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Engineered substrates for domain control in CrSe thin-film growth: single-domain formation on a lattice-matched YSZ(111) substrate
Yusuke Tajima, Junichi Shiogai, Masayuki Ochi, Kazutaka Kudo, Jobu Matsuno
Japanese Journal of Applied Physics 2025/06/01 Research paper (scientific journal)
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Stoichiometry control and epitaxial growth of AgCrSe2 thin films by pulsed-laser deposition
Yusuke Tajima, Kenshin Inamura, Sebun Masaki, Takumi Yamazaki, Takeshi Seki, Kazutaka Kudo, Jobu Matsuno, Junichi Shiogai
APL Materials 2025/06/01 Research paper (scientific journal)
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Effect of crystallinity on spin-orbit torque in 5d iridium oxide IrO2
Tetsuro Morimoto, Kohei Ueda, Junichi Shiogai, Takanori Kida, Masayuki Hagiwara, Jobu Matsuno
Physical Review Materials 2025/05/28 Research paper (scientific journal)
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A scaling relation of vortex-induced rectification effects in a superconducting thin-film heterostructure
Yusuke Kobayashi, Junichi Shiogai, Tsutomu Nojima, Jobu Matsuno
Communications Physics 2025/05/12 Research paper (scientific journal)
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Suppression of ferromagnetism in rippled La2/3Sr1/3MnO3 membrane with process-induced strain prepared by epitaxial lift-off technique
Kota Kanda, Ryuji Atsumi, Takamasa Usami, Takumi Yamazaki, Kohei Ueda, Takeshi Seki, Shigeki Miyasaka, Jobu Matsuno, Junichi Shiogai
APL Materials 2025/04/01 Research paper (scientific journal)
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Non-coplanar spin structure in a metallic thin film of triangular lattice antiferromagnet CrSe
Tajima, Y., Shiogai, J., Ueda, K., Suzaki, H., Takaki, K., Seki, T., Kudo, K., Matsuno, J.
APL Materials Vol. 12 No. 4 2024/04/01 Research paper (scientific journal)
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Impact of epitaxial strain relaxation on ferromagnetism in a freestanding La2 / 3Sr1 / 3MnO3 membrane
Ryuji Atsumi, Junichi Shiogai, Takumi Yamazaki, Takeshi Seki, Kohei Ueda, Jobu Matsuno
Japanese Journal of Applied Physics Vol. 62 No. 10 p. 100902-100902 2023/10/01 Research paper (scientific journal)
Publisher: IOP Publishing
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Variation of Landau level splitting in the Fermi level controlled Dirac metals (Eu,Gd) MnBi2
H. Sakai, K. Nakagawa, K. Tsuruda, J. Shiogai, K. Akiba, M. Tokunaga, S. Kimura, S. Awaji, A. Tsukazaki, H. Murakawa, N. Hanasaki
Physical Review B Vol. 108 No. 11 p. 115142-1-115142-7 2023/09/21 Research paper (scientific journal)
Publisher: American Physical Society (APS)
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Berry curvature contributions of kagome-lattice fragments in amorphous Fe–Sn thin films
Kohei Fujiwara, Yasuyuki Kato, Hitoshi Abe, Shun Noguchi, Junichi Shiogai, Yasuhiro Niwa, Hiroshi Kumigashira, Yukitoshi Motome, Atsushi Tsukazaki
Nature Communications Vol. 14 No. 1 2023/06/13 Research paper (scientific journal)
Publisher: Springer Science and Business Media LLC
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Superconducting FeSe membrane synthesized by etching of water-soluble Sr3Al2O6 layer
Junichi Shiogai, Atsushi Tsukazaki
Applied Physics Letters Vol. 122 No. 5 p. 052602-052602 2023/01/30 Research paper (scientific journal)
Publisher: AIP Publishing
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Electrical detection of domain evolution in magnetic Weyl semimetal Co3Sn2 S2 submicrometer-wide wire devices
Shiogai, J., Ikeda, J., Fujiwara, K., Seki, T., Takanashi, K., Tsukazaki, A.
