Thermal Conductivity and Cathodoluminescence of AlN Ceramics Sintered with Ca3Al2O6 as Sintering Additive

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Aluminum nitride (AlN) ceramics with various amounts of Ca3Al2O6 (C3A) as a sintering additive were sintered at 1880°C for 50 h in N2 atmosphere. The thermal conductivity of AlN ceramics increased with increasing amount of C3A in the range from 0.5 to 4.8 mass%. Cathodoluminescence (CL) intensity attributed to oxygen-induced defects decreased with increasing amount of C3A. From the results, the increase of the thermal conductivity was considered to relate to the decrease of the oxygen-induced defects by increasing amount of C3A.

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Periodical:

Advanced Materials Research (Volumes 11-12)

Main Theme:

Edited by:

Masayuki Nogami, Riguang Jin, Toshihiro Kasuga and Wantai Yang

Pages:

179-182

DOI:

10.4028/www.scientific.net/AMR.11-12.179

Citation:

T. Honma et al., "Thermal Conductivity and Cathodoluminescence of AlN Ceramics Sintered with Ca3Al2O6 as Sintering Additive", Advanced Materials Research, Vols. 11-12, pp. 179-182, 2006

Online since:

February 2006

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$35.00

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