DEFECT CHARACTERIZATION OF HIGH THERMAL CONDUCTIVITY CaF2 DOPED AlN CERAMICS BY RAMAN SPECTROSCOPY

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Calcium fluoride additive was used to produce high thermal conductivity AlN ceramics which has no grain boundary phase. Thermal conductivity of AlN is determined by the point defect, represented as oxygen related defect, with in the AlN grain. The defect density characterization of high thermal conductivity CaF2 doped AlN ceramics after heat treatment was conducted by Raman spectroscopy. As measure Raman linewidth broadening, the point defect density variation after heat treatment and corresponding thermal conductivity change was investigated
Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
Issue Date
2009-12
Language
English
Article Type
Article; Proceedings Paper
Keywords

ALUMINUM NITRIDE

Citation

MODERN PHYSICS LETTERS B, v.23, no.31-32, pp.3869 - 3876

ISSN
0217-9849
DOI
10.1142/S0217984909021934
URI
http://hdl.handle.net/10203/98379
Appears in Collection
MS-Journal Papers(저널논문)
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