Magnitic Phase Boundary for a Quasi-Two-Diminsional Isotropic antiferromagnet Mn (HCOO)_2・2H_2O
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概要
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The fully mapped T-H (temperature-magnetic field) phase diagram of a quasi-two-dimensional (2d) antiferromagnet Mn(HCOO).-2H.0 (7'.=3.69 K) hasbeen determined by the measurements of magnetic heat capacity and susceptibility.The critical field has been estimated to be 105f5 k0e at T=O K, which gives theintra-layer exchange constant l./l/A.=0.35:L0.02 K. By applying external field,an anomalous increase of the Neel temperature T.(H) has been found (7'y(#)tI.l07'.(0) at #=35 k0e) for the first time in this 2d compound as in the case ofquasi-ld compounds.
- 社団法人日本物理学会の論文
- 1983-02-15
著者
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Koyama Kuniyuki
Department Of Elebtronical Engineering And Elebtronics Toyohashi University Of Technology
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Koyama Kuniyuki
Department Of Material Physics Facuty Of Enhineering Sciende Osaka Univerdity
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Takeda Kazuyoshi
Department Of Applied Quantum Physics Faculty Of Engineering Kyushu University:institute Of Environm
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Takeda Kazuyoshi
Department Of Material Physics Facuty Of Enhineering Sciende Osaka Univerdity
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