Anomalous Electronic Anisotropy Triggered by Ferroelastic Coupling in Multiferroic Heterostructures

Changcheng Ju; Jan Chi Yang; Cheng Luo; Padraic Shafer; Heng Jui Liu; Yen Lin Huang; Ho Hung Kuo; Fei Xue; Chih Wei Luo; Qing He; Pu Yu; Elke Arenholz; Long Qing Chen; Jinsong Zhu; Xiaomei Lu; Ying Hao Chu

doi:10.1002/adma.201502743

Anomalous Electronic Anisotropy Triggered by Ferroelastic Coupling in Multiferroic Heterostructures

Changcheng Ju, Jan Chi Yang, Cheng Luo, Padraic Shafer, Heng Jui Liu, Yen Lin Huang, Ho Hung Kuo, Fei Xue, Chih Wei Luo, Qing He, Pu Yu, Elke Arenholz, Long Qing Chen, Jinsong Zhu, Xiaomei Lu, Ying Hao Chu

Research output: Contribution to journal › Article

14 Scopus citations

Abstract

The ferroelastic strain coupling is predicted in perovskite heterostructures by phase-field modeling and evidence the coupling by X-ray diffraction and soft X-ray scattering. By controlling both substrate and electrostatic boundary conditions, the solid control of 109° or 71°-type periodic domain structures has been demonstrated. The 71° BFO domain structures were grown on SrRuO₃(SRO)-buffered (110) DyScO₃(DSO) substrates by pulsed laser deposition at 720 °C with 100 mTorr oxygen and then the LSMO thin film were in situ deposited on BFO with 200 mTorr oxygen. The morphology and ferroelectric domain structure of 71° striped BiFeO₃ (BFO) ferroelectric domains and La_0.7Sr_0.3MnO₃ (LSMO) layers were mapped via PFM mode in Multimode VIII. The ferroelastic domain walls could modulate the strain variance in LSMO, leading to large anisotropic resistivity and even the coexistence of different transport states. These findings can be utilized to establish new multifunctional devices in other strongly correlated systems, involving the anisotropy of superconductivity, Hall effects, nonlinear optics, and other emergent behaviors.

Original language	English (US)
Pages (from-to)	876-883
Number of pages	8
Journal	Advanced Materials
Volume	28
Issue number	5
DOIs	https://doi.org/10.1002/adma.201502743
State	Published - Jan 1 2016

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All Science Journal Classification (ASJC) codes

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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Ju, C., Yang, J. C., Luo, C., Shafer, P., Liu, H. J., Huang, Y. L., Kuo, H. H., Xue, F., Luo, C. W., He, Q., Yu, P., Arenholz, E., Chen, L. Q., Zhu, J., Lu, X., & Chu, Y. H. (2016). Anomalous Electronic Anisotropy Triggered by Ferroelastic Coupling in Multiferroic Heterostructures. Advanced Materials, 28(5), 876-883. https://doi.org/10.1002/adma.201502743

Ju, Changcheng ; Yang, Jan Chi ; Luo, Cheng ; Shafer, Padraic ; Liu, Heng Jui ; Huang, Yen Lin ; Kuo, Ho Hung ; Xue, Fei ; Luo, Chih Wei ; He, Qing ; Yu, Pu ; Arenholz, Elke ; Chen, Long Qing ; Zhu, Jinsong ; Lu, Xiaomei ; Chu, Ying Hao. / Anomalous Electronic Anisotropy Triggered by Ferroelastic Coupling in Multiferroic Heterostructures. In: Advanced Materials. 2016 ; Vol. 28, No. 5. pp. 876-883.

