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作者:

Zhang Fei-Peng (Zhang Fei-Peng.) | Zhang Xin (Zhang Xin.) | Lu Qing-Mei (Lu Qing-Mei.) | Liu Yan-Qin (Liu Yan-Qin.) | Zhang Jiu-Xing (Zhang Jiu-Xing.)

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Scopus SCIE PKU CSCD

摘要:

The Fe doped Ca1-xFexMnO3 (x = 0-0.12) powder and bulk samples are fabricated by citric acid sol-gel and ceramic preparation process, the samples are analzed by X-ray diffraction pattern and electrical constant measurement. The results show that all samples are of single phase, the lattice constants are gradually lowered by Fe doping for Ca site, and the crystalline grain growth is restrained. All the bulk samples have semiconductor transporting characteristics in the whole temperature range of measurement. The transportation mechanism is not changed. The energy for polarons to hop is increased for doped samples and thus the electrical resistivity is increased by increasing Fe doping concentration.

关键词:

CaMnO3 electrical transportation Fe doping

作者机构:

  • [ 1 ] [Zhang Fei-Peng]Beijing Univ Technol, Key Lab Adv Funct Mat, Minist Educ, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 2 ] [Zhang Xin]Beijing Univ Technol, Key Lab Adv Funct Mat, Minist Educ, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 3 ] [Lu Qing-Mei]Beijing Univ Technol, Key Lab Adv Funct Mat, Minist Educ, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 4 ] [Liu Yan-Qin]Beijing Univ Technol, Key Lab Adv Funct Mat, Minist Educ, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 5 ] [Zhang Jiu-Xing]Beijing Univ Technol, Key Lab Adv Funct Mat, Minist Educ, Coll Mat Sci & Engn, Beijing 100124, Peoples R China

通讯作者信息:

  • [Zhang Fei-Peng]Beijing Univ Technol, Key Lab Adv Funct Mat, Minist Educ, Coll Mat Sci & Engn, Beijing 100124, Peoples R China

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来源 :

ACTA PHYSICA SINICA

ISSN: 1000-3290

年份: 2011

期: 8

卷: 60

1 . 0 0 0

JCR@2022

ESI学科: PHYSICS;

ESI高被引阀值:182

JCR分区:2

中科院分区:4

被引次数:

WoS核心集被引频次: 3

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