Theoretical study of the crystal structure of the bilayer nickel oxychloride Sr$_3$Ni$_2$O$_5$Cl$_2$ and analysis of possible unconventional superconductivity

Authors: Ochi, Masayuki, Sakakibara, Hirofumi, Usui, Hidetomo, Kuroki, Kazuhiko

Source: Phys. Rev. B 111, 064511 (2025)

Subject Terms: Condensed Matter - Superconductivity, Condensed Matter - Materials Science, Condensed Matter - Strongly Correlated Electrons

Access URL: http://arxiv.org/abs/2409.06935

Theoretical study on the possibility of high $T_c$ s$\pm$-wave superconductivity in the heavily hole-doped infinite layer nickelates

Authors: Sakakibara, Hirofumi, Mizuno, Ryota, Ochi, Masayuki, Usui, Hidetomo, Kuroki, Kazuhiko

Subject Terms: Condensed Matter - Superconductivity, Condensed Matter - Strongly Correlated Electrons

Access URL: http://arxiv.org/abs/2407.21461

Pressure-induced volumetric negative thermal expansion in CoZr2 superconductor

Authors: Watanabe, Yuto, Arima, Hiroto, Kawaguchi-Imada, Saori, Kadobayashi, Hirokazu, Oka, Kenta, Usui, Hidetomo, Matsumoto, Ryo, Takano, Yoshihiko, Kawahata, Takeshi, Kawashima, Chizuru, Takahashi, Hiroki, Yamashita, Aichi, Mizuguchi, Yoshikazu

Subject Terms: Condensed Matter - Materials Science, Condensed Matter - Superconductivity

Access URL: http://arxiv.org/abs/2310.14254

Sign change in c-axis thermal expansion and lattice collapse by Ni substitution in Co1-xNixZr2 superconductors

Authors: Watanabe, Yuto, Arima, Hiroto, Usui, Hidetomo, Mizuguchi, Yoshikazu

Source: Sci. Rep. 13, 1008 (2023)

Subject Terms: Condensed Matter - Superconductivity, Condensed Matter - Materials Science

Access URL: http://arxiv.org/abs/2211.00958

Glassy atomic vibrations and blurry electronic structures created by local structural disorders in high-entropy metal telluride superconductors

Authors: Mizuguchi, Yoshikazu, Usui, Hidetomo, Kurita, Rei, Takae, Kyohei, Kasem, Md. Riad, Matsumoto, Ryo, Yamane, Kazuki, Takano, Yoshihiko, Nakahira, Yuki, Yamashita, Aichi, Goto, Yosuke, Miura, Akira, Moriyoshi, Chikako

Subject Terms: Condensed Matter - Superconductivity, Condensed Matter - Materials Science

Access URL: http://arxiv.org/abs/2209.01905

Superconductivity in In-doped AgSnBiTe3 with possible band inversion

Authors: Mitobe, Tsubasa, Hoshi, Kazuhisa, Kasem, Md. Riad, Kiyama, Ryosuke, Usui, Hidetomo, Yamashita, Aichi, Higashinaka, Ryuji, Matsuda, Tatsuma D., Aoki, Yuji, Katase, Takayoshi, Goto, Yosuke, Mizuguchi, Yoshikazu

Subject Terms: Condensed Matter - Superconductivity, Condensed Matter - Strongly Correlated Electrons

Access URL: http://arxiv.org/abs/2109.07167

Pressure-induced superconductivity and robust Tc against external pressure in (Ge,Sn,Pb)Te

Authors: Matsumoto, Ryo, Yamane, Kazuki, Mizuguchi, Yoshikazu, Ishikawa, Rikuya, Takae, Kyohei, Kurita, Rei, Usui, Hidetomo, Ohkuma, Masahiro, Terashima, Kensei, Takano, Yoshihiko

Source: In Journal of Alloys and Compounds 5 May 2024 983

First principles study on the thermoelectric performance of CaAl$_2$Si$_2$-type Zintl phase compounds

Authors: Usui, Hidetomo, Kuroki, Kazuhiko

Source: J. Phys. Soc. Jpn. 89, 124707 (2020)

Subject Terms: Condensed Matter - Materials Science

Access URL: http://arxiv.org/abs/2008.10917

Possible pairing mechanism switching driven by structural symmetry breaking in BiS2-based layered superconductors

Authors: Yamashita, Aichi, Usui, Hidetomo, Hoshi, Kazuhisa, Goto, Yosuke, Kuroki, Kazuhiko, Mizuguchi, Yoshikazu

Source: Sci. Rep. 11, 230(1-7) (2021)

Subject Terms: Condensed Matter - Superconductivity, Condensed Matter - Strongly Correlated Electrons

Access URL: http://arxiv.org/abs/2007.11130

Electronic Structure of $\mathrm{Sr}_{1-y}\mathrm{Ca}_{y}\mathrm{Fe_{2}}(\mathrm{As}_{1-x}\mathrm{P}_{x}\mathrm{)_{2}}$ ($x$ = 0.25, $y$ = 0.08) Revealed by Angle-Resolved Photoemission Spectroscopy

Authors: Adachi, Toru, Ideta, Shinichiro, Tin, Zi How, Usui, Hidetomo, Tanaka, Kiyohisa, Miyasaka, Shigeki, Tajima, Setsuko

Source: J. Phys. Soc. Jpn. 88, 084701 (2019)

