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Abstract:
用热分解法合成La0.8Me0.2MnO3(Me:Na,K,Ca,Sr,Ba)和La0.8Sr0.2Mn0.7M0.3O3(M:Fe,Co,Ni,Cu)系列的钙钛矿型复合氧化物,用TPD方法研究部分取代对样品的氧吸-脱附性能的影响.对于La0.8Me0.2MnO3系列,氧的吸-脱附特性由A位的离子半径、价态和物化性质决定.对于B位取代基活性与可脱α氧量并不成比例关系,其活性的决定因素可能是B位离子的自氧化还原循环能力.
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华侨大学学报(自然科学版)
ISSN: 1000-5013
CN: 35-1079/N
Year: 2000
Issue: 4
Volume: 21
Page: 399-403
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: 3
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