HEAT-CAPACITY ANOMALIES DUE TO SUCCESSIVE PHASE-TRANSITIONS IN 1,1'-BIPHENYL

被引：40

作者：

ATAKE, T ^{[1
]}

CHIHARA, H ^{[1
]}

机构：

[1] OSAKA UNIV,FAC SCI,DEPT CHEM,TOYONAKA,OSAKA 560,JAPAN

来源：

SOLID STATE COMMUNICATIONS | 1980年 / 35卷 / 02期

关键词：

803 Chemical Agents and Basic Industrial Chemicals - 804 Chemical Products Generally - 931 Classical Physics; Quantum Theory; Relativity - 933 Solid State Physics;

D O I：

10.1016/0038-1098(80)90229-X

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Precision heat capacity measurements on 1,1'-biphenyl revealed two broad anomalies at 11. 0 K and 40. 4 K. The excess enthalpies and entropies are 0. 28 plus or minus 0. 02 J mol** minus **1 and 0. 026 plus or minus 0. 002 J K** minus **1mol** minus **1 for the anomaly extending from 7. 5 to 14. 0 K, and 5. 02 plus or minus 0. 08 J mol** minus **1 and 0. 129 plus or minus 0. 003 J K** minus **1 for the anomaly extending from 30. 0 to 47. 0 K, respectively. A possible molecular mechanism is suggested.

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页码：131 / 134

页数：4

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