INFLUENCE OF SUBSTRATE IN PHOTOTHERMAL MEASUREMENTS OF THIN-FILM ABSORPTION

被引：6
|
作者：
AMATO, G [1 ]
BENEDETTO, G [1 ]
BOARINO, L [1 ]
MARINGELLI, M [1 ]
SPAGNOLO, R [1 ]
机构：
[1] UNIV TURIN,DIPARTIMENTO FIS SPERIMENTALE,I-10125 TURIN,ITALY
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 1991年 / 52卷 / 04期
关键词：
D O I：
10.1007/BF00324592
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In photothermal measurements of low optical absorption coefficients, as in the case of thin films of amorphous semiconductors, the substrate absorption can play a non-negligible role. In this paper, the substrate influence is discussed and generalized on the basis of a theoretical model of a two-layer absorbing sample, and the interaction of the thermal and optical parameters which control the photothermal process in the sample is shown. Some experimental results obtained on thin films of amorphous silicon carbide deposited on different substrates are presented and discussed.
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页码：280 / 284
页数：5
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