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Search Results: Records 1-20 displayed on this page of 23

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Journal Articles

Origin of magnetically dead layers in spinel ferrites $$M$$Fe$$_2$$O$$_4$$ grown on Al$$_2$$O$$_3$$; Effects of postdeposition annealing studied by XMCD

Nonaka, Yosuke*; Wakabayashi, Yuki*; Shibata, Goro; Sakamoto, Shoya*; Ikeda, Keisuke*; Chi, Z.*; Wan, Y.*; Suzuki, Masahiro*; Tanaka, Arata*; Tanaka, Masaaki*; et al.

Physical Review Materials (Internet), 7(4), p.044413_1 - 044413_10, 2023/04

https://doi.org/10.1103/PhysRevMaterials.7.044413
 Times Cited Count：0 Percentile：0(Materials Science, Multidisciplinary)

Journal Articles

Cr doping-induced ferromagnetism in the spin-glass Cd$$_{1-x}$$Mn$$_x$$Te studied by X-ray magnetic circular dichroism

Verma, V.*; Sakamoto, Shoya*; Ishikawa, Koichiro*; Singh, V. R.*; Ishigami, Keisuke*; Shibata, Goro; Kadono, Toshiharu*; Koide, Tsuneharu*; Kuroda, Shinji*; Fujimori, Atsushi*

Physica B; Condensed Matter, 642, p.414129_1 - 414129_5, 2022/10

https://doi.org/10.1016/j.physb.2022.414129
 Times Cited Count：4 Percentile：53.42(Physics, Condensed Matter)

Journal Articles

Magnetic properties and electronic configurations of Mn ions in the diluted magnetic semiconductor Ba$$_{1-x}$$K$$_x$$(Zn$$_{1-y}$$Mn$$_y$$)$$_2$$As$$_2$$ studied by X-ray magnetic circular dichroism and resonant inelastic X-ray scattering

Suzuki, Hakuto*; Zhao, G.*; Okamoto, Jun*; Sakamoto, Shoya*; Chen, Z.-Y.*; Nonaka, Yosuke*; Shibata, Goro; Zhao, K.*; Chen, B.*; Wu, W.-B.*; et al.

Journal of the Physical Society of Japan, 91(6), p.064710_1 - 064710_5, 2022/06

https://doi.org/10.7566/JPSJ.91.064710
 Times Cited Count：0 Percentile：0(Physics, Multidisciplinary)

Journal Articles

Evolution of Fe 3$$d$$ impurity band state as the origin of high Curie temperature in the $$p$$-type ferromagnetic semiconductor (Ga,Fe)Sb

Takeda, Takahito*; Sakamoto, Shoya*; Araki, Kosei*; Fujisawa, Yuita*; Anh, L. D.*; Tu, N. T.*; Takeda, Yukiharu; Fujimori, Shinichi; Fujimori, Atsushi*; Tanaka, Masaaki*; et al.

Physical Review B, 102(24), p.245203_1 - 245203_8, 2020/12

https://doi.org/10.1103/PhysRevB.102.245203
 Times Cited Count：7 Percentile：44.34(Materials Science, Multidisciplinary)

Journal Articles

Electronic structure of the high-$$T_{rm C}$$ ferromagnetic semiconductor (Ga,Fe)Sb; X-ray magnetic circular dichroism and resonance photoemission spectroscopy studies

Sakamoto, Shoya*; Tu, N. T.*; Takeda, Yukiharu; Fujimori, Shinichi; Hai, P. N.*; Anh, L. D.*; Wakabayashi, Yuki K.*; Shibata, Goro*; Horio, Masafumi*; Ikeda, Keisuke*; et al.

Physical Review B, 100(3), p.035204_1 - 035204_8, 2019/07

https://doi.org/10.1103/PhysRevB.100.035204

Journal Articles

Electronic structure of the high-$$T_{rm C}$$ ferromagnetic semiconductor (Ga,Fe)Sb; X-ray magnetic circular dichroism and resonance photoemission spectroscopy studies

Sakamoto, Shoya*; Tu, N. T.*; Takeda, Yukiharu; Fujimori, Shinichi; Hai, P. N.*; Anh, L. D.*; Wakabayashi, Yuki*; Shibata, Goro*; Horio, Masafumi*; Ikeda, Keisuke*; et al.