Subject Terms: Condensed Matter - Superconductivity

Access URL: http://arxiv.org/abs/2001.09241

Model construction and a possibility of cuprate-like pairing in a new d9 nickelate superconductor (Nd,Sr)NiO2

Authors: Sakakibara, Hirofumi, Usui, Hidetomo, Suzuki, Katsuhiro, Kotani, Takao, Aoki, Hideo, Kuroki, Kazuhiko

Source: Phys. Rev. Lett. 125, 077003 (2020)

Subject Terms: Condensed Matter - Superconductivity, Condensed Matter - Materials Science, Condensed Matter - Strongly Correlated Electrons

Access URL: http://arxiv.org/abs/1909.00060

First-principles study of LaOPbBiS$_3$ and its analogous compounds as thermoelectric materials

Authors: Kurematsu, Keiya, Ochi, Masayuki, Usui, Hidetomo, Kuroki, Kazuhiko

Source: J. Phys. Soc. Jpn. 89, 024702 (2020)

Subject Terms: Condensed Matter - Materials Science

Access URL: http://arxiv.org/abs/1906.11505

Hidden robust presence of a hole Fermi surface in a heavily electron doped iron based superconductor LaFe$_2$As$_2$

Authors: Usui, Hidetomo, Kuroki, Kazuhiko

Source: Phys. Rev. Research 1, 033025 (2019)

Subject Terms: Condensed Matter - Superconductivity

Access URL: http://arxiv.org/abs/1905.05488

Pressure-induced superconductivity in layered pnictogen diselenide NdO$_{0.8}$F$_{0.2}$Sb$_{1-x}$Bi$_x$Se$_2$ (x = 0.3 and 0.7)

Authors: Matsumoto, Ryo, Goto, Yosuke, Yamamoto, Sayaka, Sudo, Kenta, Usui, Hidetomo, Miura, Akira, Moriyoshi, Chikako, Kuroiwa, Yoshihiro, Adachi, Shintaro, Irifune, Tetsuo, Takeya, Hiroyuki, Tanaka, Hiromi, Kuroki, Kazuhiko, Mizuguchi, Yoshikazu, Takano, Yoshihiko

Source: Phys. Rev. B 100, 094528 (2019)

Subject Terms: Condensed Matter - Superconductivity, Condensed Matter - Materials Science

Access URL: http://arxiv.org/abs/1903.07791

Glassy atomic vibrations and blurry electronic structures created by local structural disorders in high-entropy metal telluride superconductors

Authors: Mizuguchi, Yoshikazu, Usui, Hidetomo, Kurita, Rei, Takae, Kyohei, Kasem, Md Riad, Matsumoto, Ryo, Yamane, Kazuki, Takano, Yoshihiko, Nakahira, Yuki, Yamashita, Aichi, Goto, Yosuke, Miura, Akira, Moriyoshi, Chikako

Source: In Materials Today Physics March 2023 32

Hidden kagome-lattice picture and origin of high conductivity in delafossite PtCoO$_2$

Authors: Usui, Hidetomo, Ochi, Masayuki, Kitamura, Sota, Oka, Takashi, Ogura, Daisuke, Rosner, Helge, Haverkort, Maurits W., Sunko, Veronika, King, Philip D. C., Mackenzie, Andrew P., Kuroki, Kazuhiko

Source: Phys. Rev. Materials 3, 045002 (2019)

Subject Terms: Condensed Matter - Materials Science

Access URL: http://arxiv.org/abs/1812.07213

Spin Hall effect in 2D metallic delafossite PtCoO$_2$ and vicinity topology

Authors: Kitamura, Sota, Usui, Hidetomo, Slager, Robert-Jan, Bouhon, Adrien, Sunko, Veronika, Rosner, Helge, King, Philip D. C., Orenstein, Joseph, Moessner, Roderich, Mackenzie, Andrew P., Kuroki, Kazuhiko, Oka, Takashi

Subject Terms: Condensed Matter - Mesoscale and Nanoscale Physics, Condensed Matter - Materials Science

Access URL: http://arxiv.org/abs/1811.03105

Thermoelectric performance of materials with Cu$Ch_4$ ($Ch=$ S, Se) tetrahedra: Similarities and differences among their low-dimensional electronic structure from first principles

Authors: Ochi, Masayuki, Mori, Hitoshi, Kato, Daichi, Usui, Hidetomo, Kuroki, Kazuhiko

Source: Phys. Rev. Materials 2, 085401 (2018)

Subject Terms: Condensed Matter - Materials Science

Access URL: http://arxiv.org/abs/1808.01087

Prediction of the High Thermoelectric Performance of Pnictogen Dichalcogenide Layered Compounds with Quasi-One-Dimensional Gapped Dirac-like Band Dispersion

Authors: Ochi, Masayuki, Usui, Hidetomo, Kuroki, Kazuhiko

Source: Phys. Rev. Applied 8, 064020 (2017)

Subject Terms: Condensed Matter - Materials Science

Access URL: http://arxiv.org/abs/1706.09271

Finite energy spin fluctuation as a pairing glue in systems with coexisting electron and hole bands

Authors: Nakata, Masahiro, Ogura, Daisuke, Usui, Hidetomo, Kuroki, Kazuhiko

Source: Phys. Rev. B 95, 214509 (2017)

Subject Terms: Condensed Matter - Superconductivity

Access URL: http://arxiv.org/abs/1705.00421