Journal
APPLIED PHYSICS LETTERS
Volume 100, Issue 23, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4726427
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Funding
- National Science Foundation (NSF) through Materials Research Science and Engineering Center (NSF) [0820521]
- U.S. Department of Energy, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering (DOE) [DE-SC0004876]
- Army Research Office [W911NF-10-1-0362]
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [0820521] Funding Source: National Science Foundation
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We report large (>10%) magnetization modulation by ferroelectric polarization reversal in the ferroelectric-ferromagnetic BaTiO3/La0.67Sr0.33MnO3 (BTO/LSMO) heterostructures. We find that the electrically induced change in magnetization is limited to the BTO/LSMO interface but extends about 3 nm deep into the LSMO layer-far beyond the expected screening length of metallic LSMO. It is suggested that this effect is due to a metal-insulator transition occurring at the BTO/LSMO interface as a result of electrostatic doping. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4726427]
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