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Hai}, title = {Rhombic Fermi surfaces in a ferromagnetic MnGa thin film with perpendicular magnetic anisotropy}, journal = {Physical Review Materials}, year = 2022, } @article{CTT100864948, author = {Takurou Fukasawa and Shotaro Kusaka and Kazuki Sumida and Mizuki Hashizume and Satoru Ichinokura and Yukiharu Takeda and Shinichiro Ideta and Kiyoharu Tanaka and Ryota Shimizu and Taro Hitosugi and Toru Hirahara}, title = {Absence of ferromagnetism in MnBi2Te4/Bi2Te3 down to 6 K}, 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{CTT100800481, author = {Shoya Sakamoto and Nguyen Thanh Tu and Yukiharu Takeda and Shin-ichi Fujimori and Pham Nam Hai and Le Duc Anh and Yuki K. Wakabayashi and Goro Shibata and Masafumi Horio and Keisuke Ikeda and Yuji Saitoh and Hiroshi Yamagami and Masaaki Tanaka and Atsushi Fujimori}, title = {Electronic structure of the high- TC ferromagnetic semiconductor (Ga,Fe)Sb: X-ray magnetic circular dichroism and resonance photoemission spectroscopy studies}, journal = {Physical Review B}, year = 2019, } @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{CTT100697191, author = {Keisuke Ishigami and Kohei Yoshimatsu and Daisuke Toyota and Takizawa Masaru and Teppei Yoshida and Goro Shibata and Takayuki Harano and Yukio Takahashi and Toshiharu Kadono and V. K. Verma and V. R. Singh and Yukiharu Takeda and Tetsuo Okane and Yuji Saitoh and Hiroshi Yamagami and Tsuneharu Koide and Msaharu Oshima and Hiroshi Kumigashira and Atushi. Fujimori}, title = {Thickness-dependent magnetic properties and strain-induced orbital magnetic momentin SrRuO3 thin films}, journal = {PHYSICAL REVIEW B}, 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{CTT100674615, author = {G. Shibata and K. Yoshimatsu and Enju Sakai and V. R. Singh and V. K. Verma and Keisuke Ishigami and Takayuki Harano and Toshiharu Kadono and Yukiharu Takeda and Tetsuo Okane and Yuji Saitoh and Hiroshi Yamagami and Akihito Sawa and Hiroshi Kumigashira and Masaharu Oshima and Tsuneharu Koide and Atsushi Fujimori}, title = {Thickness-dependent ferromagnetic metal to paramagnetic insulator transition in La0.6Sr0.4MnO3 thin films studied by x-ray magnetic circular dichroism}, journal = {Physical Review B}, year = 2014, } @article{CTT100708380, author = {Masaki Kobayashi and Iriya Muneta and Yukiharu Takeda and Yoshihisa Harada and Atsushi Fujimori and Juraj Krempaský and Thorsten Schmitt and Shinobu Ohya and Masaaki Tanaka and Masaharu Oshima and Vladimir N. Strocov}, title = {Unveiling the impurity band induced ferromagnetism in the magnetic semiconductor (Ga,Mn)As}, journal = {Physical Review B}, year = 2014, } @article{CTT100668379, author = {Hajime Hojo and Koji Fujita and Hidekazu Ikeno and Teruyasu Mizoguchi and Isao Tanaka and Tetsuya Nakamura and Yukiharu Takeda and Ttetsuo Okane and Katsuhisa Tanaka}, title = {Magnetic structures of FeTiO3-Fe2O3 solid solution thin films studied by soft X-ray magnetic circular dichroism and ab initio multiplet calculations}, 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{CTT100668065, author = {V. R. Singh and V. K. Verma and K. Ishigami and G. Shibata and Y. Yamazaki and A. Fujimori and Yukiharu Takeda and Tetsuo Okane and Yuji Saitoh and Hiroshi Yamagami and Y. Nakamura and M. Azuma and Y. Shimakawa}, title = {Enhanced ferromagnetic moment in Co-doped BiFeO3 thin films studied by soft x-ray circular dichroism}, journal = {JOURNAL OF APPLIED PHYSICS}, year = 2013, } @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{CTT100837760, author = {深澤拓朗 and 日下翔太郎 and 角田一樹 and 橋爪瑞葵 and 一ノ倉聖 and 竹田幸治 and 出田真一郎 and 田中清尚 and 清水亮太 and 一杉太郎 and 平原徹}, title = {磁性トポロジカル絶縁体ヘテロ構造MnBi2Te4/Bi2Te3の構造、電子状態と磁性}, booktitle = {}, year = 2020, } @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{CTT100743725, author = {Shoya Sakamoto and Nguyen Thanh Tu and Yukiharu Takeda and Shin-ichi Fujimori and Pham Nam Hai and Le Duc Anh and Yuki Wakabayashi and Goro Shibata and Masafumi Horio and Keisuke Ikeda and Yuji Saitoh and Hiroshi Yamagami and Masaaki Tanaka and Atsushi Fujimori}, title = {Electronic Structure of the p-type Ferromagnetic Semiconductor (Ga,Fe)Sb}, booktitle = {}, year = 2016, } @inproceedings{CTT100683378, author = {坂本 祥哉 and レ デュック アィン and ファム ナム ハイ and 芝田 悟朗 and 竹田 幸治 and 高橋 文雄 and 小出 常晴 and 田中 雅明 and 藤森 淳}, title = {n 型強磁性半導体(In,Fe)As:Be のXMCD による磁化過程の研究}, booktitle = {}, year = 2014, } @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{CTT100672336, author = {竹田 幸治 and 岡根 哲夫 and 藤森 淳 and 斎藤 祐児 and 山上 浩志 and 大矢 忍 and ファム ナム ハイ and 田中 雅明}, title = {軟X線磁気円二色性によるGa1-xMnxAsのアニール効果の研究2}, booktitle = {}, year = 2010, } @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, } @inproceedings{CTT100672474, author = {竹田幸治 and 岡本淳 and 岡根哲夫 and 藤森伸一 and 斎藤祐児 and 村松康司 and 藤森 淳 and 岡林潤 and 尾嶋正治 and 大矢忍 and Pham Nam Hai and 田中雅明}, title = {GaMnAsのXMCDの磁場・温度・濃度依存性}, booktitle = {}, year = 2005, } @inproceedings{CTT100672483, author = {竹田幸治 and 岡本淳 and 岡根哲夫 and 藤森伸一 and 斎藤祐児 and 村松康司 and 藤森 淳 and 岡林潤 and 尾嶋正治 and 大矢忍 and Pham Nam Hai and 田中雅明}, title = {GaMnAsの軟X線磁気円二色性の磁場依存性II}, booktitle = {}, year = 2005, }