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K

K. Yamamoto

national institutes for quantum science & technology

23H-index
170Paper Count
2.0KCitation Count
Published Papers 31
Publication Date
Separation of Magnetism and Orbital Order in Superconducting Iron-Ladders: Signature of Hund's Metallic State near Its Superconductivity
err2025-09-15
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PREAI
errTakubo, Kou; Yamamoto, Kohei; Murota, Kota; Moritsuna, Naoki; Yamagami, Kohei; Hirata, Yasuyuki; Wadati, Hiroki; Sutarto, Ronny; Hashizume, Kazuki; Imaizumi, Satoshi; Aoyama, Takuya; Imai, Yoshinori; Ohgushi, Kenya; Mizokawa, Takashi
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4 f electron temperature driven ultrafast electron localization
err2024-04-29
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errOAAI
errYamagami, Kohei; Ueda, Hiroki; Staub, Urs; Zhang, Yujun; Yamamoto, Kohei; Park, Sang Han; Kwon, Soonnam; Mitsuda, Akihiro; Wada, Hirofumi; Uozumi, Takayuki; Mimura, Kojiro; Wadati, Hiroki
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Ultrafast Subpicosecond Magnetization of a 2D Ferromagnet
err2023-07-27
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errOAAI
errAnh, Le Duc; Kobayashi, Masaki; Takeda, Takahito; Araki, Kohsei; Okano, Ryo; Sumi, Toshihide; Horio, Masafumi; Yamamoto, Kohei; Kubota, Yuya; Owada, Shigeki; Yabashi, Makina; Matsuda, Iwao; Tanaka, Masaaki
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Solar-pumped fiber laser using a solid-state luminescent solar collector
err2023-07-20
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errOAAI
errEndo, Masamori; Yamamoto, Kohei; Dottermusch, Stephan; Howard, Ian A.; Richards, Bryce S.; Tomizawa, Ryota; Masuda, Taizo
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Photo-induced antiferromagnetic-ferromagnetic and spin-state transition in a double-perovskite cobalt oxide thin film
err2022-03-07
err3
errOAAI
errZhang, Yujun; Katayama, Tsukasa; Chikamatsu, Akira; Schuessler-Langeheine, Christian; Pontius, Niko; Hirata, Yasuyuki; Takubo, Kou; Yamagami, Kohei; Ikeda, Keisuke; Yamamoto, Kohei; Hasegawa, Tetsuya; Wadati, Hiroki
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6-GHz lattice response in a quantum spin-orbital liquid probed by time-resolved resonant x-ray scattering
err2021-11-10
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PREAI
errTakubo, Kou; Mizokawa, Takashi; Man, Huiyuan; Yamamoto, Kohei; Zhang, Yujun; Hirata, Yasuyuki; Wadati, Hiroki; Khomskii, Daniel, I; Nakatsuji, Satoru
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Ultrafast optical stress on BaFe2As2
err2021-09-08
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errOAAI
errSuzuki, Takeshi; Kubota, Yuya; Nakamura, Asuka; Shimojima, Takahiro; Takubo, Kou; Ito, Suguru; Yamamoto, Kohei; Michimae, Shoya; Sato, Hikaru; Hiramatsu, Hidenori; Hosono, Hideo; Togashi, Tadashi; Yabashi, Makina; Wadati, Hiroki; Matsuda, Iwao; Shin, Shik; Okazaki, Kozo
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Spin-orbital liquid in Ba3CuSb2O9 stabilized by oxygen holes
err2021-07-19
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errOAAI
errTakubo, Kou; Man, Huiyuan; Nakatsuji, Satoru; Yamamoto, Kohei; Zhang, Yujun; Hirata, Yasuyuki; Wadati, Hiroki; Yasui, Akira; Mizokawa, Takashi; Khomskii, Daniel, I
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Soft-X-Ray Vortex Beam Detected by Inline Holography
err2020-12-24
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errOAAI
errIshii, Yuta; Yamamoto, Kohei; Yokoyama, Yuichi; Mizumaki, Masaichiro; Nakao, Hironori; Arima, Taka-hisa; Yamasaki, Yuichi
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Interfacial-hybridization-modified Ir ferromagnetism and electronic structure in LaMnO3/SrIrO3 superlattices
