MEASUREMENTS OF THERMAL-CONDUCTIVITY OF DIAMOND FILMS BY PHOTOTHERMALDEFLECTION TECHNIQUE

Authors
BERTOLOTTI M LIAKHOU GL FERRARI A RALCHENKO VGF SMOLIN AA OBRAZTSOVA E KOROTOUSHENKO KG PIMENOV SM KONOV VI
Citation
M. Bertolotti et al., MEASUREMENTS OF THERMAL-CONDUCTIVITY OF DIAMOND FILMS BY PHOTOTHERMALDEFLECTION TECHNIQUE, Journal of applied physics, 75(12), 1994, pp. 7795-7798
Citations number
15
Categorie Soggetti
Physics, Applied
Journal title
Journal of applied physics → ACNP
ISSN journal
00218979
Volume
75
Issue
12
Year of publication
1994
Pages
7795 - 7798
Database
ISI
SICI code
0021-8979(1994)75:12<7795:MOTODF>2.0.ZU;2-7
Abstract
The photothermal deflection technique has been used for contactless me asurements of the thermal conductivity of thin polycrystalline diamond films grown in a dc arc discharge in different CH4/H-2 mixtures. The thermal conductivity correlates inversely with amorphous sp2 carbon co ntent in the films. Values of thermal conductivity in the range 2-5 W/ cm K were obtained for approximately 10-mum-thick diamond films deposi ted from gas mixtures containing methane percentages varying from 3% t o 9%.