Improved thermal relaxation method for the simultaneous measurement of the specific heat and thermal conductivity

被引：6

作者：

Demko, L. ^{[1
,2
]}

Kezsmarki, I. ^{[1
,2
]}

Csontos, M. ^{[1
,2
,3
]}

Bordacs, S. ^{[1
,2
]}

Mihaly, G. ^{[1
,2
]}

机构：

[1] Hungarian Acad Sci, Condensed Matter Res Grp, H-1111 Budapest, Hungary

[2] Budapest Univ Technol & Econ, Dept Phys, H-1111 Budapest, Hungary

[3] Swiss Fed Inst Technol, Solid State Phys Lab, CH-8093 Zurich, Switzerland

来源：

EUROPEAN PHYSICAL JOURNAL B | 2010年 / 74卷 / 01期

关键词：

CHARGE-DENSITY-WAVE; METAL-INSULATOR-TRANSITION; SPIN-LIQUID-STATE; TRIANGULAR LATTICE; PEIERLS TRANSITION; 3-OMEGA METHOD; BAVS3; 2H-TASE2; SCATTERING; CAPACITY;

D O I：

10.1140/epjb/e2010-00055-0

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

A novel method for the simultaneous, high-resolution measurement of the specific heat c and the thermal conductivity kappa is presented. A new experimental setup has been developed with special emphasis on the elimination of systematic errors arising from radiative heat loss. A self-consistent data evaluation method is implemented which takes the effects of the sample geometry on c and kappa properly into account. The measurements were performed over a broad temperature regime from 3 K up to room temperature on three compounds from the family of strongly correlated electron systems. The differences in their thermal properties and their highly sample-dependent sizes and shapes demonstrate the extended scope of the proposed method.

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页码：27 / 33

页数：7

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