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Application of photoacoustic and photothermal techniques for heat conduction measurements in a free-standing chemical vapor-deposited diamond film
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| Abstract |
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| Heat conduction in a free-standing chemical vapor-deposited polycristalline diamond film has been investigated by means of combined front and rear photoacoustic signal detection techniques and also by means of a ''mirage'' photothermal beam deflection technique. The results obtained with the different techniques are consistent with a value of alpha=(5.5+/-0.4) x 10(-4)m(2).s(-1) for thermal diffusivity, resulting in a value of kappa=(9.8+/-0.7) x 10(2) W.m(-1).K-1 for thermal conductivity when literature values for the density and heat capacity for natural diamond are used. | |
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English
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| Source (journal) |
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International journal of thermophysics. - New York |
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| Publication |
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New York : 1993
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0195-928X
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14:6(1993), p. 1201-1214
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| ISI |
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A1993MN19500008
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