Controlled B-site ordering in Sr2CrReO6 double perovskite films by using pulsed laser interval deposition

被引：25

作者：

Chakraverty, S. ^{[1
]}

Ohtomo, A. ^{[2
]}

Kawasaki, M. ^{[1
,3
,4
]}

机构：

[1] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan

[2] Tokyo Inst Technol, Dept Appl Chem, Tokyo 1528552, Japan

[3] Tohoku Univ, WPI Adv Inst Mat Res, Sendai, Miyagi 9808577, Japan

[4] Japan Sci & Technol Agcy, CREST, Tokyo 1020075, Japan

来源：

APPLIED PHYSICS LETTERS | 2010年 / 97卷 / 24期

关键词：

THIN-FILMS; CURIE-TEMPERATURE; GROWTH;

D O I：

10.1063/1.3525578

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have investigated the effects of growth interval in pulsed laser deposition on structural, magnetic, and electrical transport properties of (111)-oriented Sr2CrReO6 double perovskite films. It was found that the degree of B-site ordering varied in a wide range by just changing the growth interval. Magnetization under 1 T and metallicity (the ratio of room-temperature resistivity to minimum resistivity at low temperatures) monotonically increased with increasing degree of ordering and reached values nearly identical to bulk. This technique, called pulsed laser interval deposition, may provide more efficient way to study relations between structural and physical properties in double perovskites than controlling growth parameters, such as temperature and oxygen partial pressure. (C) 2010 American Institute of Physics. [doi:10.1063/1.3525578]

引用

页数：3

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