Tuning magnetic and optical properties through strain in epitaxial LaCrO3thin films

Yogesh Sharma; Binod Paudel; Jegon Lee; Woo Seok Choi; Zhenzhong Yang; Han Wang; Yingge Du; Kyeong Tae Kang; Ghanshyam Pilania; Aiping Chen

doi:10.1063/5.0058678

Tuning magnetic and optical properties through strain in epitaxial LaCrO₃thin films

Yogesh Sharma, Binod Paudel, Jegon Lee, Woo Seok Choi, Zhenzhong Yang, Han Wang, Yingge Du, Kyeong Tae Kang, Ghanshyam Pilania, Aiping Chen

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

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.

Original language	English
Article number	071902
Journal	Applied Physics Letters
Volume	119
Issue number	7
DOIs	https://doi.org/10.1063/5.0058678
State	Published - 16 Aug 2021

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title = "Tuning magnetic and optical properties through strain in epitaxial LaCrO3thin films",

abstract = "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.",

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T1 - Tuning magnetic and optical properties through strain in epitaxial LaCrO3thin films

AU - Sharma, Yogesh

AU - Paudel, Binod

AU - Lee, Jegon

AU - Choi, Woo Seok

AU - Yang, Zhenzhong

AU - Wang, Han

AU - Du, Yingge

AU - Kang, Kyeong Tae

AU - Pilania, Ghanshyam

AU - Chen, Aiping

PY - 2021/8/16

Y1 - 2021/8/16

N2 - 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.

AB - 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.

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VL - 119

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Tuning magnetic and optical properties through strain in epitaxial LaCrO₃thin films

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