@article{CTT100879789, author = {M. Kobayashi and N. H. D. Khang and T. Takeda and K. Araki and R. Okano and M. Suzuki and K. Kuroda and K. Yaji and K. Sugawara and S. Souma and K. Nakayama and K. Yamauchi and M. Kitamura and K. Horiba and A. Fujimori and T. Sato and S. Shin and M. Tanaka and P. N. Hai}, title = {Rhombic Fermi surfaces in a ferromagnetic MnGa thin film with perpendicular magnetic anisotropy}, journal = {Physical Review Materials}, year = 2022, } @article{CTT100844922, author = {Masaki Kobayashi and Le Duc Anh and Jan Minár and Walayat Khan and Stephan Borek and Pham Nam Hai and Yoshihisa Harada and Thorsten Schmitt and Masaharu Oshima and Atsushi Fujimori and Masaaki Tanaka and Vladimir N. Strocov}, title = {Minority-spin impurity band in n-type (In,Fe)As: A materials perspective for ferromagnetic semiconductors}, journal = {Physical Review B}, year = 2021, } @article{CTT100839855, author = {Yukiharu Takeda and Shinobu Ohya and Nam Hai Pham and Masaki Kobayashi and Yuji Saitoh and Hiroshi Yamagami and Masaaki Tanaka and Atsushi Fujimori}, title = {Direct observation of the magnetic ordering process in the ferromagnetic semiconductor Ga1−xMnxAs via soft x-ray magnetic circular dichroism}, journal = {Journal of Applied Physics}, year = 2020, } @article{CTT100816768, author = {Shoya Sakamoto and Le Duc Anh and Pham Nam Hai and Yukiharu Takeda and Masaki Kobayashi and Yuki K. Wakabayashi and Yosuke Nonaka and Keisuke Ikeda and Zhendong Chi and Yuxuan Wan and Masahiro Suzuki and Yuji Saitoh and Hiroshi Yamagami and Masaaki Tanaka and Atsushi Fujimori}, title = {Magnetization process of the insulating ferromagnetic semiconductor (Al,Fe)Sb}, journal = {Physical Review B}, year = 2020, } @article{CTT100757153, author = {Masaki Kobayashi and K. Yoshimatsu and Taichi Mitsuhashi and Miho Kitamura and Enju Sakai and Ryu Yukawa and Makoto Minohara and Atsushi Fujimori and Koji Horiba and Hiroshi Kumigashira}, title = {Emergence of Quantum Critical Behavior in Metallic Quantum-Well States of Strongly Correlated Oxides}, journal = {Scientific Reports}, year = 2017, } @article{CTT100711608, author = {S. Sakamoto and L. D. Anh and P. N. Hai and G. Shibata and Y. Takeda and M. Kobayashi and Y. Takahashi and T. Koide and M. Tanaka and A. Fujimori}, title = {Magnetization process of the n-type ferromagnetic semiconductor (In,Fe)As:Be studied by x-ray magnetic circular dichroism}, journal = {Phys. Rev. B}, year = 2016, } @article{CTT100686345, author = {Yusuke Hiraike and Makoto Saito and Hideharu Niwa and Masaki Kobayashi and Yoshihisa Harada and Masaharu Oshima and Jaehong Kim and Yuta Nabae and Masa-aki Kakimoto}, title = {Active site formation mechanism of carbon-based oxygen reduction catalysts derived from a hyperbranched iron phthalocyanine polymer}, journal = {Nanoscale Research Letters}, year = 2015, } @article{CTT100683359, author = {M. Kobayashi and L. D. Anh and P. N. Hai and Y. Takeda and S. Sakamoto and T. Kadono and