Dielectric Property of Laminated AlN/BN Ceramic Composites

Abstract:

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The relationship between the processing technology and the dielectric property of the laminated AlN/h-BN ceramic composites has been studied. The results showed that the main polarization mechanism of laminated ceramic composites in low frequency range is space charge polarization at the interface of AlN layer and BN layer. Due to the affection of porosity, the permittivity increases and the dielectric loss decreases with increasing the hot pressing temperature. The permittivity increases and the dielectric loss decreases with increasing thickness ratio of different layer., Both permittivity and dielectric loss increase with increasing the content of AlN doping in BN layer.

Info:

Periodical:

Materials Science Forum (Volumes 620-622)

Edited by:

Hyungsun Kim, JienFeng Yang, Tohru Sekino and Soo Wohn Lee

Pages:

359-362

DOI:

10.4028/www.scientific.net/MSF.620-622.359

Citation:

T. Zhang et al., "Dielectric Property of Laminated AlN/BN Ceramic Composites", Materials Science Forum, Vols. 620-622, pp. 359-362, 2009

Online since:

April 2009

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Price:

$35.00

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