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Journal Articles

Maximizing $$T_c$$ by tuning nematicity and magnetism in FeSe$$_{1-x}$$S$$_x$$ superconductors

Matsuura, Kohei*; Mizukami, Yuta*; Arai, Yuki*; Sugimura, Yuichi*; Maejima, Naoyuki*; Machida, Akihiko*; Watanuki, Tetsu*; Fukuda, Tatsuo; Yajima, Takeshi*; Hiroi, Zenji*; et al.

Nature Communications (Internet), 8, p.1143_1 - 1143_6, 2017/10

https://doi.org/10.1038/s41467-017-01277-x
 Times Cited Count：80 Percentile：91.57(Multidisciplinary Sciences)

Journal Articles

Direct observation of lattice symmetry breaking at the hidden-order transition in URu$$_2$$Si$$_2$$

Tonegawa, Sho*; Kasahara, Shigeru*; Fukuda, Tatsuo; Sugimoto, Kunihisa*; Yasuda, Nobuhiro*; Tsuruhara, Yugo*; Watanabe, Daiki*; Mizukami, Yuta*; Haga, Yoshinori; Matsuda, Tatsuma*; et al.

Nature Communications (Internet), 5, p.4188_1 - 4188_7, 2014/06

https://doi.org/10.1038/ncomms5188
 Times Cited Count：52 Percentile：89.07(Multidisciplinary Sciences)

Journal Articles

Electronic nematic transition and orthorhombic distortion in iron-based superconductors

Shibauchi, Takasada*; Kasahara, Shigeru*; Matsuda, Yuji*; Fukuda, Tatsuo; Sugimoto, Kunihisa*

Nihon Kessho Gakkai-Shi, 55(2), p.128 - 134, 2013/04

https://doi.org/10.5940/jcrsj.55.128

no abstracts in English

Journal Articles

Electronic nematicity above the structural and superconducting transition in BaFe$$_2$$(As$$_{1-x}$$P$$_x$$)$$_2$$

Kasahara, Shigeru*; Shi, H. J.*; Hashimoto, Kenichiro*; Tonegawa, Sho*; Mizukami, Yuta*; Shibauchi, Takasada*; Sugimoto, Kunihisa*; Fukuda, Tatsuo; Terashima, Takahito*; Nevidomskyy, A. H.*; et al.

Nature, 486(7403), p.382 - 385, 2012/06

https://doi.org/10.1038/nature11178
 Times Cited Count：385 Percentile：99.31(Multidisciplinary Sciences)

JAEA Reports

Conceptual study of transmutation experimental facility, 2; Study on ADS target test facility

Sasa, Toshinobu; Umeno, Makoto*; Mizubayashi, Hiroshi*; Mori, Keijiro*; Futakawa, Masatoshi; Saito, Shigeru; Kai, Tetsuya; Nakai, Kimikazu*; Zako, Akira*; Kasahara, Yoshiyuki*; et al.

JAERI-Tech 2005-021, 114 Pages, 2005/03

JAERI-Tech-2005-021.pdf:9.66MB

To perform the research and development for accelerator-driven system (ADS), Japan Atomic Energy Research Institute (JAERI) plans to build a Transmutation Experimental Facility under the JAERI-KEK joint J-PARC program. Transmutation Experimental Facility consists of two buildings, Transmutation Physics Experimental Facility to make reactor physics experiment with subcritical core, and ADS Target Test Facility for the preparation of irradiation database for various structural materials. In this report, purpose to build, experimental schedule, and design study of the ADS target test facility with drawer type spallation target are summarized.

Oral presentation

Inelastic neutron scattering study of iron-based superconductors FeSe$$_{0.5}$$Te$$_{0.5}$$ and FeSe; Nematic effect of magnetic scattering spectra

Shamoto, Shinichi; Kodama, Katsuaki; Kajimoto, Ryoichi; Nakamura, Mitsutaka; Ishikado, Motoyuki*; Watashige, Tatsuya*; Kasahara, Shigeru*; Matsuda, Yuji*; Shibauchi, Takasada*; Arai, Masatoshi*

no journal, , 

Iron-based superconductors FeSe$$_{0.5}$$Te$$_{0.5}$$ and FeSe have been studied by inelastic neutron scattering measurement. In contrast of FeSe, FeSe$$_{0.5}$$Te$$_{0.5}$$ exhibits temperature dependent incommensurability in magnetic spectrum with no clear structural transition. We find a jump in the incommensurability at about 70 K.

Oral presentation

Nematic effect on spin excitations of FeSe$$_{0.5}$$Te$$_{0.5}$$5 and FeSe

Shamoto, Shinichi; Ishikado, Motoyuki*; Watashige, Tatsuya*; Kasahara, Shigeru*; Kodama, Katsuaki; Kajimoto, Ryoichi; Nakamura, Mitsutaka; Shibauchi, Takasada*; Matsuda, Yuji*; Arai, Masatoshi*

no journal, , 

Iron-based superconductors FeSe$$_{0.5}$$Te$$_{0.5}$$ and FeSe have been studied by inelastic neutron scattering measurement. Although FeSe$$_{0.5}$$Te$$_{0.5}$$ does not exhibit any clear structural transition, the incommensurate magnetic excitation shows a jump at about 70 K in the incommensurability. It may suggest that the degeneracy of d$$_{zx}$$ and d$$_{yz}$$ orbitals in FeSe$$_{0.5}$$Te$$_{0.5}$$ is lifted in this temperature range. It can be due to the nematic effect even in FeSe$$_{0.5}$$Te$$_{0.5}$$.

Oral presentation

Inelastic neutron scattering study of $$beta$$-FeSe

Shamoto, Shinichi; Mori, Michiyasu; Kajimoto, Ryoichi; Kodama, Katsuaki; Ishikado, Motoyuki*; Watashige, Tatsuya*; Kasahara, Shigeru*; Nakamura, Mitsutaka; Shibauchi, Takasada*; Matsuda, Yuji*

no journal, , 

Iron-based superconductor $$beta$$-FeSe has not been studied in the high energy region by inelastic neutron scattering measurement. We have studied it with the single crystals grown by chemical vapor transport method. As a result, spin-wave like dispersion, which can be fitted by two types of anisotropic exchange interactions, is observed up to 200 meV.

Oral presentation

Spin nematic susceptibility studied by inelastic neutron scattering in FeSe

Shamoto, Shinichi; Kajimoto, Ryoichi; Ishikado, Motoyuki*; Yamakawa, Yoichi*; Watashige, Tatsuya*; Kasahara, Shigeru*; Nakamura, Mitsutaka; Kontani, Hiroshi*; Shibauchi, Takasada*; Matsuda, Yuji*

no journal, , 

no abstracts in English

9 (Records 1-9 displayed on this page)
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