Field-Induced Magnetic Ordering in an S = 1/2 Quasi-One-Dimensional Quantum Spin System: (CH3)2NH2Cucl3

Osamu Wada,Yasuo Yoshida,Kenji Takeo,Kazuyoshi Takeda,Mitsuhiro Motokawa,Yuji Inagaki,Takuo Sakon,Takayuki Asano,Tatsuya Kawae,Yoshitami Ajiro

doi:10.1063/1.2355048

Field-Induced Magnetic Ordering in an S = 1/2 Quasi-One-Dimensional Quantum Spin System: (CH3)2NH2Cucl3

Osamu Wada, Yasuo Yoshida + Show 8 more

https://doi.org/10.1063/1.2355048

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Publication Date: Jan 1, 2006

Affiliation: Kyushu University, Tohoku University, Institute of Applied Physics, Akita University, Kyoto University

#Quantum Spin System #Field‐induced Magnetic Ordering + Show 8 more

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Abstract

Specific heat measurements of the quasi‐one‐dimensional S = 1/2 quantum spin system (CH3)2NH2CuCl3 have been carried out in a magnetic field up to H=8 T. This compound shows a 1/2 magnetization plateau between 2 T and 3.5 T and the magnetization saturates at H=14 T. We observed field‐induced magnetic ordering (FIMO) in the field range above the upper edge of the magnetization plateau (H ⩾ 4 T). The field dependence of the FIMO temperature is quite unlike those of the other quantum spin systems investigated so far. © 2006 American Institute of Physics

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