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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