Member

  • img_07
    Junichi Shiogai
    junichi.shiogai_@_imr.tohoku.ac.jp
    (Please remove "_".)
    TEL: +81-22-215-2089
    FAX: +81-22-215-2086
    Biography
    Mar. 2014Doc. Engineering, Tohoku University
    Apr. 2014-Assistant Prof. Institute for Materials Research

Research Interests
    Oxide electronics
    Electric field control of physical properties
    Spintronics


Selected papers

Superconductivity in ultra-thin FeSe film
img_07J. Shiogai, M. Ito, T. Mitsuhashi, T. Nojima, and A. Tsukazaki
Electric-field-induced superconductivity in electrochemically-etched ultrathin FeSe films on SrTiO3 and MgO
Nature Phys. 12, 42 (2016)


Spin shot noise
img_07Tomonori Arakawa, Junichi Shiogai, Mariusz Ciorga, Martin Utz, Dieter Schuh, Makoto Kohda, Junsaku Nitta, Dominique Bougeard, Dieter Weiss, Teruo Ono, and Kensuke Kobayashi
Shot Noise Induced by Nonequilibrium Spin Accumulation
Phys. Rev. Lett. 114, 016601 (2015)


Spin injection in semiconductor
img_07Junichi Shiogai, Mariusz Ciorga, Martin Utz, Dieter. Schuh, Makoto Kohda, Dominique Bougeard, Tsutomu Nojima, Junsaku Nitta, and Dieter Weiss
Giant enhancement of spin detection sensitivity in (Ga,Mn)As/GaAs Esaki diodes
Phys. Rev. B 89, 081307(R) (2014)



Publication lists

    2017

  1. Junichi Shiogai, Tomoki Miyakawa, Yukihiro Ito, Tsutomu Nojima, and Atsushi Tsukazaki
    Unified trend of superconducting transition temperature against Hall coefficient for ultrathin FeSe films prepared on different oxide substrates
    Phys. Rev. B 95, 115101 (2017)

  2. 2016

  3. K. Fujiwara, K. Nishihara, J. Shiogai, and A. Tsukazaki
    High field-effect mobility at the (Sr,Ba)SnO3/BaSnO3 interface
    AIP Advances 6, 085014 (2016) DOI: 10.1063/1.4961637

  4. Junichi Shiogai, Kazuki Nishihara, Kazuhisa Sato and Atsushi Tsukazaki
    Improvement of electron mobility in La:BaSnO3 thin films by insertion of an atomically flat insulating (Sr,Ba)SnO3 buffer layer
    AIP Advances 6, 065305 (2016) DOI: 10.1063/1.4953808

  5. H. Masuda, H. Sakai, M. Tokunaga,Y. Yamasaki, A. Miyake, J. Shiogai, S. Nakamura, S. Awaji, A. Tsukazaki, H. Nakao, Y. Murakami, T. -H. Arima, Y. Tokura, S. Ishiwata
    Quantum Hall effect in a bulk antiferromagnet EuMnBi2 with magnetically confined two-dimensional Dirac fermions
    Science Advances 2, e1501117 (2016) DOI: 10.1126/sciadv.1501117

  6. J. Shiogai, M. Ito, T. Mitsuhashi, T. Nojima, and A. Tsukazaki
    Electric-field-induced superconductivity in electrochemically-etched ultrathin FeSe films on SrTiO3 and MgO
    Nature Phys. 12, 42 (2016)

  7. 2015

  8. Junichi Shiogai, Tatsuro Ohashi, Tim Yang, Makoto Kohda, Takeshi Seki, Koki Takanashi, and Junsaku 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)

  9. K. Ueda, J. Fujioka, B.-J. Yang, J. Shiogai, A. Tsukazaki, S. Nakamura, S. Awaji, N. Nagaosa, and Y. Tokura
    Magnetic Field-Induced Insulator-Semimetal Transition in a Pyrochlore Nd2Ir2O7
    Phys. Rev. Lett. 115, 056402 (2015)

  10. 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)

  11. 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 Appl. Phys. 48 164003 (2015)

  12. Tomonori Arakawa, Junichi Shiogai, Mariusz Ciorga, Martin Utz, Dieter Schuh, Makoto Kohda, Junsaku Nitta, Dominique Bougeard, Dieter Weiss, Teruo Ono, and Kensuke Kobayashi
    Shot Noise Induced by Nonequilibrium Spin Accumulation
    Phys. Rev. Lett. 114, 016601 (2015)

  13. 2014

  14. Junichi Shiogai, Mariusz Ciorga, Martin Utz, Dieter. Schuh, Makoto Kohda, Dominique Bougeard, Tsutomu Nojima, Junsaku Nitta, and Dieter Weiss
    Giant enhancement of spin detection sensitivity in (Ga,Mn)As/GaAs Esaki diodes
    Phys. Rev. B 89, 081307(R) (2014)

  15. Markus Ehlert, Cheng Song, Mariusz Ciorga, Thomas Hupfauer, Junichi Shiogai, Martin Utz, Dieter Schuh, Dominique Bougeard, and Dieter Weiss
    All-electrical detection of spin Hall effect in semiconductors
    Phys. Status Solidi B 251, 1725 (2014) DOI: 10.1002/pssb.201350206 (2014)

  16. 2012

  17. 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)

  18. 2011

  19. J. Shiogai, D. Schuh, W. Wegscheider, M. Kohda, 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)

  20. 2010

  21. 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
    Physica E 42, 2685 (2010)