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Author:

张飞鹏 (张飞鹏.) | 张忻 (张忻.) | 路清梅 (路清梅.) | 刘燕琴 (刘燕琴.) | 张久兴 (张久兴.) (Scholars:张久兴)

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Abstract:

采用柠檬酸溶胶凝胶结合陶瓷烧结工艺制备了Ca位置换Fe的Ca1-xFexMnO3(x=0-0.12)氧化物粉末及块体试样,通过X射线衍射及电参数测试分析了所得试样.实验结果表明:在实验范围内,所有试样呈单一物相,Ca位置换Fe之后随置换量的增加,CaMnO3的晶胞逐渐变小,晶粒长大受到抑制.测试温度范围内所有试样均呈半导体输运特性,电输运机制未发生变化;当x在0—0.12范围内Fe置换使极化子跃迁能提高,试样各温度点的电阻率随着Fe置换量x的增加而提高.

Keyword:

CaMnO3 Fe置换 电输运

Author Community:

  • [ 1 ] [张飞鹏]北京工业大学
  • [ 2 ] [张忻]北京工业大学
  • [ 3 ] [路清梅]北京工业大学
  • [ 4 ] [刘燕琴]北京工业大学
  • [ 5 ] [张久兴]北京工业大学

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Source :

物理学报

ISSN: 1000-3290

Year: 2011

Issue: 8

Volume: 60

Page: 614-618

1 . 0 0 0

JCR@2022

ESI Discipline: PHYSICS;

JCR Journal Grade:2

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 2

Chinese Cited Count:

30 Days PV: 6

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