Physical Review B, 100(3), p.035204_1 - 035204_8, 2019/07

https://doi.org/10.1103/PhysRevB.100.035204
 Times Cited Count：16 Percentile：66.08(Materials Science, Multidisciplinary)

Journal Articles

Local magnetic states of the weakly ferromagnetic iron-based superconductor Sr$$_{2}$$VFeAsO$$_{3-delta}$$ studied by X-ray magnetic circular dichroism

Horio, Masafumi*; Takeda, Yukiharu; Namiki, Hiromasa*; Katagiri, Takao*; Wakabayashi, Yuki*; Sakamoto, Shoya*; Nonaka, Yosuke*; Shibata, Goro*; Ikeda, Keisuke*; Saito, Yuji; et al.

Journal of the Physical Society of Japan, 87(10), p.105001_1 - 105001_2, 2018/10

https://doi.org/10.7566/JPSJ.87.105001
 Times Cited Count：2 Percentile：21.2(Physics, Multidisciplinary)

Journal Articles

Cation distribution and magnetic properties in ultrathin (Ni$$_{1-x}$$Co$$_{x}$$)Fe$$_{2}$$O$$_{4}$$ (x=0-1) layers on Si(111) studied by soft X-ray magnetic circular dichroism

Wakabayashi, Yuki*; Nonaka, Yosuke*; Takeda, Yukiharu; Sakamoto, Shoya*; Ikeda, Keisuke*; Chi, Z.*; Shibata, Goro*; Tanaka, Arata*; Saito, Yuji; Yamagami, Hiroshi; et al.

Physical Review Materials (Internet), 2(10), p.104416_1 - 104416_12, 2018/10

https://doi.org/10.1103/PhysRevMaterials.2.104416
 Times Cited Count：10 Percentile：37.66(Materials Science, Multidisciplinary)

Journal Articles

Origin of robust nanoscale ferromagnetism in Fe-doped Ge revealed by angle-resolved photoemission spectroscopy and first-principles calculation

Sakamoto, Shoya*; Wakabayashi, Yuki*; Takeda, Yukiharu; Fujimori, Shinichi; Suzuki, Hakuto*; Ban, Yoshisuke*; Yamagami, Hiroshi; Tanaka, Masaaki*; Oya, Shinobu*; Fujimori, Atsushi*

Physical Review B, 95(7), p.075203_1 - 075203_5, 2017/02

https://doi.org/10.1103/PhysRevB.95.075203
 Times Cited Count：9 Percentile：42.75(Materials Science, Multidisciplinary)

Journal Articles

Origin of the large positive magnetoresistance of Ge$$_{1-x}$$Mn$$_{x}$$ granular thin films

Wakabayashi, Yuki*; Akiyama, Ryota*; Takeda, Yukiharu; Horio, Masafumi*; Shibata, Goro*; Sakamoto, Shoya*; Ban, Yoshisuke*; Saito, Yuji; Yamagami, Hiroshi; Fujimori, Atsushi*; et al.

Physical Review B, 95(1), p.014417_1 - 014417_6, 2017/01

https://doi.org/10.1103/PhysRevB.95.014417
 Times Cited Count：10 Percentile：45.87(Materials Science, Multidisciplinary)

Journal Articles

Volume-wise destruction of the antiferromagnetic Mott insulating state through quantum tuning

Frandsen, B. A.*; Liu, L.*; Cheung, S. C.*; Guguchia, Z.*; Khasanov, R.*; Morenzoni, E.*; Munsie, T. J. S.*; Hallas, A. M.*; Wilson, M. N.*; Cai, Y.*; et al.

Nature Communications (Internet), 7, p.12519_1 - 12519_8, 2016/08

https://doi.org/10.1038/ncomms12519
 Times Cited Count：33 Percentile：77.26(Multidisciplinary Sciences)

Journal Articles

Room-temperature local ferromagnetism and its nanoscale expansion in the ferromagnetic semiconductor Ge$$_{1-x}$$Fe$$_{x}$$

Wakabayashi, Yuki*; Sakamoto, Shoya*; Takeda, Yukiharu; Ishigami, Keisuke*; Takahashi, Yukio*; Saito, Yuji; Yamagami, Hiroshi; Fujimori, Atsushi*; Tanaka, Masaaki*; Oya, Shinobu*

Scientific Reports (Internet), 6, p.23295_1 - 23295_9, 2016/03

AA2016-0503.pdf:1.66MB

https://doi.org/10.1038/srep23295
 Times Cited Count：20 Percentile：66.31(Multidisciplinary Sciences)

Journal Articles

Magnetization process of the $$n$$-type ferromagnetic semiconductor (In,Fe)As:Be studied by X-ray magnetic circular dichroism

Sakamoto, Shoya*; Anh, L. D.*; Hai, P. N.*; Shibata, Goro*; Takeda, Yukiharu; Kobayashi, Masaki*; Takahashi, Yukio*; Koide, Tsuneharu*; Tanaka, Masaaki*; Fujimori, Atsushi*

