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author:

林清平 (林清平.) [1] | 汤德平 (汤德平.) [2] (Scholars:汤德平) | 郑兴华 (郑兴华.) [3] (Scholars:郑兴华)

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Abstract:

采用固相反应法制备了富钛BaTi4+xO9+2x(x=0.0-0.50)微波介质陶瓷,探讨了TiO2含量以及烧结温度对物相组成和介电性能的影响.在1300~1350 ℃烧结BaTi4+xO9+2x陶瓷即可达到约98%的相对密度.当x≤0.28时,BaTi4+xO9+2x陶瓷为BaTi4O9单相.随TiO2含量的增加,BaTi4+xO9+2x陶瓷从BaTi4O9单相逐渐转变成以BaTi4O9为主相,同时出现TiO2和Ba2Ti9O20相,并且随烧结温度提高,TiO2含量较多的试样中出现更多的Ba2Ti9O20相.随TiO2含量的增加介电常数逐渐增大,而Qf值呈下降趋势.Qf值从x=0.0时的约40 000 GHz逐渐降低至x=0.50时的15 000 GHz.

Keyword:

BaTi4O9 介电性能 微波介质陶瓷 物相分析

Community:

  • [ 1 ] [林清平]福州大学
  • [ 2 ] [汤德平]福州大学
  • [ 3 ] [郑兴华]福州大学

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Source :

稀有金属材料与工程

ISSN: 1002-185X

CN: 61-1154/TG

Year: 2007

Issue: z1

Volume: 36

Page: 484-486

0 . 2 8 6

JCR@2007

0 . 6 0 0

JCR@2023

ESI Discipline: MATERIALS SCIENCE;

JCR Journal Grade:3

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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