Zobrazeno 1 - 10
of 665
pro vyhledávání: '"Yamamoto Hajime"'
Autor:
Hagawa, Masahide, Matsukawa, Michiaki, Niinuma, Kota, Kudo, Reiya, Mizusihima, Yuto, Kawarada, Naohisa, Yamamoto, Hajime, Sano, Kazuhiro, Ono, Yoshiaki, Sasaki, Takahiko
Publikováno v:
J. Phys. Soc. Jpn., Vol.93, No.4, 2024
We demonstrated the lattice structures and the superconducting phases of metallic double-chain based cuprate Pr2Ba4Cu7O15-delta exhibiting higher Tc. After the oxygen heat treatment on citrate pyrolysis precursors, their reduction treatment followed
Externí odkaz:
http://arxiv.org/abs/2401.12037
Autor:
Sakakura, Terutoshi, Ishikawa, Yoshihisa, Kishimoto, Shunji, Takenaka, Yasuyuki, Tanaka, Kiyoaki, Miyasaka, Shigeki, Tokura, Yoshinori, Noda, Yukio, Ishizawa, Nobuo, Sagayama, Hajime, Yamamoto, Hajime, Kimura, Hiroyuki
The theoretically observable limit of electron density distribution by single-crystal X-ray diffraction is discussed. When F_{orb} and {\delta}F are defined as, respectively, the partial structure factor for an orbital and the deviation of the observ
Externí odkaz:
http://arxiv.org/abs/2401.00412
Autor:
Bacq-Labreuil, Benjamin, Fawaz, Chafic, Okazaki, Yuichi, Obata, Yukiko, Cercellier, Hervé, Lefevre, Patrick, Bertran, François, Santos-Cottin, David, Yamamoto, Hajime, Yamada, Ikuya, Azuma, Masaki, Horiba, Koji, Kumigashira, Hiroshi, d'Astuto, Matteo, Biermann, Silke, Lenz, Benjamin
We study two related universal anomalies of the spectral function of cuprates, so called waterfall and high-energy kink features, by a combined cellular dynamical mean-field theory and angle-resolved photoemission study for the oxychloride Na$_x$Ca$_
Externí odkaz:
http://arxiv.org/abs/2312.14381
Autor:
Lebert, Blair W., Bacq-Labreuil, Benjamin, Dean, Mark P. M., Ruotsalainen, Kari, Nicolaou, Alessandro, Huotari, Simo, Yamada, Ikuya, Yamamoto, Hajime, Azuma, Masaki, Brookes, Nicholas B., Yakhou, Flora, Miao, Hu, Santos-Cottin, David, Lenz, Benjamin, Biermann, Silke, d'Astuto, Matteo
Publikováno v:
Phys. Rev. B 108, 024506 (2023)
Using Resonant Inelastic X-ray Scattering, we measure the paramagnon dispersion and damping of undoped, antiferromagnetic Ca$_2$CuO$_2$Cl$_2$ as well as doped, superconducting Na$_{x}$Ca$_{2-x}$CuO$_2$Cl$_2$. Our estimation of the spin-exchange param
Externí odkaz:
http://arxiv.org/abs/2303.04139
Publikováno v:
In Materials & Design August 2024 244
Autor:
Morimura, Amane a, Kamiyama, Sachiko b, Hayashi, Naoaki a, c, Yamamoto, Hajime b, Yamada, Ikuya a, ⁎
Publikováno v:
In Journal of Alloys and Compounds 15 December 2023 968
Autor:
Roy, Dayal Chandra a, ⁎, Matsukawa, Michiaki a, ⁎, Arakida, Minami a, Sakou, Hanako a, Hata, Kazuto a, Nishidate, Kazume a, Aisawa, Sumio a, Yamamoto, Hajime b, Matsushita, Akiyuki c
Publikováno v:
In Solid State Communications 1-15 November 2023 373-374
Autor:
Lebert, Blair W., Yamamoto, Hajime, Azuma, Masaki, Heid, Rolf, Tsutsui, Satoshi, Uchiyama, Hiroshi, Baron, Alfred Q. R., Baptiste, Benoît, d'Astuto, Matteo
Publikováno v:
Phys. Rev. B 101, 020506 (2020)
We measure the dispersion of the Cu-O bond-stretching phonon mode in the high-temperature superconducting parent compound Ca$_2$CuO$_2$Cl$_2$. Our density functional theory calculations predict a cosine-shaped bending of the dispersion along both the
Externí odkaz:
http://arxiv.org/abs/1904.08258
Autor:
Pan, Zhao, Chen, Jun, Yu, Runze, Patra, Lokanath, Ravindran, Ponniah, Sanson, Andrea, Milazzo, Ruggero, Carnera, Alberto, Hu, Lei, Yamamoto, Hajime, Ren, Yang, Huang, Qingzhen, Sakai, Yuki, Nishikubo, Takumi, Ogata, Takahiro, Fan, Xian, Li, Yawei, Li, Guangqiang, Hojo, Hajime, Azuma, Masaki, Xing, Xianran
Publikováno v:
Giant Negative Thermal Expansion Induced by the Synergistic Effects of Ferroelectrostriction and Spin-Crossover in PbTiO3-Based Perovskites. Chemistry of Materials. (2019)
The discovery of unusual negative thermal expansion (NTE) provides the opportunity to control the common but much desired property of thermal expansion, which is valuable not only in scientific interests but also in practical applications. However, m
Externí odkaz:
http://arxiv.org/abs/1902.04757
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