, Ryan Thompson, Jae Yeol Park, Seok-Jong Kim, Gaeun Choi, Jaimin Kang, Han Beom Jeong, Makoto Kohda, Jong Min Yuk, Junsaku Nitta, Kyung-Jin Lee, and Byong-Guk Park,
    Efficient spin–orbit torque in magnetic trilayers using all three polarizations of a spin current,
    Nature Electronics 5, 217 (2022).
  3. Junpei Sonehara, Michael Kammermeier, Dai Sato, Daisuke Iizasa, Ulrich Zülicke, Shutaro Karube, Junsaku Nitta, and Makoto Kohda,
    Anisotropic spin dynamics in semiconductor narrow wires from the interplay between spin-orbit interaction and planar magnetic field,
    Physical Review B 105, 094434 (2022).
  4. Ayuki Arikawa, Yasuhito Saito, Koichi Nakanishi, Shota Sato, Kyohei Sugaya, Nobuhide Yokota, Makoto Kohda, and Ken Morita,
    D’yakonov–Perel and Elliot–Yafet spin relaxation rates in InGaAs/InAlAs multiple quantum wells at room temperature,
    Applied Physics Express 15, 043001 (2022).
  5. Gaeun Choi, Jeongchun Ryu, Ryan Thompson, Jong-Guk Choi, Jimin Jeong, Sungjun Lee, Min-Gu Kang, Makoto Kohda, Junsaku Nitta, and Byong-Guk Park,
    Thickness dependence of spin–orbit torques in Pt/Co structures on epitaxial substrates,
    APL Materials 10, 011105 (2022).
  6. Michael Kammermeier, Takahito Saito, Daisuke Iizasa, Ulrich Zülicke, and Makoto Kohda,
    Reliable modeling of weak antilocalization for accurate spin-lifetime extraction,
    Physical Review B 104, 235430 (2021).
  7. Eito Asakura, Takeshi Odagawa, Masaki Suzuki, Shutaro Karube, Junsaku Nitta, and Makoto Kohda,
    Intravalley Scattering Probed by Excitation Energy Dependence of Valley Polarization in Monolayer MoS2,
    Journal of Physics D: Applied Physics 54, 485304 (2021).
  8. Koichi Nakanishi, Ayuki Arikawa, Yasuhito Saito, Daisuke Iizasa, Satoshi Iba, Yuzo Ohno, Nobuhide Yokota, Makoto Kohda, Yoshihiro Ishitani, and Ken Morita,
    Room-temperature spin–orbit magnetic fields in slightly misoriented (110) InGaAs/InAlAs multiple quantum wells,
    Applied Physics Letters 119, 032405 (2021).
  9. Takafumi Fujita, Ryota Hayashi, Makoto Kohda, Julian Ritzmann, Arne Ludwig, Junsaku Nitta, Andreas D. Wieck, and Akira Oiwa,
    Distinguishing persistent effects in an undoped GaAs/AlGaAs quantum well by top-gate-dependent illumination,
    Journal of Applied Physics 129, 234301 (2021).
  10. Toshimichi Nishimura, Kohei Yoshizumi, Takahito Saito, Daisuke Iizasa, Junsaku Nitta, and Makoto Kohda,
    Full spin-orbit coefficient in III-V semiconductor wires based on the anisotropy of weak localization under in-plane magnetic field,
    Physical Review B 103, 094412 (2021).
  11. Ye Du, Ryan Thompson, Makoto Kohda, and Junsaku Nitta,
    Origin of spin–orbit torque in single-layer CoFeB investigated via in-plane harmonic Hall measurements,
    AIP Advances 11, 025033 (2021).
  12. Ryan Thompson, Jeongchun Ryu, Gaeun Choi, Shutaro Karube, Makoto Kohda, Junsaku Nitta, and Byong-Guk Park,
    Anisotropic spin-orbit torque through crystal-orientation engineering in epitaxial Pt,
    Physical Review Applied 15, 014055 (2021).
  13. Daisuke Iizasa, Asuka Aoki, Takahito Saito, Junsaku Nitta, Gian Salis, and Makoto Kohda,
    Control of spin relaxation anisotropy by spin-orbit-coupled diffusive spin motion,
    Physical Review B 103, 024427 (2021).
