Synthesis of single-crystal La0.67Sr0.33MnO3 freestanding films with different crystal-orientation

被引：51

作者：

Lu, Zengxing ^{[1
,2
]}

Liu, Jingwu ^{[1
,2
,3
]}

Feng, Jiatai ^{[1
,2
]}

Zheng, Xuan ^{[1
,2
,4
]}

Yang, Li-hong ^{[5
]}

Ge, Chen ^{[5
]}

Jin, Kui-juan ^{[5
]}

Wang, Zhiming ^{[1
,2
,6
]}

Li, Run-Wei ^{[1
,2
,6
]}

机构：

[1] Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, CAS Key Lab Magnet Mat & Devices, Ningbo 315201, Peoples R China

[2] Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Zhejiang Prov Key Lab Magnet Mat & Applicat Techn, Ningbo 315201, Peoples R China

[3] Univ Sci & Technol China, Nano Sci & Technol Inst, Hefei 230026, Peoples R China

[4] Univ Nottingham Ningbo China, New Mat Inst, Ningbo 315100, Peoples R China

[5] Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China

[6] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China

来源：

APL MATERIALS | 2020年 / 8卷 / 05期

基金：

中国博士后科学基金; 中国国家自然科学基金;

关键词：

MULTIFERROICS; PROGRESS;

D O I：

10.1063/1.5145029

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We report the synthesis of single-crystal La0.67Sr0.33MnO3 (LSMO) freestanding films with different crystal orientations. By using pulsed laser deposition, water soluble perovskite-like sacrificial layers Sr3Al2O6 (SAO) followed by LSMO films are grown on differently oriented SrTiO3 substrates. Freestanding LSMO films with different orientations are obtained by etching the SAO in pure water. All the freestanding films show room-temperature ferromagnetism and metallicity, independent of the crystal orientation. Intriguingly, the Curie temperature (T-C) of the freestanding films is increased due to strain relaxation after releasing from the substrates. Our results provide an additional degree of freedom to tailor the properties of freestanding perovskite oxide heterostructures by crystal orientation and an opportunity to further integrate different oriented films together.

引用

页数：6

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