T. Okane and Y. Saitoh and H. Yamagami and Y. Harada and M. Oshima and M. Tanaka and A. Fujimori}, title = {Spin and orbital magnetic moments of Fe in the n-type ferromagnetic semiconductor (In,Fe)As}, journal = {Applied Physics Letters}, year = 2014, } @article{CTT100672123, author = {M. Kobayashi and H. Niwa and Y. Takeda and A. Fujimori and Y. Senba and H. Ohashi and A. Tanaka and S. Ohya and P. N. Hai and M. Tanaka and Y Harada and M. Oshima}, title = {Electronic Excitations of a Magnetic Impurity State in the Diluted Magnetic Semiconductor (Ga,Mn)As}, journal = {PHYSICAL REVIEW LETTERS}, year = 2014, } @article{CTT100708383, author = {Masaki Kobayashi and Iriya Muneta and Thorsten Schmitt and Luc Patthey and Shinobu Ohya and Masaaki Tanaka and Masaharu Oshima and Vladimir N. Strocov}, title = {Digging up bulk band dispersion buried under a passivation layer}, journal = {Applied Physics Letters}, year = 2012, } @article{CTT100672152, author = {Y. Takeda and M. Kobayashi and T. Okane and T. Ohkochi and J. Okamoto and Y. Saitoh and K. Kobayashi and H. Yamagami and A. Fujimori and A. Tanaka and J. Okabayashi and M. Oshima and S. Ohya and P. N. Hai and M. Tanaka}, title = {Nature of Magnetic Coupling between Mn Ions in As-Grown Ga1-xMnxAs Studied by X-Ray Magnetic Circular Dichroism}, journal = {PHYSICAL REVIEW LETTERS}, year = 2008, } @inproceedings{CTT100910069, author = {M. Kobayashi and N. H. D. Khang and T. Takeda and K. Araki and R. Okano and M. Suzuki and K. Kuroda and K. Yaji and K. Sugawara and S. Souma and K. Nakayama and M. Kitamura and K. Horiba and A. Fujimori and T. Sato and S. Shin and M. Tanaka and Pham Nam Hai}, title = {Interface Topological States in a Bi/MnGa Heterostructure}, booktitle = {}, year = 2024, } @inproceedings{CTT100908552, author = {M. Kobayashi and K. Inagaki and P. N. Hai}, title = {Electronic Structure Study of Heterointerface between Topological Insulator and Ferromagnet by Angle-Resolve Photoemission Spectroscopy}, booktitle = {}, year = 2024, } @inproceedings{CTT100908550, author = {ファム ナムハイ and 宮本 泰敬 and 小林 正起}, title = {トポロジカル表面状態を用いるスピン軌道トルク磁気メモリの創製}, booktitle = {}, year = 2024, } @inproceedings{CTT100908981, author = {Masaki Kobayashi and Nguyen H. D. Khang and Takahito Takeda and Kohsei Araki and Ryo Okano and Masahiro Suzuki and Kenta Kuroda and Koichiro Yaji and Katsuaki Sugawara and Seigo Souma and Kosuke Nakayama and Miho Kitamura and Koji Horiba and Atsushi Fujimor and Takafumi Sato and Shik Shin and Masaaki Tanaka and Pham Nam Hai}, title = {Interface States between Topological Insulator Bi and Ferromagnet MnGa Observed by Angle-Resolved Photoemission Spectroscopy}, booktitle = {}, year = 2023, } @inproceedings{CTT100867441, author = {小林 正起 and N. H. D. Khang and 武田 崇仁 and 荒木 恒星 and 岡野 諒 and 鈴木 雅弘 and 黒田 健太 and 矢治 光一郎 and 菅原 克明 and 相馬 清吾 and 中山 耕輔 and 山内 邦彦 and 北村 未歩 and 堀場 弘司 and 藤森 淳 and 佐藤 宇史 and 辛 埴 and 田中 雅明 and P. N. Hai}, title = {L10-MnGa垂直直膜における電子状態観測}, booktitle = {}, year = 2022, } @inproceedings{CTT100867446, author = {小林 正起 and N. H. D. Khang and 武田 崇仁 and 荒木 恒星 and 岡野 諒 and 鈴木 雅弘 and 黒田 健太 and 矢治 光一郎 and 菅原 克明 and 相馬 清吾 and 中山 耕輔 and 山内 邦彦 and 北村 未歩 and 堀場 弘司 and 藤森 淳 and 佐藤 宇史 and 辛 埴 and 田中 雅明 and P. N. Hai}, title = {L10-MnGa 垂直直膜における電子状態観測}, booktitle = {}, year = 2022, } @inproceedings{CTT100862917, author = {Masaki Kobayashi and Le Duc Anh and Jan Minár and Walayat Khan and Stephan Borek and Pham Nam Hai and Yoshihisa Harada and Thorsten Schmitt and Masaharu Oshima and Atsushi Fujimori and Masaaki Tanaka and Vladimir N. Strocov}, title = {Minority-spin impurity band in n-type (In,Fe)As: A materials perspective for ferromagnetic semiconductors}, booktitle = {}, year = 2021, } @inproceedings{CTT100861517, author = {MASAKI KOBAYASHI and N. H. D. Khang and Takahito Takeda and Kohsei Araki and Ryo Okano and Masahiro Suzuki and Kenta Kuroda and Koichiro Yaji and Katsuaki Sugawara and Seigo Souma and Kosuke Nakayama and Miho Kitamura and Koji Horiba and Atsushi Fujimori and Takafumi Sato and Shik Shin and Masaaki Tanaka and Pham Nam Hai}, title = {Two-dimensional Electronic State in a Ferromagnetic L10 MnGa Thin Film with Perpendicular Magnetization}, booktitle = {}, year = 2021, } @inproceedings{CTT100845066, author = {ファム ナムハイ and 宮本 泰敬 and 小林 正起}, title = {トポロジカル表面状態を用いるスピン軌道トルク磁気メモリの創製}, booktitle = {}, year = 2020, } @inproceedings{CTT100819962, author = {Masaki Kobayashi and Le Duc Anh and Jan Minár and Walayat Khan and Pham Nam Hai and Yoshihisa Harada and Thorsten Schmitt and Atsushi Fujimori and Masaharu Oshima and Masaaki Tanaka and Vladimir N. Strocov}, title = {Unveiling the electronic band structure of n-type ferromagnetic semiconductor (In,Fe)As}, booktitle = {}, year = 2019, } @inproceedings{CTT100793368, author = {M. Kobayashi and L. D. Anh and P. N. Hai and H. Kiuchi and H. Niwa and J. Miyawaki and Y. Harada and T. Schmitt and A. Fujimori and V. N. Strocov and M. Oshima and M. Tanaka}, title = {Unveiling Origin of Ferromagnetism in Fe-Doped Ferromagnetic Semiconductor by Synchrotron Radiation Spectroscopy}, booktitle = {}, year = 2018, } @inproceedings{CTT100790813, author = {M. Kobayashi and L. D. Anh and P. N. Hai and H. Kiuchi and H. Niwa and J. Miyawaki and Y. Harada and T. Schmitt and A. Fujimori and V. N. Strocov and M. Oshima and M. Tanaka}, title = {Unveiling Origin of Ferromagnetism in Fe-Doped Ferromagnetic Semiconductor by Synchrotron Radiation Spectroscopy}, booktitle = {}, year = 2018, } @inproceedings{CTT100770510, author = {Shoya Sakamoto and Duc Anh Le and Nam Hai Pham and Yukiharu Takeda and Masaki Kobayashi and Ryosho Nakane and Yuki Wakabayashi and Yosuke Nonaka and Keisuke Ikeda and Zhendong Chi and Yuxuan Wan and Masahiro Suzuki and Yuji Saitoh and Hiroshi Yamagami and Masaaki Tanaka and Atsushi Fujimori}, title = {Magnetization process of the insulating ferromagnetic semiconductor (Al,Fe)Sb}, booktitle = {}, year = 2018, } @inproceedings{CTT100770509, author = {MASAKI KOBAYASHI and HISAO KIUCHI and HIDEHARU NIWA and JUN MIYAWAKI and ATSUSHI FUJIMORI and LE DUC ANH and PHAM NAM HAI and MASAAKI TANAKA and MASAHARU OSHIMA and YOSHIHISA HARADA}, title = {Effect of Be Doping on the Electronic Structure of n-Type Ferromagnetic Semiconductor (In,Fe)As}, booktitle = {}, year = 2018, } @inproceedings{CTT100758121, author = {小林正起 and Le Duc Anh and Pham Nam Hai and 原田慈久 and Thorsten Schmitt and 藤森 淳 and 田中雅明 and 尾嶋正治 and Vladimir N. Strocov}, title = {n型強磁性半導体(In,Fe)As:Beの価電子帯電子構造}, booktitle = {}, year = 2017, } @inproceedings{CTT100758120, author = {小林正起 and Le Duc Anh and Pham Nam Hai and 原田慈久 and Thorsten Schmitt and 藤森 淳 and 田中雅明 and 尾嶋正治 and Vladimir N. Strocov}, title = {n型強磁性半導体(In,Fe)As:Beの価電子帯電子構造}, booktitle = {}, year = 2017, } @inproceedings{CTT100758119, author = {小林 正起 and 木内 久雄 and 丹羽 秀治 and 宮脇 淳 and 藤森 淳 and Le Duc Anh and Pham Nam Hai and 田中 雅明 and 尾嶋正治 and 原田慈久}, title = {n型強磁性半導体(In,Fe)Asの電子構造に対するBe添加効果}, booktitle = {}, year = 2017, } @inproceedings{CTT100758116, author = {M. Kobayashi and L. D. Anh and P. N. Hai and Y. Harada and T. Schmitt and A. Fujimori and M. Tanaka and M. Oshima and V. N. Strocov}, title = {Valence-Band Electronic Structure of n-type Ferromagnetic Semiconductor (In,Fe)As}, booktitle = {}, year = 2017, } @inproceedings{CTT100758110, author = {MASAKI KOBAYASHI and LE DUC ANH and PHAM NAM HAI and YOSHIHISA HARADA and THORSTEN SCHMITT and ATSUSHI FUJIMORI and MASAAKI TANAKA and MASAHARU OSHIMA and VLADIMIR N. STROCOV}, title = {Electronic Structure of the p-type Ferromagnetic Semiconductor (Ga,Fe)Sb}, booktitle = {}, year = 2017, } @inproceedings{CTT100683376, author = {Shoya Sakamoto and Anh Le Duc and Hai Pham Nam and Goro Shibata and Yukio Takahashi and Yukiharu Takeda and Masaki Kobayashi and Tsuneharu Koide and Masaaki Tanaka and Atsushi Fujimori}, title = {Magnetization Process of the n-type Ferromagnetic Semiconductor (In,Fe)As:Be Studied by X-ray Magnetic Circular Dichroism}, booktitle = {}, year = 2014, } @inproceedings{CTT100672232, author = {S. Sakamoto and M. Kobayashi and G. Shibata and Y. Takahashi and A. Fujimori and T. Koide and Y. Takeda and Y. Saitoh and H. Yamagami and L. Duc Anh and P. N. Hai and M. Tanaka}, title = {XMCD measurements of ferromagnetic semiconductor (In,Fe)As}, booktitle = {}, year = 2013, } @inproceedings{CTT100672234, author = {坂本祥哉 and 小林正起 and 芝田悟朗 and 高橋文雄 and 藤森 淳 and 小出常晴 and 竹田幸治 and 山上浩志 and 斎藤祐児 and Le Duc Anh and Pham Nam Hai and 田中雅明}, title = {強磁性半導体(In,Fe)AsのXMCD測定}, booktitle = {}, year = 2013, } @inproceedings{CTT100672377, author = {竹田幸治 and 小林正起 and 岡根哲夫 and 大河内拓雄 and 岡本 淳 and 斎藤祐児 and 小林 啓介 and 山上浩志 and 藤森 淳 and 田中新 and 岡林潤 and 尾嶋正治 and 大矢忍 and ファム ナム ハイ and 田中雅明}, title = {Ga1-xMnxAsの内殻吸収磁気円二色性による磁気的相互作用の研究}, booktitle = {}, year = 2008, } @misc{CTT100886129, author = {レデゥックアイン and グエンタントゥ and 瀧口耕介 and 小林正起 and ファムナムハイ and 田中雅明}, title = {強磁性半導体ルネサンス -Fe添加III-V族強磁性半導体がもたらす新展開-}, year = 2023, }