  14. Ye Du, Shoma Arai, Shingo Kaneta-Takada, Le Duc Anh, Shutaro Karube, Makoto Kohda, Shinobu Ohya, and Junsaku Nitta,
    Room-temperature perpendicular magnetic anisotropy of Pt/Co/AlOx trilayers on SrTiO3 (001),
    AIP Advances 10, 105010 (2020).
  15. T. Arakawa, J. Shiogai, M. Maeda, M. Ciorga, M. Utz, D. Schuh, Y. Niimi, M. Kohda, J. Nitta, D. Bougeard, D. Weiss, and K. Kobayashi,
    Tunneling mechanism in a (Ga,Mn)As/GaAs based spin Esaki diode investigated by bias-dependent shot noise measurements,
    Physical Review B 102, 045308 (2020).
  16. Daisuke Iizasa, Makoto Kohda, Ulrich Zülicke, Junsaku Nitta, and Michael Kammermeier,
    Enhanced longevity of the spin helix in low-symmetry quantum wells,
    Physical Review B 101, 245417 (2020). Editors’ Suggestion
  17. Ryan Thompson, Jeongchun Ryu, Ye Du, Shutaro Karube, Makoto Kohda, and Junsaku Nitta,
    Current direction dependent spin Hall magnetoresistance in epitaxial Pt/Co bilayers on MgO(110),
    Physical Review B 101, 214415 (2020).
  18. Ye Du, Hiromu Gamou, Saburo Takahashi, Shutaro Karube, Makoto Kohda, and Junsaku Nitta,
    Disentanglement of spin-orbit Torques in Pt/Co bilayers with the presence of spin Hall effect and Rashba-Edelstein effect,
    Physical Review Applied 13, 054014 (2020).
  19. H. Shida, K. Kawaguchi, Y. Saito, I. Takazawa, T. Fukasawa, D. Iizasa, T. Saito, T. Kitada, Y. Ishitani, M. Kohda, and K. Morita,
    Spin–orbit parameters derivation using single-frequency analysis of InGaAs multiple quantum wells in transient spin dynamics regime,
    Journal of Applied Physics 127, 153901 (2020).
  20. Shutaro Karube, Nobuki Tezuka, Makoto Kohda, and Junsaku Nitta,
    Anomalous spin-orbit field via the Rashba-Edelstein effect at the W/Pt interface,
    Physical Review Applied 13, 024009 (2020).
  21. H. Sanada, A. M. Stramma, Y. Kunihashi, Y. Tanaka, H. Gotoh, K. Onomitsu, F. Tagarelli, M. Kohda, J. Nitta, and T. Sogawa,
    Spin accumulation in photo-induced potential dimples generated in semiconductors,
    Communications Physics 3, 11 (2020).
  22. Hiromu Gamou, Koki Shimose, Ryoto Enoki, Emi Minamitani, Akitoshi Shiotari, Yoshinori Kotani, Kentaro Toyoki, Tetsuya Nakamura, Yoshiaki Sugimoto, Makoto Kohda, Junsaku Nitta, and Shinji Miwa,
    Detection of spin transfer from metal to molecule by magnetoresistance measurement,
    Nano Letters 20, 75 (2020).
  23. Keita Nakagawara, Shinya Kasai, Jeongchun Ryu, Seiji Mitani, Luqiao Liu, Makoto Kohda, and Junsaku Nitta,
    Temperature-dependent spin Hall effect tunneling spectroscopy in platinum,
    Applied Physics Letters 115, 162403 (2019).
  24. K. Morita, A. Okumura, H. Takaiwa, I. Takazawa, T. Oda, T. Kitada, M. Kohda, and Y. Ishitani,
    Temperature and laser energy dependence of the electron g-factor in intrinsic InGaAs/InAlAs multiple quantum wells,
    Applied Physics Letters 115, 012404 (2019).
  25. Takahito Saito, Asuka Aoki, Junsaku Nitta, and Makoto Kohda,
    Simultaneous evaluation of drift- and diffusion-induced spin-orbit fields in a (001) GaAs/AlGaAs two-dimensional electron gas,
    Applied Physics Letters 115, 052402 (2019).
  26. Eito Asakura, Masaki Suzuki, Shutaro Karube, Junsaku Nitta, Kosuke Nagashio, and Makoto Kohda,
    Detection of both optical polarization and coherence transfers to excitonic valley states in CVD-grown monolayer MoS2,
    Applied Physics Express 12, 063005 (2019).
