THE THERMAL-CONDUCTIVITY OF ISOTOPICALLY ENRICHED POLYCRYSTALLINE DIAMOND FILMS

被引：44
|
作者：
ANTHONY, TR [1 ]
FLEISCHER, JL [1 ]
OLSON, JR [1 ]
CAHILL, DG [1 ]
机构：
[1] CORNELL UNIV,ITHACA,NY 14853
来源：
JOURNAL OF APPLIED PHYSICS | 1991年 / 69卷 / 12期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1063/1.347463
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The thermal conductivity of a chemically vapor deposited (CVD) diamond film containing 0.07% C-13 was measured as a function of temperature by ac and dc techniques and compared to CVD diamond with a natural isotopic abundance of 1.07% C-13. Unlike the single-crystal case where a large isotope enhancement effect has been reported, no increase in the thermal conductivity was observed in isotopically enriched CVD diamond films. The absence of an isotope effect in CVD diamond films indicates that a phonon scattering mechanism other than isotope scattering dominates in CVD diamond.
引用
收藏
页码：8122 / 8125
页数：4
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