日本物理学会
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作者:Takayuki Kawamata , Hideki Nagasawa ...
来源:[J].Journal of the Physical Society of Japan(IF 2.087), 2018, Vol.87 (7)JPS
摘要:We have measured the thermal conductivity in the frustrated two-leg spin ladder system of Bi(Cu1− x Zn x )2PO6 single crystals with x = 0 and 0.02 with the spin quantum number S = 1/2 to investigate the thermal conductiv...
作者:Takayuki Kawamata , Naoki Sugawara ...
来源:[J].Journal of the Physical Society of Japan(IF 2.087), 2019, Vol.88 (11)JPS
摘要:We have measured temperature and magnetic field dependences of the thermal conductivity along the c -axis, κ c, and that along the [110] direction, κ 110, of CuB2O4 single crystals in zero field and magnetic fields along the c -axi...
作者:Takayuki Kawamata , Koki Naruse ...
来源:[J].Journal of the Physical Society of Japan(IF 2.087), 2016, Vol.85 (3)JPS
摘要:To investigate the spin state of azurite, Cu3(CO3)2(OH)2, we have measured the thermal conductivity along the c -axis, κc, perpendicular to the spin diamond chains. It has been found that the temperature dependence of κ<...
作者:Takayuki Kawamata , Masatsune Kato
来源:[J].Journal of the Physical Society of Japan(IF 2.087), 2016, Vol.85 (1)JPS
摘要:Post-annealing effects on the crystal structure and superconductivity of the lithium- and hexamethylenediamine (HMDA)-intercalated superconductor Li x (C6H16N2) y Fe2− z Se2 have been inv...
作者:Takayuki Kawamata , Tomohisa Takamatsu ...
来源:[J].Journal of the Physical Society of Japan(IF 2.087), 2016, Vol.85 (9)JPS
摘要:We have investigated the effects of magnetic Ni and nonmagnetic Zn impurities on the superconductivity in undoped T′-La1.8Eu0.2CuO4 (T′-LECO) with the Nd2CuO4-type structure, using polycrystalline bulk samples, to clarif...
作者:Takayuki Kawamata , Masatsune Kato
来源:[J].Journal of the Physical Society of Japan(IF 2.087), 2016, Vol.85 (10)JPS
摘要:New FeSe-based intercalation superconductors, Ax (C8H11N) y Fe1− z Se ( A = Li, Na), with T c = 39–44 K have been successfully synthesized via the intercalation of alkali metals and 2-phenethylamine...
作者:Takayuki Kawamata , Masatsune Kato
来源:[J].Journal of the Physical Society of Japan(IF 2.087), 2017, Vol.86 (10)JPS
摘要:New intercalation superconductors of Li x (C2H8N2) y TiSe2 and Li x (C6H16N2) y TiSe2 with T c = 4.2 K have successfully been synthesized...

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