  27. Takumi Sato, Takeshi Seki, Makoto Kohda, Jeongchun Ryu, Hiromu Gamou, Shutaro Karube, Koki Takanashi, and Junsaku Nitta,
    Evaluation of spin–orbit torque in a L10-FePt single layer and a L10-FePt/Pt bilayer,
    Japanese Journal of Applied Physics 58, 060915 (2019). RAPID COMMUNICATION
  28. Hiromu Gamou, Ye Du, Makoto Kohda, and Junsaku Nitta,
    Enhancement of spin current generation in epitaxial α-Ta/CoFeB bilayer,
    Physical Review B 99, 184408 (2019).
  29. Jeongchun Ryu, Can Onur Avci, Shutaro Karube, Makoto Kohda, Geoffrey S. D. Beach, and Junsaku Nitta,
    Crystal orientation dependence of spin-orbit torques in Co/Pt bilayers,
    Applied Physics Letters 114, 142402 (2019).
  30. Makoto Kohda, Takanori Okayasu, and Junsaku Nitta,
    Spin-momentum locked spin manipulation in a two-dimensional Rashba system,
    Scientific Reports 9, 1909 (2019).
  31. Y. Tanaka, Y. Kunihashi, H. Sanada, H. Gotoh, K. Onomitsu, M. Kohda, J. Nitta, and T. Sogawa,
    Phase velocity of drifting spin wave packets in semiconductor two dimensional electron gas,
    Applied Physics Express 12, 013001 (2018).
  32. D. Iizasa, D. Sato, K. Morita, J. Nitta, and M. Kohda,
    Robustness of a persistent spin helix against a cubic Dresselhaus field in (001) and (110) oriented two-dimensional electron gases,
    Physical Review B 98, 165112 (2018).
  33. J. Shiogai, M. Ciorga, M. Utz, D. Schuh, M. Kohda, D. Bougeard, T. Nojima, D. Weiss, and J. Nitta,
    Spatial variation of dynamic nuclear spin polarization probed by the non-local Hanle effect,
    Applid Physics Letters 112, 132403 (2018). Editor’s pick
  34. M. Suzuki, M. Kohda, S. Takasuna, S. Matsuzaka, Y. Sato, T. Tanabe, Y. Oyama, and J. Nitta,
    Effect of optical waveguide on photoluminescence polarization in layered material GaSe with millimeter,
    Japanese Journal of Applied Physics, 57, 020308 (2018).
  35. Ryoto Enoki, Hiromu Gamou, Makoto Kohda, and Junsaku Nitta,
    Enhancement of spin-orbit interaction of Cu thin films by oxidation treatment,
    Applied Physics Express 11, 033001 (2018).
  36. 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).
  37. S. Takasuna, J. Shiogai, S. Matsuzaka, M. Kohda, Y. Oyama, and J. Nitta,
    Weak antilocalization induced by Rashba spin-orbit interaction in layered III-VI compound semiconductor GaSe thin films,
    Physical Review B 96, 161303(R) (2017). Rapid Communication
  38. Y. Kunihashi, H. Sanada, Y. Tanaka, H. Gotoh, K. Onomitsu, K. Nakagawara, M. Kohda, J. Nitta, and T. Sogawa,
    Drift-induced enhancement of cubic Dresselhaus spin-orbit interaction in a two-dimensional electron gas,
    Physical Review Letters 119, 187703 (2017).
  39. M. Kohda and G. Salis,
    Physics and application of persistent spin helix state in semiconductor heterostructures,
    Semiconductor Science and Technology 32, 073002 (2017). Topical Review
  40. H. Gamou, J. Ryu, M. Kohda, and J. Nitta,
    Different spin relaxation mechanisms between epitaxial and and polycrystalline Ta thin films,
    Applied Physics Express 10, 023003 (2017).
  41. 好田 誠,
    第9回固体におけるスピン現象の物理と応用に関する国際会議(PASPS9),
    固体物理 52(1), 41-46 (2017).
  42. Jeongchun Ryu, Makoto Kohda, and Junsaku Nitta,
    Observation of the D’yakonov-Perel’ spin relaxation in single-crystalline Pt thin films,
    Physical Review Letters 115, 256802 (2016).
