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標題Title: Sintering and Microwave Dielectric Characteristics of ZnTa2−xNbxO6 Ceramics
作者Authors: 鄭建民,Ying-Chung Chen..等
上傳單位Department: 電子工程系
上傳時間Date: 2009-11-24
上傳者Author: 鄭建民
審核單位Department: 電子工程系
審核老師Teacher: 鄭建民
檔案類型Categories: 論文Thesis
關鍵詞Keyword: ZnTa2−xNbxO6, Microwave dielectric characteristics, Nb2O5 content
摘要Abstract: The effects of Nb2O5 content upon the microwave characteristics of ZnTa2−xNbxO6 ceramics are investigated. The appropriate sintering temperatures of ZnTa2−xNbxO6 ceramics slightly decrease with the increase of Nb2O5 content, and the densities and dielectric constants of ZnTa2−xNbxO6 ceramics linearly decrease with the increase of Nb2O5 content. As the Nb2O5 content increases, the Q×f value of ZnTa2−xNbxO6 ceramic first decreases, reaches a minimum value at x=1.0, then increases and reaches a maximum value at x=2.0. The τf values of ZnTa2−xNbxO6 ceramics are positive for x≤0.3, and change to
negative ones as x≥0.6.

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