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Author:

Zang, Moyan (Zang, Moyan.) | Zheng, Mupeng (Zheng, Mupeng.) | Zhu, Mankang (Zhu, Mankang.) | Hou, Yudong (Hou, Yudong.)

Indexed by:

EI Scopus SCIE

Abstract:

Low-temperature co-fired ceramic (LTCC) technology can meet the requirements of device miniaturization and integration. In this work, a novel series of CaMoO4 + x wt.% Li2MoO4 (CMO+ xLMO, x = 0.0-2.5) microwave dielectric ceramics were prepared. The sintering temperature of CMO ceramic significantly declines from 1050 degrees C to 600 degrees C by adding a small amount of LMO. A dissolution-precipitation process at the grain boundary has been demonstrated to be the mechanism for low-temperature sintering through transmission electron microscopy analysis. The low-temperature sintered CMO ceramics present excellent microwave dielectric properties, e.g. CMO+ 1.0 wt.% LMO ceramics sintered at 600 degrees C, er - 14.4, Qxf - 13,060 GHz, rf - - 41.0 ppm/degrees C; CMO+ 2.5 wt.% LMO ceramics sintered at 700 degrees C, epsilon r - 15.1, Qxf - 16,122 GHz, rf - - 43.8 ppm/degrees C, which show great potentials in both LTCC and ULTCC applications.

Keyword:

Microwave dielectric properties ULTCC Li2MoO4 CaMoO4 Liquid phase sintering

Author Community:

  • [ 1 ] [Zang, Moyan]Beijing Univ Technol, Fac Mat & Mfg, Minist Educ, Key Lab Adv Funct Mat, Beijing 100124, Peoples R China
  • [ 2 ] [Zheng, Mupeng]Beijing Univ Technol, Fac Mat & Mfg, Minist Educ, Key Lab Adv Funct Mat, Beijing 100124, Peoples R China
  • [ 3 ] [Zhu, Mankang]Beijing Univ Technol, Fac Mat & Mfg, Minist Educ, Key Lab Adv Funct Mat, Beijing 100124, Peoples R China
  • [ 4 ] [Hou, Yudong]Beijing Univ Technol, Fac Mat & Mfg, Minist Educ, Key Lab Adv Funct Mat, Beijing 100124, Peoples R China

Reprint Author's Address:

  • [Zheng, Mupeng]Beijing Univ Technol, Fac Mat & Mfg, Minist Educ, Key Lab Adv Funct Mat, Beijing 100124, Peoples R China;;

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Source :

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY

ISSN: 0955-2219

Year: 2024

Issue: 1

Volume: 44

Page: 293-301

5 . 7 0 0

JCR@2022

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:3

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 25

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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