Physical Review Materials Vol. 6 No. 11 p. 114203-1-114203-9 2022/11/30 Research paper (scientific journal)
Publisher: American Physical Society (APS)
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A large unidirectional magnetoresistance in Fe-Sn heterostructure devices
Junichi SHIOGAI, Kohei Fujiwara, Tsutomu Nojima, Atsushi TSUKAZAKI
Japanese Journal of Applied Physics Vol. 61 2022/06/23 Research paper (scientific journal)
Publisher: IOP Publishing
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L21 ordering of Co2FeSn thin films promoted by high-temperature annealing
Kohei Fujiwara, Koya Shibata, Shunsuke Nishimura, Junichi Shiogai, Atsushi Tsukazaki
AIP Advances Vol. 12 No. 6 p. 065030-065030 2022/06/01 Research paper (scientific journal)
Publisher: AIP Publishing
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Improvement of the detectivity in an Fe-Sn magnetic-field sensor with a large current injection
Junichi SHIOGAI, Zhenhu Jin, Yosuke Satake, Kohei Fujiwara, Atsushi TSUKAZAKI
Japanese Journal of Applied Physics Vol. 61 2021/12/24 Research paper (scientific journal)
Publisher: IOP Publishing
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Two-dimensionality of metallic surface conduction in Co3Sn2S2 thin films
Junya Ikeda, Kohei Fujiwara, Junichi Shiogai, Takeshi Seki, Kentaro Nomura, Koki Takanashi, Atsushi Tsukazaki
Communications Physics Vol. 4 No. 1 2021/12 Research paper (scientific journal)
Publisher: Springer Science and Business Media LLC
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Three-dimensional sensing of the magnetic-field vector by a compact planar-type Hall device
Junichi Shiogai, Kohei Fujiwara, Tsutomu Nojima, Atsushi Tsukazaki
COMMUNICATIONS MATERIALS Vol. 2 No. 1 2021/10 Research paper (scientific journal)
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Critical thickness for the emergence of Weyl features in Co3Sn2S2 thin films
Junya Ikeda, Kohei Fujiwara, Junichi Shiogai, Takeshi Seki, Kentaro Nomura, Koki Takanashi, Atsushi Tsukazaki
COMMUNICATIONS MATERIALS Vol. 2 No. 1 2021/02 Research paper (scientific journal)
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Robust perpendicular magnetic anisotropy of Co3Sn2S2 phase in sulfur deficient sputtered thin films
Junichi Shiogai, Junya Ikeda, Kohei Fujiwara, Takeshi Seki, Koki Takanashi, Atsushi Tsukazaki
PHYSICAL REVIEW MATERIALS Vol. 5 No. 2 2021/02 Research paper (scientific journal)
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Single-domain formation of SrMnBi2 films on polar LaAlO3 substrate
K. Takahashi, J. Shiogai, H. Inoue, S. Ito, S. Kimura, S. Awaji, A. Tsukazaki
AIP ADVANCES Vol. 10 No. 10 2020/10 Research paper (scientific journal)
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Tunneling mechanism in a (Ga,Mn)As/GaAs-based spin Esaki diode investigated by bias-dependent shot noise measurements
T. Arakawa, J. Shiogai, M. Maeda, M. Ciorga, M. Utz, D. Schuh, Y. Niimi, M. Kohda, J. Nitta, D. Bougeard, D. Weiss, K. Kobayashi
PHYSICAL REVIEW B Vol. 102 No. 4 2020/07 Research paper (scientific journal)
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Two-dimensional growth of conductive ultra-thin Sn films on insulating substrate with an Fe buffer layer
Dingheng Zheng, Junichi Shiogai, Hisashi Inoue, Seigo Souma, Takafumi Sato, Atsushi Tsukazaki
APL MATERIALS Vol. 8 No. 6 p. 061103-1-061103-7 2020/06 Research paper (scientific journal)
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Magnetic-field-induced topological phase transition in Fe-doped (Bi,Sb)(2)Se-3 heterostructures
Y. Satake, J. Shiogai, G. P. Mazur, S. Kimura, S. Awaji, K. Fujiwara, T. Nojima, K. Nomura, S. Souma, T. Sato, T. Dietl, A. Tsukazaki
PHYSICAL REVIEW MATERIALS Vol. 4 No. 4 2020/04 Research paper (scientific journal)
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Signature of band inversion in the perovskite thin-film alloys BaSn1-xPbxO3
Junichi Shiogai, Takumaru Chida, Kenichiro Hashimoto, Kohei Fujiwara, Takahiko Sasaki, Atsushi Tsukazaki
