Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/18925
Title: Effects of ferroelectric-poling-induced strain on magnetic and transport properties of La0.67Ba0.33MnO3 thin films grown on (111)-oriented ferroelectric substrates
Authors: Zhu, QX
Zheng, M
Yang, MM
Li, XM
Wang, Y 
Shi, X
Chan, HLW 
Luo, HS
Li, XG
Zheng, RK
Issue Date: 2013
Source: Applied physics letters, 2013, v. 103, no. 13, 132910, p. 132910-1-132910-5
Abstract: La0.67Ba0.33MnO3 thin films were epitaxially grown on (111)-oriented 0.31Pb(In1/2Nb 1/2)O3-0.35Pb(Mg1/3Nb2/3)O 3-0.34PbTiO3 ferroelectric single-crystal substrates. During ferroelectric poling and polarization rotation, the resistance of La 0.67Ba0.33MnO3 films tracks the electric-field-induced in-plane strain of substrates effectively, implying strain-mediated coupling. Upon poling along the [111] direction, ferromagnetism is suppressed for T < 175 K, but enhanced for T > 175 K, which is explained by magnetoelastic coupling that modifies the film's magnetic anisotropy. Our findings also show that the magnetic field has an opposite effect on the strain-tunability of resistance [i.e., (ΔR/R)strain] above and below the Curie temperature TC, which is interpreted within the framework of phase separation.
Publisher: American Institute of Physics
Journal: Applied physics letters 
ISSN: 0003-6951
EISSN: 1077-3118
DOI: 10.1063/1.4822269
Rights: © 2013 AIP Publishing LLC.
This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in Q. X. Zhu et al., Appl. Phys. Lett. 103, 132910 (2013) and may be found at https://dx.doi.org/10.1063/1.4822269
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