Phase Transition of a Frustrated Magnet α-Gd_2S_3(Condensed Matter : Electronic Structure, Electrical, Magnetic and Optical Properties)
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概要
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Magnetic susceptibility, magnetization and heat capacity measurements are performed on a single crystal sample of α-Gd_2S_3. From the heat capacity measurements, we find a sharp anomaly at ≃ 10K signaling the onset of a long-range magnetic order. We find that a large amount of heat capacity remains below the transition temperature. The magnetization along the b axis at low temperatures shows a steep increase at about 2 T followed by a second increase at about 4.5 T. From these measurements a magnetic field versus temperature phase diagram is constructed, where three magnetically ordered phases are found. These experimental results are discussed in the context of magnetic frustration.
- 一般社団法人日本物理学会の論文
- 2004-11-15
著者
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Ebisu Shuji
Department Of Applied Materials Science Muroran Institute Of Technology
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Nagata Shoichi
Department Of Applied Material Science Muroran Institute Of Technology
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KATSUMATA Koichi
RIKEN
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KIKKAWA Akiko
RIKEN
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