PHYSICAL REVIEW B Vol. 101 No. 12 2020/03 Research paper (scientific journal)
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Electrical detection of the antiferromagnetic transition in MnTiO3 ultrathin films by spin Hall magnetoresistance
Kei Miura, Kohei Fujiwara, Junichi Shiogai, Tsutomu Nojima, Atsushi Tsukazaki
JOURNAL OF APPLIED PHYSICS Vol. 127 No. 10 2020/03 Research paper (scientific journal)
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Ordering phenomena of spin trimers accompanied by a large geometrical Hall effect
Shang Gao, Max Hirschberger, Oksana Zaharko, Taro Nakajima, Takashi Kurumaji, Akiko Kikkawa, Junichi Shiogai, Atsushi Tsukazaki, Shojiro Kimura, Satoshi Awaji, Yasujiro Taguchi, Taka-hisa Arima, Yoshinori Tokura
PHYSICAL REVIEW B Vol. 100 No. 24 p. 241115-1-241115-6 2019/12 Research paper (scientific journal)
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Low-frequency noise measurements on Fe?Sn Hall sensors
Junichi Shiogai, Zhenhu Jin, Yosuke Satake, Kohei Fujiwara, Atsushi Tsukazaki
APPLIED PHYSICS EXPRESS Vol. 12 No. 12 2019/12 Research paper (scientific journal)
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Doping-induced enhancement of anomalous Hall coefficient in Fe-Sn nanocrystalline films for highly sensitive Hall sensors
Kohei Fujiwara, Yosuke Satake, Junichi Shiogai, Atsushi Tsukazaki
APL MATERIALS Vol. 7 No. 11 2019/11 Research paper (scientific journal)
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Ferromagnetic Co3Sn2S2 thin films fabricated by co-sputtering
Kohei Fujiwara, Junya Ikeda, Junichi Shiogai, Takeshi Seki, Koki Takanashi, Atsushi Tsukazaki
JAPANESE JOURNAL OF APPLIED PHYSICS Vol. 58 No. 5 2019/05 Research paper (scientific journal)
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Fe-Sn nanocrystalline films for flexible magnetic sensors with high thermal stability
Y. Satake, K. Fujiwara, J. Shiogai, T. Seki, A. Tsukazaki
SCIENTIFIC REPORTS Vol. 9 2019/03 Research paper (scientific journal)
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Thin-film stabilization of LiNbO3-type ZnSnO3 and MgSnO3 by molecular-beam epitaxy
Kohei Fujiwara, Hiroya Minato, Junichi Shiogai, Akihito Kumamoto, Naoya Shibata, Atsushi Tsukazaki
APL MATERIALS Vol. 7 No. 2 2019/02 Research paper (scientific journal)
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Giant thermoelectric power factor in ultrathin FeSe superconductor
Sunao Shimizu, Junichi Shiogai, Nayuta Takemori, Shiro Sakai, Hiroaki Ikeda, Ryotaro Arita, Tsutomu Nojima, Atsushi Tsukazaki, Yoshihiro Iwasa
NATURE COMMUNICATIONS Vol. 10 2019/02 Research paper (scientific journal)
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Pulsed-laser deposition of InSe thin films for the detection of thickness-dependent bandgap modification
Dingheng Zheng, Junichi Shiogai, Kohei Fujiwara, Atsushi Tsukazaki
APPLIED PHYSICS LETTERS Vol. 113 No. 25 2018/12 Research paper (scientific journal)
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Effect of the depletion region in topological insulator heterostructures for ambipolar field-effect transistors
Yosuke Satake, Junichi Shiogai, Kohei Fujiwara, Atsushi Tsukazaki
PHYSICAL REVIEW B Vol. 98 No. 12 2018/09 Research paper (scientific journal)
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Critical current enhancement driven by suppression of superconducting fluctuation in ion-gated ultrathin FeSe
T. Harada, J. Shiogai, T. Miyakawa, T. Nojima, A. Tsukazaki
SUPERCONDUCTOR SCIENCE & TECHNOLOGY Vol. 31 No. 5 2018/05 Research paper (scientific journal)
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Anisotropy of the upper critical field and its thickness dependence in superconducting FeSe electric-double-layer transistors
Junichi Shiogai, Shojiro Kimura, Satoshi Awaji, Tsutomu Nojima, Atsushi Tsukazaki
PHYSICAL REVIEW B Vol. 97 No. 17 2018/05 Research paper (scientific journal)