err2020-09-25
err10
errOAAI
errZhang, Yujun; Luo, Yong Zheng; Wu, Liang; Suzuki, Motohiro; Zhang, Qinghua; Hirata, Yasuyuki; Yamagami, Kohei; Takubo, Kou; Ikeda, Keisuke; Yamamoto, Kohei; Yasui, Akira; Kawamura, Naomi; Lin, Chun; Koshiishi, Keisuke; Liu, Xin; Zhang, Jinxing; Hotta, Yasushi; Wang, X. Renshaw; Fujimori, Atsushi; Lin, Yuanhua; Nan, Cewen; Shen, Lei; Wadati, Hiroki
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Hard and soft x-ray photoemission spectroscopy study of the new Kondo system SmO thin film
err2020-09-18
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errOAAI
errSakamoto, Shoya; Kaminaga, Kenichi; Oka, Daichi; Yukawa, Ryu; Horio, Masafumi; Yokoyama, Yuichi; Yamamoto, Kohei; Takubo, Kou; Nonaka, Yosuke; Koshiishi, Keisuke; Kobayashi, Masaki; Tanaka, Arata; Yasui, Akira; Ikenaga, Eiji; Wadati, Hiroki; Kumigashira, Hiroshi; Fukumura, Tomoteru; Fujimori, Atsushi
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Element-selectively tracking ultrafast demagnetization process in Co/Pt multilayer thin films by the resonant magneto-optical Kerr effect
err2020-05-01
err27
errOAAI
errYamamoto, Kohei; El Moussaoui, Souliman; Hirata, Yasuyuki; Yamamoto, Susumu; Kubota, Yuya; Owada, Shigeki; Yabashi, Makina; Seki, Takeshi; Takanashi, Koki; Matsuda, Iwao; Wadati, Hiroki
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Photoinduced valence dynamics in EuNi2(Si0.21Ge0.79)2 studied via time-resolved x-ray absorption spectroscopy
err2019-09-12
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errOAAI
errYokoyama, Y.; Kawakami, K.; Hirata, Y.; Takubo, K.; Yamamoto, K.; Abe, K.; Mitsuda, A.; Wada, H.; Uozumi, T.; Yamamoto, S.; Matsuda, I; Kimura, S.; Mimura, K.; Wadati, H.
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Magnetic and electronic properties of B-site-ordered double-perovskite oxide La2CrMnO6 thin films
err2019-06-13
err15
PREAI
errYoshimatsu, K.; Ishimaru, J.; Watarai, K.; Yamamoto, K.; Hirata, Y.; Wadati, H.; Takeda, Y.; Horiba, K.; Kumigashira, H.; Sakata, O.; Ohtomo, A.
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Commensurate versus incommensurate charge ordering near the superconducting dome in Ir1-xPtxTe2 revealed by resonant x-ray scattering
err2018-05-31
err12
errOAAI
errTakubo, K.; Yamamoto, K.; Hirata, Y.; Wadati, H.; Mizokawa, T.; Sutarto, R.; He, F.; Ishii, K.; Yamasaki, Y.; Nakao, H.; Murakami, Y.; Matsuo, G.; Ishii, H.; Kobayashi, M.; Kudo, K.; Nohara, M.
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Thickness dependence and dimensionality effects on charge and magnetic orderings in La1/3Sr2/3FeO3 thin films
err2018-02-16
err5
errOAAI
errYamamoto, K.; Hirata, Y.; Horio, M.; Yokoyama, Y.; Takubo, K.; Minohara, M.; Kumigashira, H.; Yamasaki, Y.; Nakao, H.; Murakami, Y.; Fujimori, A.; Wadati, H.
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Determination of the element-specific complex permittivity using a soft x-ray phase modulator
err2017-12-11
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PREAI
errKubota, Y.; Hirata, Y.; Miyawaki, J.; Yamamoto, S.; Akai, H.; Hobara, R.; Yamamoto, Sh.; Yamamoto, K.; Someya, T.; Takubo, K.; Yokoyama, Y.; Araki, M.; Taguchi, M.; Harada, Y.; Wadati, H.; Tsunoda, M.; Kinjo, R.; Kagamihata, A.; Seike, T.; Takeuchi, M.; Tanaka, T.; Shin, S.; Matsuda, I.
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L-edge resonant magneto-optical Kerr effect of a buried Fe nanofilm
err2017-10-30
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PREAI
errKubota, Y.; Taguchi, M.; Akai, H.; Yamamoto, Sh.; Someya, T.; Hirata, Y.; Takubo, K.; Araki, M.; Fujisawa, M.; Yamamoto, K.; Yokoyama, Y.; Yamamoto, S.; Tsunoda, M.; Wadati, H.; Shin, S.; Matsuda, I.
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