  43. Takamasa Hirai, Tomohiro Koyama, Aya Obinata, Yuki Hibino, Kazumoto Miwa, Shimpei Ono, Makoto Kohda, and Daichi Chiba,
    Control of magnetic anisotropy in Pt/Co system using ionic liquid gating,
    Applied Physics Express 9, 063007 (2016).
  44. P. Altmann, F. G. G. Hernandez, G. J. Ferreira, M. Kohda, C. Reichl, W. Wegscheider, and G. Salis,
    Current-controlled spin precession of quasistationary electrons in a cubic spin-orbit field,
    Physical Review Letters 116, 196802 (2016).
  45. Rento Ohsugi, Yoji Kunihashi, Haruki Sanada, Makoto Kohda, Hideki Gotoh, Tetsuomi Sogawa, and Junsaku Nitta,
    Bias dependence of spin injection/transport properties of a perpendicularly magnetized FePt/MgO/GaAs structure,
    Applied Physics Express 9, 043002 (2016).
  46. Y. Kunihashi, H. Sanada, H. Gotoh, K. Onomitsu, M. Kohda, J. Nitta, and T. Sogawa,
    Drift transport of helical spin coherence with tailored spin-orbit interactions,
    Nature Communications 7, 10722 (2016).
  47. K. Yoshizumi, A. Sasaki, M. Kohda, and J. Nitta,
    Gate-controlled switching between persistent and inverse persistent spin helix states,
    Applied Physics Letters 108, 132402 (2016).
  48. P. Altmann, M. Kohda, C. Reichl, W. Wegscheider, and G. Salis,
    Transition of a two-dimensional spin mode to a helical state by lateral confinement,
    Physical Review B 92, 235304 (2015).
  49. M. Kohda, P. Altmann, D. Schuh, S. D. Ganichev, W. Wegscheider, and G. Salis,
    All-optical evaluation of spin-orbit interaction based on diffusive spin motion in a two dimensional electron gas,
    Applied Physics Letters 107, 172402 (2015).
  50. R. Kurosawa, K. Morita, M. Kohda, and Y. Ishitani,
    Effect of cubic Dresselhaus spin-orbit interaction in a persistent spin helix state including phonon scattering in semiconductor quantum wells,
    Applied Physics Letters 107, 182103 (2015).
  51. J. Shiogai, T. Ohashi, Tim Yang, M. Kohda, T. Seki, K. Takanashi, and J. Nitta,
    Enhancement of electric field modulation of coercivity in Pt /Co/Al-O structures by tuning Co surface oxidation,
    J. Phys. D: Appl. Phys. 49, 03LT01(2015).
  52. T. Yang, M. Kong, M. Kohda, T. Seki, K. Takanashi, and J. Nitta,
    Layer thickness dependence of spin orbit torques and fields in Pt/Co/AlO trilayer structures,
    Japanese Journal of Applied Physics 54, 04DM05 (2015).
  53. J. Shiogai, M. Ciorga, M. Utz, D. Schuh, M. Kohda, D. Bougeard, T. Nojima, D. Weiss, and J. Nitta,
    In-plane tunneling anisotropic magnetoresistance in (Ga,Mn)As/GaAs Esaki diodes in the regime of the excess current,
    Appl. Phys. Lett. 106, 262402 (2015).
  54. R. Ohsugi, J. Shiogai, Y. Kunihashi, M. Kohda, H. Sanada, T. Seki, M. Mizuguchi, H. Gotoh, K. Takanashi and J. Nitta,
    Comparison of electrical and optical detection of spin injection in L10-FePt / MgO / GaAs hybrid structures,
    J. Phys. D: Applied Physics 48, 164003 (2015).
  55. T. Yang, M. Kong, M. Kohda, T. Seki, K. Takanashi, and J. Nitta,
    Layer thickness dependence of spin orbit torques and fields in Pt/Co/AlO trilayer structures,
    Jpn. J. Appl. Phys. 54, 04DM05 (2015).
  56. T. Arakawa, J. Shiogai, M. Ciorga, M. Utz, D. Schuh, M. Kohda,J. Nitta, D. Bougeard, D. Weiss, T. Ono, and K. Kobayashi,
    Shot Noise Induced by Nonequilibrium Spin Accumulation,
    Phys. Rev. Lett. 114, 016601 (2015).
