Artificial Superlattice Thin Film of Infinite-Layer Structure [CaFeO2]/[SrFeO2]

被引：8
|
作者：
Matsumoto, Kazuya [1 ]
Haruta, Mitsutaka [1 ]
Kawai, Masanori [1 ]
Sakaiguchi, Aya [1 ]
Ichikawa, Noriya [1 ]
Kurata, Hiroki [1 ]
Shimakawa, Yuichi [1 ]
机构：
[1] Kyoto Univ, Inst Chem Res, Kyoto 6110011, Japan
来源：
APPLIED PHYSICS EXPRESS | 2010年 / 3卷 / 10期
关键词：
SQUARE-PLANAR COORDINATION; IRON-OXIDE; TEMPERATURE; INTERFACES; TRANSITION;
D O I：
10.1143/APEX.3.105601
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
An infinite-layer structure artificial superlattice thin film, [CaFeO2]/[SrFeO2], was prepared by low-temperature reduction of a brownmillerite-structure artificial superlattice thin film [CaFeO2.5]/[SrFeO2.5] grown on a SrTiO3(001) substrate. Both the CaFeO2.5 and SrFeO2.5 brownmillerite structures changed to the infinite-layer structures and unusual square-planar-coordination FeO2 plane was stabilized in the infinite-layer superlattice. The low-temperature reduction technique is useful for making superlattices that cannot be made by simply depositing a film. (C) 2010 The Japan Society of Applied Physics
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页数：3
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