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Title: Induced Ti magnetization at La0.7Sr0.3MnO3 and BaTiO3 interfaces

Abstract

In artificial multiferroics hybrids consisting of ferromagnetic La0.7Sr0.3MnO3 (LSMO) and ferroelectric BaTiO3 epitaxial layers, net Ti moments are found from polarized resonant soft x-ray reflectivity and absorption. The Ti dichroic reflectivity follows the Mn signal during the magnetization reversal, indicating exchange coupling between the Ti and Mn ions. However, the Ti dichroic reflectivity shows stronger temperature dependence than the Mn dichroic signal. Lastly, besides a reduced ferromagnetic exchange coupling in the interfacial LSMO layer, this may also be attributed to a weak Ti-Mn exchange coupling that is insufficient to overcome the thermal energy at elevated temperatures.

Authors:
ORCiD logo [1]; ORCiD logo [2];  [3]; ORCiD logo [3];  [3];  [4];  [4]; ORCiD logo [2];  [2]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Argonne National Lab. (ANL), Argonne, IL (United States)
  2. Complutense University of Madrid (Spain)
  3. Argonne National Lab. (ANL), Argonne, IL (United States)
  4. Diamond Light Source, Didcot (United Kingdom)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1248790
Alternate Identifier(s):
OSTI ID: 1258773; OSTI ID: 1352669
Grant/Contract Number:  
AC05-00OR22725; AC02-06CH11357
Resource Type:
Accepted Manuscript
Journal Name:
APL Materials
Additional Journal Information:
Journal Volume: 4; Journal Issue: 4; Journal ID: ISSN 2166-532X
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; reflectivity; ferromagnetism; interfacial properties; magnetic resonance; X-ray absorption spectra

Citation Formats

Liu, Yaohua, Tornos, J., te Velthuis, S. G. E., Freeland, J. W., Zhou, H., Steadman, P., Bencok, P., Leon, C., and Santamaria, J. Induced Ti magnetization at La0.7Sr0.3MnO3 and BaTiO3 interfaces. United States: N. p., 2016. Web. doi:10.1063/1.4946756.
Liu, Yaohua, Tornos, J., te Velthuis, S. G. E., Freeland, J. W., Zhou, H., Steadman, P., Bencok, P., Leon, C., & Santamaria, J. Induced Ti magnetization at La0.7Sr0.3MnO3 and BaTiO3 interfaces. United States. https://doi.org/10.1063/1.4946756
Liu, Yaohua, Tornos, J., te Velthuis, S. G. E., Freeland, J. W., Zhou, H., Steadman, P., Bencok, P., Leon, C., and Santamaria, J. Fri . "Induced Ti magnetization at La0.7Sr0.3MnO3 and BaTiO3 interfaces". United States. https://doi.org/10.1063/1.4946756. https://www.osti.gov/servlets/purl/1248790.
@article{osti_1248790,
title = {Induced Ti magnetization at La0.7Sr0.3MnO3 and BaTiO3 interfaces},
author = {Liu, Yaohua and Tornos, J. and te Velthuis, S. G. E. and Freeland, J. W. and Zhou, H. and Steadman, P. and Bencok, P. and Leon, C. and Santamaria, J.},
abstractNote = {In artificial multiferroics hybrids consisting of ferromagnetic La0.7Sr0.3MnO3 (LSMO) and ferroelectric BaTiO3 epitaxial layers, net Ti moments are found from polarized resonant soft x-ray reflectivity and absorption. The Ti dichroic reflectivity follows the Mn signal during the magnetization reversal, indicating exchange coupling between the Ti and Mn ions. However, the Ti dichroic reflectivity shows stronger temperature dependence than the Mn dichroic signal. Lastly, besides a reduced ferromagnetic exchange coupling in the interfacial LSMO layer, this may also be attributed to a weak Ti-Mn exchange coupling that is insufficient to overcome the thermal energy at elevated temperatures.},
doi = {10.1063/1.4946756},
journal = {APL Materials},
number = 4,
volume = 4,
place = {United States},
year = {Fri Apr 01 00:00:00 EDT 2016},
month = {Fri Apr 01 00:00:00 EDT 2016}
}

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Works referencing / citing this record:

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Strain induced extrinsic magnetocaloric effects in La 0.67 Sr 0.33 MnO 3 thin films, controlled by magnetic field
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Strain induced extrinsic magnetocaloric effects in La 0.67 Sr 0.33 MnO 3 thin films, controlled by magnetic field
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