  57. A. Sasaki, S. Nonaka, Y. Kunihashi, M. Kohda, T. Bauernfeind, T. Dollinger, K. Richter, and J. Nitta,
    Direct determination of spin-orbit interaction coefficients and realization of the persistent spin helix symmetry,
    Nature Nanotechnology 13, 703 (2014).
  58. 好田 誠、眞田 治樹,
    スピン軌道相互作用の新展開,
    応用物理学会誌 83, (2014).
  59. Y. Saiga, K. Mizunuma, Y. Kono, J.-C. Ryu, H. Ono, M. Kohda, and E. Okuno,
    Platinum thickness dependence and annealing effect of the spin-Seebeck voltage in platinum/yttrium ion garnet structures,
    Applied Physics Express 7, 093001 (2014).
  60. T. Yang, Z.Q. Wang, M. Kohda, T. Seki, K. Taknashi, and J. Nitta,
    Perpendicular Magnetic Anisotropy in Pt/Co/AlO Trilayer Structures Depending on AlO Thickness and Fabrication Method,
    Key Engineering Materials 616, 247 (2014).
  61. T. Yang, M. Kohda, T. Seki, K. Takanashi, and J. Nitta,
    Platinum layer thickness dependence of spin-Hall induced effective field in Pt/Co/Pt structures,
    Jpn. J. of Appl. Phys. 53, 04EM06 (2014).
  62. J. Shiogai, M. Ciorga, M. Utz, D. Schuh, M. Kohda, D. Bougeard, T. Nojima, J. Nitta, and D. Weiss,
    Giant enhancement of spin detection sensitivity in (Ga,Mn)As/GaAs Esaki diodes,
    Phys. Rev. B 89, 081307(R) (2014). Rapid Communication
  63. Y. Nishihara, S. Nakamura, K. Kobayashi, T. Ono, M. Kohda, and J. Nitta,
    Shot Noise at the Quantum Point Contact in InGaAs Heterostructure,
    AIP Conference Proceedings 1566, 311 (2013).
  64. 好田 誠、国橋 要司、新田 淳作,
    半導体における永久スピン旋回状態のゲート制御,
    日本磁気学会　日本磁気学会誌　まぐね 8(5), 251-258 (2013).
  65. 好田 誠、大江 純一郎,
    半導体のスピン軌道相互作用を用いたシュテルン－ゲルラッハの実験,
    固体物理 48, (2013).
  66. Ahmet S. Demiray, Makoto Kohda, and Junsaku Nitta,
    Chirality determination of ferromagnetic disk by local Hall effect,
    Appl. Phys. Lett. 103, 122408 (2013).
  67. Y. Kikuchi, T. Seki, M. Kohda, J. Nitta, and K. Takanashi,
    Voltage-Induced Coercivity Change in FePt/MgO Stacks with Different FePt Thicknesses,
    Journal of Physics D 46, 285002 (2013).
  68. H. Sanada, Y. Kunihashi, H. Gotoh, M. Kohda, J. Nitta, P. V. Santos, and T. Sogawa,
    Manipulation of mobile spin coherence using magnetic-field-free electron spin resonance,
    Nature Physics 9, 280 (2013).
  69. M. Kohda, S. Iimori, R. Ohsugi, H. Naganuma, T. Miyazaki, Y. Ando, and J. Nitta,
    Structural and magnetic properties of L10-FePd/MgO films on GaAs and InP lattice mismatched substrates,
    Appl. Phys. Lett. 102, 102411 (2013).
  70. J. Shiogai, M. Ciorga, M. Utz, D. Schuh, T. Arakawa, M. Kohda, K. Kobayashi,T. Ono, W. Wegscheider, D. Weiss, and J. Nitta,
    Dynamic nuclear spin polarization in an all-semiconductor spin injection device with (Ga,Mn)As/n-GaAs spin Esaki diode,
    Appl. Phys. Lett. 101, 212402 (2012).
  71. M. Kohda, S. Nakamura, Y. Nishihara, K. KObayashi, T. Ono, J. Ohe, Y. Tokura, T. Mineno, and J. Nitta,
    Spin-orbit induced electronic spin separation in semiconductor nanostructure,
    Nature Communications 3, 1082 (2012).
