Effects of Mn Doping on Dielectric Properties of BSTN Ceramics

Abstract:

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The effects of Mn doping on the phase composition and dielectric properties of (1-x)BaO·xSrO·0.7TiO2·0.3Nb2O5 (BSTN) composite ceramics was investigated. The results showed that the dielectric constants of 0.7BaO·0.3SrO·(0.7-z)TiO2·0.3Nb2O5·zMnO2 (BSTNM) composite ceramics basically decreases as the content of doped MnO2 increases at the same applied frequency, while tanδ decreases when value z≤0.01 but increases when value z>0.01. The phase transition temperature of tungsten bronze phase in BSTNM composite ceramics increases with the increase of value z.

Info:

Periodical:

Key Engineering Materials (Volumes 368-372)

Edited by:

Wei Pan and Jianghong Gong

Pages:

72-74

DOI:

10.4028/www.scientific.net/KEM.368-372.72

Citation:

X. Cheng and Z. H. Zhou, "Effects of Mn Doping on Dielectric Properties of BSTN Ceramics", Key Engineering Materials, Vols. 368-372, pp. 72-74, 2008

Online since:

February 2008

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Price:

$35.00

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