Thermal diffusivity measurement of solid materials by the pulsed photothermal displacement technique

被引：25

作者：

Bennis, GL ^{[1
]}

Vyas, R

Gupta, R

Ang, S

Brown, WD

机构：

[1] Univ Arkansas, Dept Phys, Fayetteville, AR 72701 USA

[2] Univ Arkansas, Dept Elect Engn, Fayetteville, AR 72701 USA

来源：

JOURNAL OF APPLIED PHYSICS | 1998年 / 84卷 / 07期

关键词：

D O I：

10.1063/1.368535

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A simple, noncontact technique for the measurement of thermal diffusivity of solids is experimentally demonstrated. The technique is based on the photothermal displacement effect. Excellent agreement between the quasistatic theory of photothermal displacement and the experiment has been obtained. The technique has been demonstrated by measuring the thermal diffusivities of GaAs and InGaAs/AlGaAs multiple quantum wells. (C) 1998 American Institute of Physics. [S0021-8979(98)04519-8].

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页码：3602 / 3610

页数：9

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