  72. M. Kohda, V. Lechner, Y. Kunihashi, T. Dollinger, P. Olbrich, C. Schonhuber, I. Caspers, V. V. Bel’kov, L. E. Golub, D. Weiss, K. Richter, J. Nitta, and S. D. Ganichev,
    Gate-controlled persistent spin helix state in InGaAs quantum wells,
    Phys. Rev. B 86, 081306(R) (2012). Rapid Communication
  73. A. S. Demiray, M. Kohda, T. Miyawaki, Y. Watanabe, K. Saito, S. Mitani, K. Taknashi, and J. Nitta,
    Electrical determination of relative chirality in a Co/Cu/Co ferromagnetic ring,
    Appl. Phys. Lett. 101, 062409 (2012).
  74. Lihui Bai, N. Tezuka, M. Kohda, and J. Nitta,
    Anisotropy and Damping in CoFeAlSi via Electrical Detection of Ferromagnetic Resonance,
    Jpn. Appl. Phys. 51, 083001 (2012).
  75. Y. Nishihara, S. Nakamura, K. Kobayashi, T. Ono, M. Kohda, and J. Nitta,
    Shot noise suppression in InGaAs/InGaAsP quantum channels,
    Appl. Phys. Lett. 100, 203111 (2012).
  76. S. Nonaka, Y. Kunihashi, M. Kohda, and J. Nitta,
    Anisotropic Weak Anti-Localization under In-Plane Magnetic Field and Control of Dimensionality via Spin Precesssion Length,
    Jpn. J. Appl. Phys. 51, 04DM01 (2012).
  77. A. S. Demiray, T. Miyawaki, Y. Watanabe, M. Kohda, K. Saito, S. Mitani, K. Takanashi, and J. Nitta,
    Relative Vortex State Control in a Co/Cu/Co Pseudo-Spin-Valve Ring,
    Jpn. Appl. Phys. 51, 04DM04 (2012).
  78. Y. Kunihashi, M. Kohda, H. Sanada, H. Gotoh, T. Sogawa, and J. Nitta,
    Proposal of spin complementary field effect transistor,
    Appl. Phys. Lett. 100, 113502 (2012).
  79. R. Ohsugi, M. Kohda, T. Seki, A. Ohtsu, M. Mizuguchi, K. Takanaishi, and J. Nitta,
    MgO Layer Thickness Dependence of Structure and Magnetic Properties of L10-FePt/MgO/GaAs Structures,
    Jpn. J. of Appl. Phys. 51, 02BM05 (2012).
  80. F. Nagasawa, J. Takagi, Y. Kunihashi, M. Kohda, and J. Nitta
    Experimental Demonstration of Spin Geometric Phase: Radius Dependence of Time-Reversal Aharonov-Casher Oscillations,
    Phys. Rev. Lett. 108, 086801 (2012).
  81. Y. Kunihashi, M. Kohda, and J. Nitta,
    Semiclassical approach for spin dephasing in a quasi-one-dimensional channel,
    Physical Review B 85, 035321 (2012).
  82. J. Nitta, S. Moulis, and M. Kohda,
    Anisotropic spin transport affected by competition between spin orbit interaction and Zeeman,
    J. of Phys.: Conference Series 334, 012062 (2011).
  83. J. Nitta, J. Takagi, F. Nagasawa, and M. Kohda,
    Suppression of Aharonov-Casher spin interference in an InGaAs ring array,
    J. of Phys.: Conference Series 302, 012002 (2011).
  84. T. Seki, M. Kohda, J. Nitta, and K. Takanashi,
    Coercivity change in an FePt thin layer in a Hall device by voltage application,
    Appl. Phys. Lett. 98, 212505 (2011).
  85. H. Sanada, T. Sogawa, H. Gotoh, K. Onomitsu, M. Kohda, J. Nitta, and P.V. Santos,
    Acoustically Induced Spin-Orbit Interactions Revealed by Two-Dimensional Imaging of Spin Transport in GaAs,
    Phys. Rev. Lett. 106, 216602 (2011).
  86. Lihui Bai, M. Kohda, and J. Nitta,
    Observation of spin wave modes depending on a tunable periodic magnetic field,
    Appl. Phys. Lett. 98, 172508 (2011).
