Short Range Order of Spins in Cu(NO_3)_22.5H_2O under Magnetic Field
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概要
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In Cu(NO_3)_22.5H_2O, the Cu^<2+> ions are coupled in almost isolated pairs by antiferromagnetic exchange interaction, and the pairs are considered to be linked in one-dimensional way by weak inter-pair exchange interaction. In an external magnetic field, the ground singlet of the pair crosses the lowest component of the excited triplet at about H=36kOe. In the vicinity of the point of level crossing, a large amount of the short range order of the spin component perpendicular to the field appears at sufficiently low temperatures. An anomaly found by Haseda et al. in their experiment of cooling by adiabatic magnetization of the crystal can be explained as the occurrence of this short range order.
- 東北大学の論文
著者
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TACHIKI Masashi
The Research Institute for Iron,Steel and Other Metals,Tohoku University
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MAEKAWA Sadamichi
The Research Institute for Iron,Steel and Other Metals Tohoku University
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Tachiki Masashi
The Research Institute For Iron Steel And Other Metals
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YAMADA Takemi
The Research Institute for Iron, Steel and Other Metals
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Yamada Takemi
The Research Institute For Iron Steel And Other Metals
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Maekawa Sadamichi
The Research Institute For Iron Steel And Other Metals
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Maekawa Sadamichi
The Recearch Institute For Iron Steel And Other Metals Tohoku University
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