Tuning magnetic and optical properties through strain in epitaxial LaCrO3 thin films

被引：5

作者：

Sharma, Yogesh ^{[1
]}

Paudel, Binod ^{[1
,2
]}

Lee, Jegon ^{[3
]}

Choi, Woo Seok ^{[3
]}

Yang, Zhenzhong ^{[4
]}

Wang, Han ^{[4
]}

Du, Yingge ^{[4
]}

Kang, Kyeong Tae ^{[1
]}

Pilania, Ghanshyam ^{[5
]}

Chen, Aiping ^{[1
]}

机构：

[1] Los Alamos Natl Lab, Ctr Integrated Nanotechnol CINT, Los Alamos, NM 87545 USA

[2] New Mexico State Univ, Dept Phys, Las Cruces, NM 88003 USA

[3] Sungkyunkwan Univ, Dept Phys, Suwon 16419, South Korea

[4] Pacific Northwest Natl Lab, Phys Sci Div, Phys & Computat Sci Directorate, Richland, WA 99352 USA

[5] Los Alamos Natl Lab, Mat Sci & Technol Div, Los Alamos, NM 87545 USA

来源：

APPLIED PHYSICS LETTERS | 2021年 / 119卷 / 07期

基金：

新加坡国家研究基金会;

关键词：

RARE-EARTH; OXYGEN VACANCY; BAND-GAP; ORTHOCHROMITES; 1ST-PRINCIPLES;

D O I：

10.1063/5.0058678

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report on the effect of epitaxial strain on magnetic and optical properties of perovskite LaCrO3 (LCO) single crystal thin films. Epitaxial LCO thin films are grown by pulsed laser deposition on proper choice of substrates to impose different strain states. A combined experimental and theoretical approach is used to demonstrate the direct correlation between lattice-strain and functional properties. The magnetization results show that the lattice anisotropy plays a critical role in controlling the magnetic behavior of LCO films. The strain induced tetragonality in the film lattice strongly affects the optical transitions and charge transfer gap in LCO. This study opens possibilities to tailor the functional properties of LCO and related materials by strain engineering in epitaxial growth.

引用

页数：6

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