Physical Review B, 93(3), p.035203_1 - 035203_6, 2016/01

AA2016-0502.pdf:1.1MB

https://doi.org/10.1103/PhysRevB.93.035203
 Times Cited Count：18 Percentile：63.01(Materials Science, Multidisciplinary)

Journal Articles

Spin and orbital magnetic moments of Fe in the $$n$$-type ferromagnetic semiconductor (In,Fe)As

Kobayashi, Masaki*; Anh, L. D.*; Hai, P. N.*; Takeda, Yukiharu; Sakamoto, Shoya*; Kadono, Toshiharu*; Okane, Tetsuo; Saito, Yuji; Yamagami, Hiroshi; Harada, Yoshihisa*; et al.

Applied Physics Letters, 105(3), p.032403_1 - 032403_4, 2014/07

AA2015-0418.pdf:0.82MB

https://doi.org/10.1063/1.4890733
 Times Cited Count：6 Percentile：26.85(Physics, Applied)

JAEA Reports

Improvement of gyrotron by suppression of undesirable waves

Kasugai, Atsushi; Sakamoto, Keishi; Hayashi, Kenichi*; Takahashi, Koji; Shoyama, Hiroaki*; Kajiwara, Ken*; Ikeda, Yoshitaka; Kariya, Tsuyoshi*; Mitsunaka, Yoshika*; Fujii, Tsuneyuki; et al.

JAERI-Research 2002-027, 57 Pages, 2002/11

JAERI-Research-2002-027.pdf:3.6MB

no abstracts in English

Journal Articles

Development and design of an ECRF launching system for ITER

Takahashi, Koji; Imai, Tsuyoshi; Sakamoto, Keishi; Kobayashi, Noriyuki*; Mori, Seiji*; Mori, Kensuke*; Ito, Yasuyuki*; Shoyama, Hiroaki; Kasugai, Atsushi

Fusion Engineering and Design, 56-57, p.587 - 592, 2001/10

https://doi.org/10.1016/S0920-3796(01)00270-8
 Times Cited Count：7 Percentile：48.68(Nuclear Science & Technology)

no abstracts in English

Journal Articles

High-efficiency oscillation of 170GHz high-power gyrotron at TE$$_{31.8}$$ mode with depressed collector

Shoyama, Hiroaki; Sakamoto, Keishi; Hayashi, Kenichi*; Kasugai, Atsushi; Tsuneoka, Masaki; Takahashi, Koji; Ikeda, Yukiharu; Kariya, Tsuyoshi*; Mitsunaka, Yoshika*; Imai, Tsuyoshi

Japanese Journal of Applied Physics, Part 2, 40(8B), p.L906 - L908, 2001/08

https://doi.org/10.1143/JJAP.40.L906
 Times Cited Count：28 Percentile：71.93(Physics, Applied)

no abstracts in English

Journal Articles

1 MW and long pulse operation of Gaussian beam output gyrotron with CVD diamond window for fusion devices

Kasugai, Atsushi; Sakamoto, Keishi; Takahashi, Koji; Kajiwara, Ken; Shoyama, Hiroaki; Ikeda, Yukiharu; Tsuneoka, Masaki; Ikeda, Yoshitaka; Fujii, Tsuneyuki; Kariya, Tsuyoshi*; et al.

Fusion Engineering and Design, 53(1-4), p.399 - 406, 2001/01

https://doi.org/10.1016/S0920-3796(00)00516-0
 Times Cited Count：17 Percentile：74.85(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Development of 100GHz band high power gyrotron

Shoyama, Hiroaki; Sakamoto, Keishi; Hayashi, Kenichi*; Kasugai, Atsushi; Takahashi, Koji; Tsuneoka, Masaki; Ikeda, Yukiharu; Kariya, Tsuyoshi*; Mitsunaka, Yoshika*; Imai, Tsuyoshi

Shingaku Giho, 100(506), p.39 - 44, 2000/12

no abstracts in English

Journal Articles

Development of high power gyrotron for ECH system

Imai, Tsuyoshi; Sakamoto, Keishi; Kasugai, Atsushi; Tsuneoka, Masaki; Takahashi, Koji; Shoyama, Hiroaki; Ikeda, Yukiharu; Ikeda, Yoshitaka; Kajiwara, Ken; Fujii, Tsuneyuki; et al.

Heisei-12-Nendo Denki Gakkai Genshiryoku Kenkyu Shiryo (NE-00-4), p.19 - 24, 2000/09

no abstracts in English

23 (Records 1-20 displayed on this page)