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 journalArticle

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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.

Original languageEnglish (US)
Pages (from-to)876-883
Number of pages8
JournalAdvanced Materials
Volume28
Issue number5
DOIs
StatePublished - Jan 1 2016

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Ferroelectric materials
Heterojunctions
Anisotropy
Oxygen
Nonlinear optics
Domain walls
Hall effect
Substrates
Pulsed laser deposition
Superconductivity
X ray scattering
Perovskite
Electrostatics
Boundary conditions
X ray diffraction
Thin films
perovskite

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Ju, C., Yang, J. C., Luo, C., Shafer, P., Liu, H. J., Huang, Y. L., ... 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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Ju, C, Yang, JC, Luo, C, Shafer, P, Liu, HJ, Huang, YL, Kuo, HH, Xue, F, Luo, CW, He, Q, Yu, P, Arenholz, E, Chen, L, Zhu, J, Lu, X & Chu, YH 2016, 'Anomalous Electronic Anisotropy Triggered by Ferroelastic Coupling in Multiferroic Heterostructures', Advanced Materials, vol. 28, no. 5, pp. 876-883. https://doi.org/10.1002/adma.201502743

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 journalArticle

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T1 - Anomalous Electronic Anisotropy Triggered by Ferroelastic Coupling in Multiferroic Heterostructures

AU - Ju, Changcheng

AU - Yang, Jan Chi

AU - Luo, Cheng

AU - Shafer, Padraic

AU - Liu, Heng Jui

AU - Huang, Yen Lin

AU - Kuo, Ho Hung

AU - Xue, Fei

AU - Luo, Chih Wei

AU - He, Qing

AU - Yu, Pu

AU - Arenholz, Elke

AU - Chen, Long-qing

AU - Zhu, Jinsong

AU - Lu, Xiaomei

AU - Chu, Ying Hao

PY - 2016/1/1

Y1 - 2016/1/1

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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