Determination of the thermal conductivity of polycrystalline diamond films by means of the photoacoustic effect |
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| Authors: | A N Obraztsov I Yu Pavlovskii V G Ral’chenko H Okushi H Watanabe |
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| Institution: | (1) M. V. Lomonosov State University, 119899 Moscow, Russia;(2) Institute of General Physics, Russian Academy of Sciences, 117942 Moscow, Russia;(3) Electrotechnical Laboratory, Tsukuba, Ibaraki 305, Japan |
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| Abstract: | A new method of determining the heat-conducting properties of diamond films is proposed, based on the photoacoustic effect.
This method is used to study diamond polycrystalline films grown on silicon by chemical vapor deposition in a microwave discharge
plasma. The thermal conductivity obtained was approximately half that for single-crystal diamond.
Zh. Tekh. Fiz. 69, 97–101 (April 1999) |
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