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Journal Articles

Local structural changes in V-Ti-Cr alloy hydrides with hydrogen absorption/desorption cycling

Ikeda, Kazutaka*; Sashida, Sho*; Otomo, Toshiya*; Oshita, Hidetoshi*; Honda, Takashi*; Hawai, Takafumi*; Saito, Hiraku*; Ito, Shinichi*; Yokoo, Tetsuya*; Sakaki, Koji*; et al.

International Journal of Hydrogen Energy, 51(Part A), p.79 - 87, 2024/01

https://doi.org/10.1016/j.ijhydene.2023.10.318
 Times Cited Count：3 Percentile：36.89(Chemistry, Physical)

Journal Articles

Gapless spin liquid in a square-kagome lattice antiferromagnet

Fujihara, Masayoshi*; Morita, Katsuhiro*; Mole, R.*; Mitsuda, Setsuo*; Toyama, Takami*; Yano, Shinichiro*; Yu, D.*; Sota, Shigetoshi*; Kuwai, Tomohiko*; Koda, Akihiro*; et al.

Nature Communications (Internet), 11, p.3429_1 - 3429_7, 2020/07

https://doi.org/10.1038/s41467-020-17235-z
 Times Cited Count：47 Percentile：92.12(Multidisciplinary Sciences)

Journal Articles

Temperature and composition phase diagram in the iron-based ladder compounds Ba$$_{1-x}$$Cs$$_{x}$$Fe$$_{2}$$Se$$_{3}$$

Hawai, Takafumi*; Nambu, Yusuke*; Ogushi, Kenya*; Du, F.*; Hirata, Yasuyuki*; Avdeev, M.*; Uwatoko, Yoshiya; Sekine, Yurina; Fukazawa, Hiroshi; Ma, J.*; et al.

Physical Review B, 91(18), p.184416_1 - 184416_11, 2015/05

https://doi.org/10.1103/PhysRevB.91.184416
 Times Cited Count：17 Percentile：56.79(Materials Science, Multidisciplinary)

We investigated the iron-based ladder compounds (Ba, Cs)Fe$$_{2}$$Se$$_{3}$$, whose parent compounds, BaFe$$_{2}$$Se$$_{3}$$ and CsFe$$_{2}$$Se$$_{3}$$, have different space groups, formal valences of Fe and magnetic structures. Electrical resistivity, specific heat, magnetic susceptibility, X-ray diffraction and powder neutron diffraction measurements were conducted to obtain the temperature and composition phase diagram of this system. Block magnetism seen in BaFe$$_{2}$$Se$$_{3}$$ is drastically suppressed with Cs doping. In contrast, stripe magnetism observed in CsFe$$_{2}$$Se$$_{3}$$ more resilient to Ba doping. Novel magnetic structure appears in intermediate compositions, which is similar to the stripe magnetism of CsFe$$_{2}$$Se$$_{3}$$ but with different inter-ladder spin configuration. Intermediate compounds show insulating behavior, nevertheless finite T-linear contribution in specific heat was obtained at low temperature.

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