HEAT-CAPACITY OF DYIN3

被引:8
作者
CZOPNIK, A [1 ]
ELENBAAS, RA [1 ]
MATTENS, WCM [1 ]
机构
[1] UNIV AMSTERDAM,NATUURKUNDIG LAB,1018 XE AMSTERDAM,NETHERLANDS
来源
PHYSICA STATUS SOLIDI A-APPLIED RESEARCH | 1991年 / 123卷 / 01期
关键词
D O I
10.1002/pssa.2211230129
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Heat capacity of DyIn3 in the temperature range between 1.2 and 35 K and in the magnetic field up to 5 T is reported. It is found that the transition to the antiferromagnetic state (T(N) = 19.35 K) is of second order. At low temperatures, in comparison to T(N), the heat capacity has T3 exp (-DELTA/T) dependence with the energy gap DELTA in the spin-wave spectrum equal to 8.2, 6.0, and 4.3 K in zero magnetic field, 3 and 5 T, respectively. In the paramagnetic state the crystal field contribution to the heat capacity is analysed.
引用
收藏
页码:285 / 289
页数:5
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