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Author:

张飞鹏 (张飞鹏.) | 段坤杰 (段坤杰.) | 曾宏 (曾宏.) | 张久兴 (张久兴.)

Indexed by:

EI Scopus SCIE PKU CSCD

Abstract:

采用溶胶-凝胶结合放电等离子烧结的方法制备了Ba, Ag双掺杂的BaxAgyCa2.8Co4O9块体热电氧化物材料,利用X射线衍射仪,扫描电子显微镜和热参数测试仪分析了所得样品的物相、微观组织结构和热输运性能.结果表明,通过Ba, Ag双掺杂有效调制了Ca3 Co4 O9的热传输性能,增加Ba掺杂量能有效降低其热导率.分析结果表明, Ba, Ag双掺杂对热导率的调制来源于对晶格热导率的调制,其中Ba, Ag等量掺杂所得样品热导率最低,其总热导率和晶格热导率在973 K时分别达到了1.43 W/mK和1.10 W/mK.

Keyword:

Ca3Co4O9 双掺杂 热导率

Author Community:

  • [ 1 ] [张飞鹏]河南城建学院
  • [ 2 ] [段坤杰]河南城建学院
  • [ 3 ] [曾宏]中国钢研科技集团安泰科技股份有限公司
  • [ 4 ] [张久兴]北京工业大学

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Source :

物理学报

ISSN: 1000-3290

Year: 2013

Issue: 18

Page: 411-415

1 . 0 0 0

JCR@2022

ESI Discipline: PHYSICS;

JCR Journal Grade:3

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 1

Chinese Cited Count:

30 Days PV: 1

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