THERMODYNAMICS OF THE CHARGE-DENSITY-WAVE TRANSITION IN BLUE BRONZE

被引:46
作者
BRILL, JW [1 ]
CHUNG, M [1 ]
KUO, YK [1 ]
ZHAN, X [1 ]
FIGUEROA, E [1 ]
MOZURKEWICH, G [1 ]
机构
[1] FORD MOTOR CO,RES LAB,DEARBORN,MI 48121
关键词
D O I
10.1103/PhysRevLett.74.1182
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Specific heat, Young's moduli, and magnetic susceptibility have been measured on pieces of a single crystal of blue bronze (for which thermal expansivity was previously measured) at its 180 K charge-density-wave (CDW) transition. All quantities were analyzed using a free energy appropriate for a three-dimensional XY model. Although not all parameters can be readily interpreted, the resulting fits permit quantification of the magnitudes of the anomalies at the phase transition in a systematic way that does not require guessing of the background variation. © 1995 The American Physical Society.
引用
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页码:1182 / 1185
页数:4
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