Successive Magnetic Transitions in Candidate ``Idle-Spin'' System, Cu3(OH)4SO4
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概要
- 論文の詳細を見る
Single crystals of Cu3(OH)4SO4 containing triple chains of S = 1/2 spins were synthesized by a hydrothermal method. This compound is a candidate ``idle-spin'' system in which some of its spins seem to disappear, while the rest exhibit a long-range order. Its magnetic susceptibility indicates an antiferromagnetic transition at T_{\text{N}} = 5.5 K, below which a large anisotropy appears. Unlike its magnetic structure predicted from neutron studies, its spin-easy axis slightly deviates from the c-axis. Two-step field-induced magnetic transitions occur in the magnetization curves below T_{\text{N}} under magnetic fields along the c- and a-axes. Furthermore, magnetic fields much below the saturation field, regardless of their direction, induce a transition into a paramagnetic phase.
- 2011-04-15
著者
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Hara Shigeo
Department Of Materials Science & Technology Nagoya Institute Of Technology
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Kondo Hiroki
Deparment Of Physics Saga University
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Sato Hirohiko
Department Of Biotechnology Tokyo University Of Agriculture And Technology
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Kondo Hiroki
Department of Physics, Chuo University, Bunkyo, Tokyo 112-8551, Japan
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HARA Shigeo
Department of Dairy Science, The College of Dairying
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