A SIMPLE METHOD OF DETERMINING DEBYE TEMPERATURES

被引：4
|
作者：
DEACON, CG
DEBRUYN, JR
WHITEHEAD, JP
机构：
来源：
AMERICAN JOURNAL OF PHYSICS | 1992年 / 60卷 / 05期
关键词：
D O I：
10.1119/1.16894
中图分类号：
G40 [教育学];
学科分类号：
040101 ; 120403 ;
摘要：
A simple undergraduate laboratory experiment on the determination of Debye temperatures of solids is described. A sample of the solid is immersed in liquid nitrogen; from the mass of nitrogen boiled off in cooling the solid, the change in its internal energy is determined. The quantum corrections to the classical law of Dulong and Petit are calculated and the Debye temperature is obtained using a simple graphical technique.
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页码：422 / 425
页数：4
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