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 language | English (US) |
|---|---|
| Pages (from-to) | 876-883 |
| Number of pages | 8 |
| Journal | Advanced Materials |
| Volume | 28 |
| Issue number | 5 |
| DOIs | |
| 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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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
TY - JOUR
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.
UR - http://www.scopus.com/inward/record.url?scp=84956644713&partnerID=8YFLogxK
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U2 - 10.1002/adma.201502743
DO - 10.1002/adma.201502743
M3 - Article
AN - SCOPUS:84956644713
VL - 28
SP - 876
EP - 883
JO - Advanced Materials
JF - Advanced Materials
SN - 0935-9648
IS - 5
ER -