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Enhancement of superconducting transition temperature in FeSe electric-double-layer transistor with multivalent ionic liquids
Tomoki Miyakawa, Junichi Shiogai, Sunao Shimizu, Michio Matsumoto, Yukihiro Ito, Takayuki Harada, Kohei Fujiwara, Tsutomu Nojima, Yoshimitsu Itoh, Takuzo Aida, Yoshihiro Iwasa, Atsushi Tsukazaki
PHYSICAL REVIEW MATERIALS Vol. 2 No. 3 2018/03 Research paper (scientific journal)
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Spatial variation of dynamic nuclear spin polarization probed by the non-local Hanle effect
J. Shiogai, M. Ciorga, M. Utz, D. Schuh, M. Kohda, D. Bougeard, T. Nojima, D. Weiss, J. Nitta
APPLIED PHYSICS LETTERS Vol. 112 No. 13 2018/03 Research paper (scientific journal)
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Fermi-level tuning of the Dirac surface state in (Bi1-xSbx)(2)Se-3 thin films
Yosuke Satake, Junichi Shiogai, Daichi Takane, Keiko Yamada, Kohei Fujiwara, Seigo Souma, Takafumi Sato, Takashi Takahashi, Atsushi Tsukazaki
JOURNAL OF PHYSICS-CONDENSED MATTER Vol. 30 No. 8 2018/02 Research paper (scientific journal)
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Large magneto-thermopower in MnGe with topological spin texture
Y. Fujishiro, N. Kanazawa, T. Shimojima, A. Nakamura, K. Ishizaka, T. Koretsune, R. Arita, A. Miyake, H. Mitamura, K. Akiba, M. Tokunaga, J. Shiogai, S. Kimura, S. Awaji, A. Tsukazaki, A. Kikkawa, Y. Taguchi, Y. Tokura
NATURE COMMUNICATIONS Vol. 9 No. 1 2018/01 Research paper (scientific journal)
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Fabrication of tetragonal FeSe-FeS alloy films with high sulfur contents by alternate deposition
Kohei Fujiwara, Junichi Shiogai, Atsushi Tsukazaki
JAPANESE JOURNAL OF APPLIED PHYSICS Vol. 56 No. 10 2017/10 Research paper (scientific journal)
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Weak antilocalization induced by Rashba spin-orbit interaction in layered III-VI compound semiconductor GaSe thin films
Shoichi Takasuna, Junichi Shiogai, Shunichiro Matsuzaka, Makoto Kohda, Yutaka Oyama, Junsaku Nitta
PHYSICAL REVIEW B Vol. 96 No. 16 2017/10 Research paper (scientific journal)
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Enhanced electron mobility at the two-dimensional metallic surface of BaSnO3 electric-double-layer transistor at low temperatures
Kohei Fujiwara, Kazuki Nishihara, Junichi Shiogai, Atsushi Tsukazaki
APPLIED PHYSICS LETTERS Vol. 110 No. 20 2017/05 Research paper (scientific journal)
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Unified trend of superconducting transition temperature versus Hall coefficient for ultrathin FeSe films prepared on different oxide substrates
Junichi Shiogai, Tomoki Miyakawa, Yukihiro Ito, Tsutomu Nojima, Atsushi Tsukazaki
PHYSICAL REVIEW B Vol. 95 No. 11 2017/03 Research paper (scientific journal)
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High field-effect mobility at the (Sr,Ba)SnO3/BaSnO3 interface
Kohei Fujiwara, Kazuki Nishihara, Junichi Shiogai, Atsushi Tsukazaki
AIP ADVANCES Vol. 6 No. 8 2016/08 Research paper (scientific journal)
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Improvement of electron mobility in La: BaSnO3 thin films by insertion of an atomically flat insulating (Sr,Ba)SnO3 buffer layer
Junichi Shiogai, Kazuki Nishihara, Kazuhisa Sato, Atsushi Tsukazaki
AIP ADVANCES Vol. 6 No. 6 2016/06 Research paper (scientific journal)
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Electric-field-induced superconductivity in electrochemically etched ultrathin FeSe films on SrTiO3 and MgO
J. Shiogai, Y. Ito, T. Mitsuhashi, T. Nojima, A. Tsukazaki
NATURE PHYSICS Vol. 12 No. 1 p. 42-U71 2016/01 Research paper (scientific journal)
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Enhancement of electric field modulation of coercivity in Pt /Co/Al-O structures by tuning Co surface oxidation
Junichi Shiogai, Tatsuro Ohashi, Tim Yang, Makoto Kohda, Takeshi Seki, Koki Takanashi, Junsaku Nitta
