Field-dependent magnetization of BiFeO3 in ultrathin La0.7Sr0.3MnO3/BiFeO3 superlattice
Abstract
Here, we report the observation of field-dependent magnetization of BiFeO3 (BFO) in an ultrathin BFO/La0.7Sr0.3MnO3 (LSMO) superlattice using polarized neutron reflectivity (PNR). Our PNR results indicate parallel alignment of magnetization across BFO/LSMO interfaces. The study showed an increase in average magnetization of the BFO layer on increasing applied magnetic field at 10 K, similar to the ferromagnetic nature of LSMO. We obtained a saturation magnetization of 110 ± 15kA/m(~0.8μB/Fe) for an ultrathin BFO layer (~2 unit cells) sandwiched between ultrathin LSMO layers (~2 unit cells), which is much higher than the canted moment (0.03μB/Fe) in the bulk BFO.
- Authors:
-
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Bhabha Atomic Research Centre, Mumbai (India)
- Publication Date:
- Research Org.:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1235821
- Alternate Identifier(s):
- OSTI ID: 1227752; OSTI ID: 1321773; OSTI ID: 1332075
- Report Number(s):
- LA-UR-15-29159
Journal ID: ISSN 1098-0121; PRBMDO
- Grant/Contract Number:
- AC05-00OR22725; AC52-06NA25396
- Resource Type:
- Journal Article: Accepted Manuscript
- Journal Name:
- Physical Review. B, Condensed Matter and Materials Physics
- Additional Journal Information:
- Journal Volume: 92; Journal Issue: 22; Journal ID: ISSN 1098-0121
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 74 ATOMIC AND MOLECULAR PHYSICS; interface magnetic moment; multiferroic and complex oxide hetrostructures; 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; material science; thin films, neutron diffraction, multiferroics
Citation Formats
Fitzsimmons, Michael R., Jia, Quanxi X., Singh, Surendra, Chen, A. P., and Xiong, J. Field-dependent magnetization of BiFeO3 in ultrathin La0.7Sr0.3MnO3/BiFeO3 superlattice. United States: N. p., 2015.
Web. doi:10.1103/PhysRevB.92.224405.
Fitzsimmons, Michael R., Jia, Quanxi X., Singh, Surendra, Chen, A. P., & Xiong, J. Field-dependent magnetization of BiFeO3 in ultrathin La0.7Sr0.3MnO3/BiFeO3 superlattice. United States. https://doi.org/10.1103/PhysRevB.92.224405
Fitzsimmons, Michael R., Jia, Quanxi X., Singh, Surendra, Chen, A. P., and Xiong, J. 2015.
"Field-dependent magnetization of BiFeO3 in ultrathin La0.7Sr0.3MnO3/BiFeO3 superlattice". United States. https://doi.org/10.1103/PhysRevB.92.224405. https://www.osti.gov/servlets/purl/1235821.
@article{osti_1235821,
title = {Field-dependent magnetization of BiFeO3 in ultrathin La0.7Sr0.3MnO3/BiFeO3 superlattice},
author = {Fitzsimmons, Michael R. and Jia, Quanxi X. and Singh, Surendra and Chen, A. P. and Xiong, J.},
abstractNote = {Here, we report the observation of field-dependent magnetization of BiFeO3 (BFO) in an ultrathin BFO/La0.7Sr0.3MnO3 (LSMO) superlattice using polarized neutron reflectivity (PNR). Our PNR results indicate parallel alignment of magnetization across BFO/LSMO interfaces. The study showed an increase in average magnetization of the BFO layer on increasing applied magnetic field at 10 K, similar to the ferromagnetic nature of LSMO. We obtained a saturation magnetization of 110 ± 15kA/m(~0.8μB/Fe) for an ultrathin BFO layer (~2 unit cells) sandwiched between ultrathin LSMO layers (~2 unit cells), which is much higher than the canted moment (0.03μB/Fe) in the bulk BFO.},
doi = {10.1103/PhysRevB.92.224405},
url = {https://www.osti.gov/biblio/1235821},
journal = {Physical Review. B, Condensed Matter and Materials Physics},
issn = {1098-0121},
number = 22,
volume = 92,
place = {United States},
year = {Wed Dec 02 00:00:00 EST 2015},
month = {Wed Dec 02 00:00:00 EST 2015}
}
Web of Science
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