  87. J. Shiogai, D. Schuh, W. Wegscheider, M. Kohda, and J. Nitta, and D. Weiss,
    Magnitude and sign control of lithography-induced uniaxial anisotropy in ultra-thin (Ga,Mn)As wires,
    Appl. Phys. Lett. 98, 083101 (2011).
  88. L. H. Bai, M. Kohda, and J. Nitta,
    Electrical detection of propagating spin waves controlled by a local magnetic field induced by a DC current,
    Jpn. J. Appl. Phys. 49, 04DM01 (2010).
  89. M. Kohda, T. Shibata, and J. Nitta,
    Spin-orbit interaction in an InGaAs shallow two-dimensional elecron gas located 5 nm below InP surface barrier,
    Jpn. J. Appl. Phys. 49, 4DM02 (2010).
  90. M. Kohda and J. Nitta,
    Enhancement of spin-orbit interaction and the effect of interface diffusion in quaternary InGaAsP/InGaAs heterostructures,
    Phys. Rev. B 81, 115118 (2010).
  91. J. Takagi, M. Kohda, and J. Nitta,
    Electrical spin manipulation with Al2O3 gate insulator in InGaAs based mesoscopic ring arrays,
    Phys. Proc. 3, 1317 (2010).
  92. Y. Kunihashi, M. Kohda, and J. Nitta,
    Experimental demonstration of resonant spin-orbit interaction effect,
    Phys. Proc. 3, 1261 (2010).
  93. Y. Kunihashi, M. Kohda, and J. Nitta,
    Anisotropic spin splitting in InGaAs wire structures,
    Phys. Proc. 3, 1255 (2010).
  94. M. Kohda, J. Ogawa, J. Shiogai, F. Matsukura, Y. Ohno, H. Ohno, and J. Nitta,
    Width and temperature dependence of lithography-induced magnetic anisotropy in (Ga,Mn)As wires,
    Physica E 42, 2685 (2010).
  95. M. Kohda, J. Ohe, H. Sanada, M. Yamamoto, T. Ohtsuki, and J. Nitta,
    Proposal for electrical detection of spin separation with in-plane magnetic field in mesoscopic Stern-Gerlach spin filter,
    Proc. SPIE 76, 76001B (2010).
  96. Y. Kunihashi, M. Kohda, and J. Nitta,
    Enhancement of Rashba Spin-Orbit Interaction Due to Wave Function Engineering,
    Journal of Superconductivity and Novel Magnetism 23(1), 49 (2010).
  97. 新田 淳作、好田 誠、国橋 要司,
    半導体中のスピン寿命の増大に成功,
    電子情報通信学会誌 92(10), 899-900 (2009).
  98. J. Nitta, M. Kohda, and T. Bergsten,
    Electronic Aharonov-Casher Effect in InGaAs Ring Arrays,
    Proceedings of the 9th International Symposium on Foundation of Quantum Mechanics in the Light of New Technology, 105 (2009).
  99. Y. Kunihashi, M. Kohda, and J. Nitta,
    Enhancement of Spin Lifetime in Gate-Fitted InGaAs Narrow Wires,
    Phys. Rev. Lett. 102, 226601 (2009).
  100. J. Nitta, T. Bergsten, Y. Kunihashi, and M. Kohda,
    Electrical Manipulation of Spins in the Rashba Two Dimensional Electron Gas Systems,
    Journal of Applied Physics 105, 122402 (2009).
  101. M. Scheid, M. Kohda, Y. Kunihashi, K. Richter, and J. Nitta,
    All-Electrical Detection of the Relative Strength of Rashba and Dresselhaus Spin-Orbit Interaction in Quantum Wires,
    Phys. Rev. Lett. 101, 266401 (2008).
  102. M. Kohda, J. Takagi, and J. Nitta,
    Comparison of gate sensitivity for spin interference effect between Al2O3 and SiO2 gate insulators,
    ECS Transactions 16, 39 (2008).
  103. T. Miyawaki, K. Toyoda, M. Kohda, A. Fujita, and J. Nitta,
    Effect of the array distance on the magntization configuration of submicron-sized ferromagnetic rings,
    Proceedings of the international Symposium on Mesoscopic Superconductivity and Spintronics, 271 (2008).
