Ballistic Landauer-type thermal conductivity of a dielectric point contact

被引：9

作者：

Shkorbatov, AG

Feher, A

Stefanyi, P

机构：

[1] SAFARIK UNIV, KOSICE 04353, SLOVAKIA

[2] UNIV EXETER, DEPT PHYS, EXETER EX4 4QL, DEVON, ENGLAND

来源：

PHYSICA B-CONDENSED MATTER | 1996年 / 218卷 / 1-4期

关键词：

D O I：

10.1016/0921-4526(95)00604-4

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The contribution of the phonon diffraction effects to the thermal conductivity of dielectric and metal-dielectric point contacts is investigated. A formula analogous to the Landauer formula for electron conductivity holds for the thermal conductivity of the contact. Measurements of the heat flux of Si-Cu point contacts reveal a well-defined diffraction maxima of reduced thermal conductivity of the point contacts at temperatures 0.5-1 K.

引用

页码：242 / 244

页数：3

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