Katayama, N., Uchida, M., Hashizume, D., Niitaka, S., Matsuno, J., Matsumura, D., ...
We investigate LiVS2 and LiVSe2 with a triangular lattice as itinerant analogues of LiVO2, known for the formation of valence bond solid (VBS) state out of S = 1 frustrated magnet. LiVS2, which is...
Fukazawa, H., Yamada, Y., Kondo, K., Saito, T., Kohori, Y., Kuga, K., ...
We report the 75As nuclear quadrupole resonance (NQR) and specific heat measurements of the heavily hole-doped superconductor KFe2As2 (Tc = 3.5 K). The spin-lattice relaxation rate 1/T1 in the...
75As NMR Study of Hole-Doped Superconductor Ba1-xKxFe2As2 (Tc = 38K) (2009)
Fukazawa, H., Yamazaki, T., Kondo, K., Kohori, Y., Takeshita, N., Shirage, P. M., ...
We report the 75As nuclear magnetic resonance (NMR) measurement of the hole-doped superconductor Ba1-xKxFe2As2 with different lattice parameters and different superconducting volume fractions (Tc =...
Suppression of Magnetic Order by Pressure in BaFe2As2 (2008)
Fukazawa, H., Takeshita, N., Yamazaki, T., Kondo, K., Hirayama, K., Kohori, Y., ...
We performed the dc resistivity and the ZF 75As-NMR measurement of BaFe2As2 under high pressure. The T-P phase diagram of BaFe2As2 determined from resistivity anomalies and the ZF 75As-NMR clearly...
75As NMR study of the ternary iron arsenide BaFe2As2 (2008)
Fukazawa, H., Hirayama, K., Kondo, K., Yamazaki, T., Kohori, Y., Takeshita, N., ...
We report 75As-NMR measurements of the ternary iron arsenide BaFe2As2. 75As-NMR spectra clearly revealed that magnetic transition occurs at around 131 K in our samples, which corresponds to the...
Demkó, L., Kézsmárki, I., Mihály, G., Takeshita, N., Tomioka, Y., Tokura, Y.
We have studied the bandwidth-temperature-magnetic field phase diagram of RE(0.55)Sr(0.45)MnO(3) colossal magnetoresistance manganites with ferromagnetic metallic (FM) ground state. The bandwidth (or...
Quantum criticality and disorder in the antiferromagnetic critical point of NiS$_{2}$ pyrite (2007)
Takeshita, N., Takashima, S., Terakura, C., Nishikubo, H., Miyasaka, S., Nohara, M., ...
A quantum critical point (QCP) between the antiferromagnetic and the paramagnetic phases was realized by applying a hydrostatic pressure of ~ 7 GPa on single crystals of NiS_{2} pyrite with a low...
Gauzzi, Andrea, Takashima, S., Takeshita, N., Terakura, C., Takagi, H., Emery, N., ...
We measured the electrical resistivity, $\varrho(T)$, of superconducting CaC$_6$ at ambient and high pressure up to 16 GPa. For $P \leq$8 GPa, we found a large increase of $T_c$ with pressure from...
Gauzzi, Andrea, Takashima, S., Takeshita, N., Terakura, C., Takagi, H., Emery, N., ...
We measured the electrical resistivity, $\varrho(T)$, of superconducting CaC$_6$ at ambient and high pressure up to 16 GPa. For $P \leq$8 GPa, we found a large increase of $T_c$ with pressure from...
Gauzzi, Andrea, Takashima, S., Takeshita, N., Terakura, C., Takagi, H., Emery, N., ...
We measured the electrical resistivity, $\varrho(T)$, of superconducting CaC$\_6$ at ambient and high pressure up to 16 GPa. For $P \leq$8 GPa, we found a large increase of $T\_c$ with pressure from...
Gauzzi, Andrea, Takashima, S., Takeshita, N., Terakura, C., Takagi, H., Emery, N., ...
We measured the electrical resistivity, $\varrho(T)$, of superconducting CaC$_6$ at ambient and high pressure up to 16 GPa. For $P \leq$8 GPa, we found a large increase of $T_c$ with pressure from...
Gauzzi, Andrea, Takashima, S., Takeshita, N., Terakura, C., Takagi, H., Emery, N., ...
We measured the electrical resistivity, $\varrho(T)$, of superconducting CaC$_6$ at ambient and high pressure up to 16 GPa. For $P \leq$8 GPa, we found a large increase of $T_c$ with pressure from...
Impurity-induced transition to a Mott insulator in Sr$_3$Ru$_2$O$_7$ (2005)
Mathieu, R., Asamitsu, A., Kaneko, Y., He, J. P., Yu, X. Z., Kumai, R., ...
The electrical, magnetic, and structural properties of Sr$_3$(Ru$_{1-x}$Mn$_x$)$_2$O$_7$ (0 $\leq x \leq$ 0.2) are investigated. The parent compound Sr$_3$Ru$_2$O$_7$ is a paramagnetic metal,...
High pressure effects on the superconductivity of beta-pyrochlore oxides AOs2O6 (2005)
Muramatsu, T., Takeshita, N., Terakura, C., Takagi, H., Tokura, Y., Yonezawa, S., ...
High pressure effects on the superconducting transitions of beta-pyrochlore superconductors AOs2O6 (A = Cs, Rb, K) are studied by measuring resistivity under high pressures up to 10 GPa. The...
Takeshita, N., Sasagawa, T., Sugioka, T., Tokura, Y., Takagi, H.
The effect of uniaxial pressure on superconductivity was examined for a high-Tc cuprate La1.64Eu0.2Sr0.16CuO4, which is located at the boundary between the superconducting and stripe phases. We found...
Takeshita, N., Terakura, C., Akahoshi, D., Tokura, Y., Takagi, H.
The effect of quenched disorder on the multiphase competition has been investigated by examining the pressure phase diagram of half doped manganite Ln0.5B0.5MnO3 (Ln = Sm and Nd) with A-site...
Nakanishi,T., Takeshita,N., Mori,N.
We have succeeded in developing a new high-pressure cell designed for measuring the absolute value of the electrical resistivity in magnetic fields at low temperatures. This pressure cell, based on a...
Nakanishi, T., Takeshita, N., Mori, N.
We have succeeded in developing a new high-pressure cell designed for measuring the absolute value of the electrical resistivity in magnetic fields at low temperatures. This pressure cell, based on a...
Effect of pressure on the antiferromagnetism of UNi2Si2 (2000)
Honda, F., Matsuda, N., Oomi, G., Mori, N., Takeshita, N., Andreev, A.V., ...
Suppression of simple antiferromagnetism in UNi2Si2 under high pressure (2000)
Honda, F., Matsuda, N., Oomi, G., Mori, N., Takeshita, N., Sechovsky, V., ...
1. This study was designed to investigate the effect of meta-chlorophenylpiperazine (m-CPP; a 5-hydroxytryptamine (5-HT) receptor agonist) on the formalin-induced nociceptive responses in normal,...