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abstract = "The ferroelastic strain coupling is predicted in perovskite heterostructures by phase-field modeling and evidence the coupling by X-ray diffraction and soft X-ray scattering. By controlling both substrate and electrostatic boundary conditions, the solid control of 109° or 71°-type periodic domain structures has been demonstrated. The 71° BFO domain structures were grown on SrRuO3(SRO)-buffered (110) DyScO3(DSO) substrates by pulsed laser deposition at 720 °C with 100 mTorr oxygen and then the LSMO thin film were in situ deposited on BFO with 200 mTorr oxygen. The morphology and ferroelectric domain structure of 71° striped BiFeO3 (BFO) ferroelectric domains and La0.7Sr0.3MnO3 (LSMO) layers were mapped via PFM mode in Multimode VIII. The ferroelastic domain walls could modulate the strain variance in LSMO, leading to large anisotropic resistivity and even the coexistence of different transport states. These findings can be utilized to establish new multifunctional devices in other strongly correlated systems, involving the anisotropy of superconductivity, Hall effects, nonlinear optics, and other emergent behaviors.",

author = "Changcheng Ju and Yang, {Jan Chi} and Cheng Luo and Padraic Shafer and Liu, {Heng Jui} and Huang, {Yen Lin} and Kuo, {Ho Hung} and Fei Xue and Luo, {Chih Wei} and Qing He and Pu Yu and Elke Arenholz and Chen, {Long Qing} and Jinsong Zhu and Xiaomei Lu and Chu, {Ying Hao}",

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Anomalous Electronic Anisotropy Triggered by Ferroelastic Coupling in Multiferroic Heterostructures. / Ju, Changcheng; Yang, Jan Chi; Luo, Cheng; Shafer, Padraic; Liu, Heng Jui; Huang, Yen Lin; Kuo, Ho Hung; Xue, Fei; Luo, Chih Wei; He, Qing; Yu, Pu; Arenholz, Elke; Chen, Long Qing; Zhu, Jinsong; Lu, Xiaomei; Chu, Ying Hao.

In: Advanced Materials, Vol. 28, No. 5, 01.01.2016, p. 876-883.

Research output: Contribution to journal › Article

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AU - Arenholz, Elke

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AU - Lu, Xiaomei

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N2 - The ferroelastic strain coupling is predicted in perovskite heterostructures by phase-field modeling and evidence the coupling by X-ray diffraction and soft X-ray scattering. By controlling both substrate and electrostatic boundary conditions, the solid control of 109° or 71°-type periodic domain structures has been demonstrated. The 71° BFO domain structures were grown on SrRuO3(SRO)-buffered (110) DyScO3(DSO) substrates by pulsed laser deposition at 720 °C with 100 mTorr oxygen and then the LSMO thin film were in situ deposited on BFO with 200 mTorr oxygen. The morphology and ferroelectric domain structure of 71° striped BiFeO3 (BFO) ferroelectric domains and La0.7Sr0.3MnO3 (LSMO) layers were mapped via PFM mode in Multimode VIII. The ferroelastic domain walls could modulate the strain variance in LSMO, leading to large anisotropic resistivity and even the coexistence of different transport states. These findings can be utilized to establish new multifunctional devices in other strongly correlated systems, involving the anisotropy of superconductivity, Hall effects, nonlinear optics, and other emergent behaviors.

AB - The ferroelastic strain coupling is predicted in perovskite heterostructures by phase-field modeling and evidence the coupling by X-ray diffraction and soft X-ray scattering. By controlling both substrate and electrostatic boundary conditions, the solid control of 109° or 71°-type periodic domain structures has been demonstrated. The 71° BFO domain structures were grown on SrRuO3(SRO)-buffered (110) DyScO3(DSO) substrates by pulsed laser deposition at 720 °C with 100 mTorr oxygen and then the LSMO thin film were in situ deposited on BFO with 200 mTorr oxygen. The morphology and ferroelectric domain structure of 71° striped BiFeO3 (BFO) ferroelectric domains and La0.7Sr0.3MnO3 (LSMO) layers were mapped via PFM mode in Multimode VIII. The ferroelastic domain walls could modulate the strain variance in LSMO, leading to large anisotropic resistivity and even the coexistence of different transport states. These findings can be utilized to establish new multifunctional devices in other strongly correlated systems, involving the anisotropy of superconductivity, Hall effects, nonlinear optics, and other emergent behaviors.

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10.1002/adma.201502743