Zobrazeno 1 - 10
of 157
pro vyhledávání: '"Yoshizawa, Masahito"'
Autor:
Yoshizawa, Masahito, Shimizu, Yusei, Nakanishi, Yoshiki, Homma, Yoshiya, Nakamura, Ai, Honda, Fuminori, Aoki, Dai
Publikováno v:
J. Phys. Soc. Jpn. 92, 104603 (2023)
We conducted an investigation on the temperature and magnetic field dependence of the elastic properties of UCoAl. The longitudinal elastic stiffness, $C_{33}$, exhibits significant softening as the system approaches the critical endpoint (CEP). This
Externí odkaz:
http://arxiv.org/abs/2307.00703
Autor:
Watanabe, Takao, Otsuka, Takumi, Hagisawa, Shotaro, Koshika, Yuta, Adachi, Shintaro, Usui, Tomohiro, Sasaki, Nae, Sasaki, Seya, Yamaguchi, Shunpei, Uezono, Yu, Nakanishi, Yoshiki, Yoshizawa, Masahito, Kimura, Shojiro
Publikováno v:
Modern Physics Letters B Vol. 34, Nos. 19 & 20 (2020) 2040051
Among the Fe-based superconductors, Fe$_{1+y}$Te$_{1-x}$Se$_{x}$ is unique in that its crystal structure is the simplest and the electron correlation level is the strongest, and thus it is important to investigate the doping($x$)-temperature ($T$) ph
Externí odkaz:
http://arxiv.org/abs/2005.13866
Autor:
Yoshida, Taichi, Jin, Kensuke, Wakiya, Kazuhei, Nakamura, Mitsuteru, Yoshizawa, Masahito, Muro, Yuji, Nakanishi, Yoshiki
Publikováno v:
In Solid State Communications 1-15 November 2023 373-374
Autor:
Otsuka, Takumi, Hagisawa, Shotaro, Koshika, Yuta, Adachi, Shintaro, Usui, Tomohiro, Sasaki, Nae, Sasaki, Seya, Yamaguchi, Shunpei, Nakanishi, Yoshiki, Yoshizawa, Masahito, Kimura, Shojiro, Watanabe, Takao
Publikováno v:
Physical Review B, 99, (2019) 184505-1-9
In this study, we conducted various magnetotransport measurements on Fe$_{1+y}$Te$_{1-x}$Se$_{x}$ single crystals from which excess iron was sufficiently removed. Our results revealed that crossover from the incoherent to the coherent electronic stat
Externí odkaz:
http://arxiv.org/abs/1904.13020
Akademický článek
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Autor:
Akiba, Kazuto, Miyake, Atsushi, Sakai, Hideaki, Katayama, Keisuke, Murakawa, Hiroshi, Hanasaki, Noriaki, Takaoka, Sadao, Nakanishi, Yoshiki, Yoshizawa, Masahito, Tokunaga, Masashi
Publikováno v:
Phys. Rev. B 98, 115144 (2018)
The magnetic field dependence of electronic transport, magnetic, and elastic properties in single crystals of PbTe were investigated in high magnetic fields up to 55 T. The magnetoresistance, magnetization, ultrasonic attenuation, and sound velocity
Externí odkaz:
http://arxiv.org/abs/1809.01778
Autor:
Fujii, Chiaki, Simayi, Shalamujiang, Sakano, Kouhei, Sasaki, Chizuru, Nakamura, Mitsuteru, Nakanishi, Yoshiki, Kihou, Kunihiro, Nakajima, Masamichi, Lee, Chul-Ho, Iyo, Akira, Eisaki, Hiroshi, Uchida, Shin-ichi, Yoshizawa, Masahito
Publikováno v:
J. Phys. Soc. Jpn., Vol.87, No.7 (2018)
In this study, the temperature dependence of elastic constants $C_{11}$, $C_{33}$, $C_{\rm E} = (C_{11}-C_{12})/2$, $C_{66}$ and $C_{44}$ of the iron-based superconductor Ba(Fe$_{1-x}$Co$_{x}$)$_{2}$As$_{2}$ (0 $\leqq x \leqq$ 0.245) have been measur
Externí odkaz:
http://arxiv.org/abs/1801.02791
Autor:
Koshika, Yuta, Usui, Tomohiro, Adachi, Shintaro, Watanabe, Takao, Sakano, Kouhei, Simayi, Shalamujiang, Yoshizawa, Masahito
Publikováno v:
J. Phys. Soc. Jpn. 82 (2013) 023703
In this study, the effects of annealing under tellurium vapor have been investigated for Fe$_{1.03}$Te$_{0.8}$Se$_{0.2}$ single crystals. The as-grown crystal is not superconducting. After annealing it at 400 $^\circ$C for 250 h in tellurium (Te) vap
Externí odkaz:
http://arxiv.org/abs/1212.6476
Autor:
Yoshizawa, Masahito, Kimura, Daichi, Chiba, Taiji, Ismayil, Abdusalam, Nakanishi, Yoshiki, Kihou, Kunihiro, Lee, Chul-Ho, Iyo, Akira, Eisaki, Hiroshi, Nakajima, Masamichi, Uchida, Shin-ichi
Publikováno v:
J. Phys. Soc. Jpn. 81 (2012) 024604
We investigated the elastic properties of the iron-based superconductor Ba(Fe1-xCox)2As2 with eight Co concentrations. The elastic constant C66 shows large elastic softening associated with the structural phase transition. The C66 was analyzed base o
Externí odkaz:
http://arxiv.org/abs/1111.0366
Autor:
Sun, Peijie, Nakanishi, Yoshiki, Nakamura, Mitsuteru, Yoshizawa, Masahito, Ohashi, Masashi, Oomi, Gendo, Sekine, Chihiro, Shirotani, Ichimin
Publikováno v:
Phys. Rev. B 75, 054114 (2007)
The filled skutterudite compound SmRu_4P_{12} undergoes a complex evolution from a paramagnetic metal (phase I) to a probable multipolar ordering insulator (phase II) at T_{MI} = 16.5 K, then to a magnetically ordered phase (phase III) at T_{N} = 14
Externí odkaz:
http://arxiv.org/abs/cond-mat/0610282