JOURNAL OF PHYSICS D-APPLIED PHYSICS Vol. 49 No. 3 2016/01 Research paper (scientific journal)
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Quantum Hall effect in a bulk antiferromagnet EuMnBi2 with magnetically confined two-dimensional Dirac fermions
Hidetoshi Masuda, Hideaki Sakai, Masashi Tokunaga, Yuichi Yamasaki, Atsushi Miyake, Junichi Shiogai, Shintaro Nakamura, Satoshi Awaji, Atsushi Tsukazaki, Hironori Nakao, Youichi Murakami, Taka-hisa Arima, Yoshinori Tokura, Shintaro Ishiwata
SCIENCE ADVANCES Vol. 2 No. 1 2016/01 Research paper (scientific journal)
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Magnetic Field-Induced Insulator-Semimetal Transition in a Pyrochlore Nd2Ir2O7
K. Ueda, J. Fujioka, B. -J. Yang, J. Shiogai, A. Tsukazaki, S. Nakamura, S. Awaji, N. Nagaosa, Y. Tokura
PHYSICAL REVIEW LETTERS Vol. 115 No. 5 2015/07 Research paper (scientific journal)
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In-plane tunneling anisotropic magnetoresistance in (Ga,Mn)As/GaAs Esaki diodes in the regime of the excess current
J. Shiogai, M. Ciorga, M. Utz, D. Schuh, M. Kohda, D. Bougeard, T. Nojima, D. Weiss, J. Nitta
APPLIED PHYSICS LETTERS Vol. 106 No. 26 2015/06 Research paper (scientific journal)
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Comparison of electrical and optical detection of spin injection in L1(0)-FePt/MgO/GaAs hybrid structures
R. Ohsugi, J. Shiogai, Y. Kunihashi, M. Kohda, H. Sanada, T. Seki, M. Mizuguchi, H. Gotoh, K. Takanashi, J. Nitta
JOURNAL OF PHYSICS D-APPLIED PHYSICS Vol. 48 No. 16 2015/04 Research paper (scientific journal)
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Shot Noise Induced by Nonequilibrium Spin Accumulation
Tomonori Arakawa, Junichi Shiogai, Mariusz Ciorga, Martin Utz, Dieter Schuh, Makoto Kohda, Junsaku Nitta, Dominique Bougeard, Dieter Weiss, Teruo Ono, Kensuke Kobayashi
PHYSICAL REVIEW LETTERS Vol. 114 No. 1 2015/01 Research paper (scientific journal)
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All-electrical detection of spin Hall effect in semiconductors
Markus Ehlert, Cheng Song, Mariusz Ciorga, Thomas Hupfauer, Junichi Shiogai, Martin Utz, Dieter Schuh, Dominique Bougeard, Dieter Weiss
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS Vol. 251 No. 9 p. 1725-1735 2014/09 Research paper (scientific journal)
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Giant enhancement of spin detection sensitivity in (Ga,Mn)As/GaAs Esaki diodes
Junichi Shiogai, Mariusz Ciorga, Martin Utz, Dieter Schuh, Makoto Kohda, Dominique Bougeard, Tsutomu Nojima, Junsaku Nitta, Dieter Weiss
PHYSICAL REVIEW B Vol. 89 No. 8 2014/02 Research paper (scientific journal)
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Dynamic nuclear spin polarization in an all-semiconductor spin injection device with (Ga,Mn)As/n-GaAs spin Esaki diode
J. Shiogai, M. Ciorga, M. Utz, D. Schuh, T. Arakawa, M. Kohda, K. Kobayashi, T. Ono, W. Wegscheider, D. Weiss, J. Nitta
APPLIED PHYSICS LETTERS Vol. 101 No. 21 2012/11 Research paper (scientific journal)
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Magnitude and sign control of lithography-induced uniaxial anisotropy in ultrathin (Ga, Mn) As wires (vol 98, 083101, 2011)
J. Shiogai, D. Schuh, W. Wegscheider, M. Kohda, J. Nitta, D. Weiss
APPLIED PHYSICS LETTERS Vol. 98 No. 16 2011/04 Research paper (scientific journal)
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Magnitude and sign control of lithography-induced uniaxial anisotropy in ultra-thin (Ga,Mn)As wires
J. Shiogai, D. Schuh, W. Wegscheider, M. Kohda, J. Nitta, D. Weiss
APPLIED PHYSICS LETTERS Vol. 98 No. 8 2011/02 Research paper (scientific journal)
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Width and temperature dependence of lithography-induced magnetic anisotropy in (Ga,Mn)As wires
M. Kohda, J. Ogawa, J. Shiogai, F. Matsukura, Y. Ohno, H. Ohno, J. Nitta
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES Vol. 42 No. 10 p. 2685-2689 2010/09 Research paper (scientific journal)