Zobrazeno 1 - 10
of 337
pro vyhledávání: '"Kimura, Kenta"'
A strong coupling between electric polarization and elastic deformation in solids is an important factor in creating useful electromechanical nanodevices. Such coupling is typically allowed in insulating materials with inversion symmetry breaking as
Externí odkaz:
http://arxiv.org/abs/2410.04831
Autor:
Kikuchi, Hodaka, Hasegawa, SHunsuke, Asai, Shinichiro, Hong, Tao, Kimura, Kenta, Kimura, Tsuyoshi, Itoh, Shinichi, Masuda, Takatsugu
We performed inelastic neutron scattering experiments on single crystal samples of a linear magnetoelectric material Mn$_{3}$Ta$_{2}$O$_{8}$, which exhibits a collinear antiferromagnetic order, to reveal the spin dynamics. Numerous modes observed in
Externí odkaz:
http://arxiv.org/abs/2405.02589
Autor:
Nomura, Toshihiro, Kato, Yasuyuki, Motome, Yukitoshi, Miyake, Atsushi, Tokunaga, Masashi, Kohama, Yoshimitsu, Zherlitsyn, Sergei, Wosnitza, Joachim, Kimura, Shojiro, Katsuyoshi, Tsukasa, Kimura, Tsuyoshi, Kimura, Kenta
Publikováno v:
Phys. Rev. B 108, 054434 (2023)
High-field phase diagram of a chiral-lattice antiferromagnet Sr(TiO)Cu4(PO4)4 is studied by means of the ultrasound, dielectric, and magnetocaloric-effect measurements. These experimental techniques reveal two new phase transitions at high fields, wh
Externí odkaz:
http://arxiv.org/abs/2306.02506
Autor:
Nomura, Toshihiro, Yajima, Takeshi, Yang, Zhuo, Kurihara, Ryosuke, Ishii, Yuto, Tokunaga, Masashi, Matsuda, Yasuhiro H., Kohama, Yoshimitsu, Kimura, Kenta, Kimura, Tsuyoshi
Publikováno v:
J. Phys. Soc. Jpn. 91, 064702 (2022)
We report dielectric, thermodynamical, acoustic, and optical properties of a chiral molecular crystal, 1,1'-bi-2-naphthol 2-dimethylsulfoxide (BINOL2DMSO). We find two successive phase transitions at Tc1=190 K and Tc2=125 K. The first transition at T
Externí odkaz:
http://arxiv.org/abs/2204.01241
Autor:
Testa, Luc, Babkevich, Peter, Kato, Yasuyuki, Kimura, Kenta, Favre, Virgile, Rodriguez-Rivera, Jose A., Ollivier, Jacques, Raymond, Stéphane, Kimura, Tsuyoshi, Motome, Yukitoshi, Normand, Bruce, Rønnow, Henrik M.
Publikováno v:
Phys. Rev. B 105, 214406 (2022)
We report high-resolution single-crystal inelastic neutron scattering measurements on the spin-1/2 antiferromagnet Ba(TiO)Cu$_4$(PO$_4$)$_4$. This material is formed from layers of four-site \cupola" structures, oriented alternately upwards and downw
Externí odkaz:
http://arxiv.org/abs/2203.00067
Publikováno v:
In Personality and Individual Differences February 2024 217
Autor:
Miyake, Atsushi, Mitamura, Hiroyuki, Kawachi, Shiro, Tokunaga, Masashi, Kimura, Kenta, Kimura, Tsuyoshi, Kihara, Takumi, Tachibana, Makoto
Publikováno v:
Rev. Sci. Instrum. 91, 105103 (2020)
We report on the development of a capacitance measuring system which allows measurements of capacitance in pulsed magnetic fields up to 61~T. By using this system, magnetic-field responses of various physical quantities such magnetostriction, magneti
Externí odkaz:
http://arxiv.org/abs/2009.02870
Publikováno v:
Phys. Rev. B 101, 054417 (2020)
The magnetic structure of the antiferromagnetic square cupola compound Ba(TiO)Cu$_4$(PO$_4$)$_4$ with the tetragonal structure is studied with 31P nuclear magnetic resonance techniques. The magnetic hyperfine shift K shows a clear splitting at the N\
Externí odkaz:
http://arxiv.org/abs/1911.07684
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Publikováno v:
In Biological Psychology January 2023 176