  104. M. Kohda, A. Ohtsu, T. Seki, A. Fujita, J. Nitta, S. Mitani, and K. Takanashi,
    High remanent magnetization of L10-ordered FePt thin film on MgO / (001) GaAs,
    Japanese Journal of Applied Physics 47(4), 3269 (2008).
  105. Makoto Kohda, Tobias Bergsten, and Junsaku Nitta,
    Manipulating spin orbit interaction in semiconductors,
    Journal of the Physics Society of Japan 77(3), 031008 (2008).
  106. M. Kohda, T. Nihei, and J. Nitta,
    Quantum well thickness dependence of spin orbit interaction in a gated InP / In0.8Ga0.2As / In0.52Al0.48As asymmetric quantum wells,
    Physica E 40(5), 1194 (2008).
  107. M. Kohda, K. Toyoda, T. Miyawaki, A. Fujita, and J. Nitta,
    Suppresion of stray field between adjacent rings in one-dimensional ferromagnetic arrays,
    J. Appl. Phys. 103, 07A714 (2008).
  108. Y. Kunihashi, T. Nihei, M. Kohda, and J. Nitta,
    Rashba spin-orbit interaction of In0.53Ga0.47As/In0.7Ga0.3As/In0.53Ga0.47As shallow two-dimensional electron gas by surface etching,
    Physica Status Solidi C 5, 322 (2008).
  109. T. Miyawaki, M. Kohda, A. Fujita, and J. Nitta,
    Local Hall measurement of magnetization reversal and magnetic interaction in Fe/Au/Fe trilayer rings,
    Phys. Stat. Sol. C 5(1), 294 (2008).
  110. T. Miyawaki, M. Kohda, A. Fujita, and J. Nitta,
    Control of interlayer magnetostatic coupling in submicron-sized Fe/Au/Fe rings,
    Appl. Phys. Lett. 92, 32502 (2008).
  111. M. Kohda, K. Takagi, T. Miyawaki, K. Toyoda, A. Fujita, and J. Nitta,
    Lateral and Vertical Magnetic Interaction in Submicron-Sized Fe Ring Arrays and Fe/Au/Fe Trilayer Ring Structures,
    Jpn. J. Appl. Phys. 46(4B), 2164 (2007).
  112. M. Abe, M. Kohda, and J. Nitta,
    Magnetoresistance oscillations induced by spin orbit interaction and intersubband scattering in a gated InP/InGaAs heterostructure,
    Phys. Stat. Sol. C 3(12), 4243 (2006).
  113. T. Nihei, Y. Suzuki, M. Kohda, and J. Nitta,
    Gate controlled crossover from weak localization to weak antilocalization in a narrow gap InGaAs/InP heterostructure,
    Phys. Stat. Sol. C 3(12) 4239 (2006).
  114. T. Kita, M. Kohda, Y. Ohno, F. Matsukura, and H. Ohno,
    Spin injection with three terminal device based on (Ga,Mn)As / n+-GaAs tunnel junction,
    Physica Status Solidi C 3(12), 4164 (2006).
  115. T. Miyawaki, T. Toyoda, M. Kohda, A. Fujita, and J. Nitta,
    Magnetic interaction of submicron-sized ferromagnetic rings in one-demensional array,
    Appl. Phys. Lett. 89, 122508 (2006).
  116. Makoto Kohda, Tomohiro Kita, Yuzo Ohno, F. Matsukura, and Hideo Ohno,
    Bias voltage dependence of the electron spin injection studied by in a three-terminal device based on GaMnAs / n+-GaAs Esaki diode,
    Appl. Phys. Lett. 89, 012103 (2006).
  117. Makoto Kohda, Yuzo Ohno, Fumihiro Matsukura, and Hideo Ohno,
    Effect of n+-GaAs thickness and doping density on spin injection of GaMnAs / n+-GaAs Esaki tunnel junction,
    Physica E 32, 438 (2006).
  118. M. Kohda, Y. Ohno, K. Takamura, F. Matsukura and H. Ohno,
    Electrical electron spin injection with a p+-GaMnAs/n+-GaAs tunnel junction,
    Journal of Superconductivity 16(1), 167 (2003).
  119. M. Kohda, Y. Ohno, K. Takamura, F. Matsukura and H. Ohno,
    A spin Esaki diode,
    Jpn. J. Appl. Phys. Express letter 40(12A), 1274 (2001).

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