SPECIFIC-HEAT OF UPT3 IN MAGNETIC-FIELDS UP TO 24.5-T

被引:48
|
作者
VANDERMEULEN, HP [1 ]
TARNAWSKI, Z [1 ]
DEVISSER, A [1 ]
FRANSE, JJM [1 ]
PERENBOOM, JAAJ [1 ]
ALTHOF, D [1 ]
VANKEMPEN, H [1 ]
机构
[1] CATHOLIC UNIV NIJMEGEN,HIGH FIELD MAGNET LAB,6525 ED NIJMEGEN,NETHERLANDS
来源
PHYSICAL REVIEW B | 1990年 / 41卷 / 13期
关键词
D O I
10.1103/PhysRevB.41.9352
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We report the first high-precision specific-heat measurements on the heavy-fermion compound UPt3, over a wide temperature (1.4 K<T<40 K) and field range (B<24.5 T), thus covering the metamagnetic transition at 20 T. The data, taken on a single-crystalline sample, show a pronounced low-temperature maximum in the enhanced * value at 20 T for a field direction in the hexagonal plane. We also investigate the presence of a T3ln(T/T*) contribution to the specific heat in field. © 1990 The American Physical Society.
引用
收藏
页码:9352 / 9357
页数:6
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