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Title: Electric-field-induced strain effects on the magnetization of a Pr0.67Sr0.33MnO3 film

Journal Article · · Physical Review. B, Condensed Matter and Materials Physics
 [1];  [2];  [1];  [1];  [3];  [3];  [1];  [1]
  1. National Univ. of Singapore (Singapore)
  2. Argonne National Lab. (ANL), Argonne, IL (United States)
  3. Brookhaven National Lab. (BNL), Upton, NY (United States)

The electric-field control of magnetic properties of Pr0.67Sr0.33MnO3 (PSMO) film on piezoelectric Pb(Mg1/3Nb2/3)O3-PbTiO3 (PMNT) substrate was investigated. The piezoelectric response of the PMNT substrate to the electric field produced strain that was coupled to the PSMO film. The in-plane compressive (tensile) strain increased (decreased) the magnetization. The change of magnetic moment was associated with the Mn ions. First principle simulations showed that the strain-induced electronic redistribution of the two eg orbitals (3dz2 and 3dx2-y2) of Mn ions was responsible for the change of magnetic moment. This work demonstrates that the magnetoelectric effect in manganite/piezoelectric hetero-structures originates from the change in eg orbital occupancy of Mn ions induced by strain rather than the interfacial effect.

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC00112704; AC02-06CH11357; AC02-98CH10886
OSTI ID:
1226033
Alternate ID(s):
OSTI ID: 1182853
Report Number(s):
BNL-108282-2015-JA; R&D Project: MA015MACA; KC0201010
Journal Information:
Physical Review. B, Condensed Matter and Materials Physics, Vol. 91, Issue 17; ISSN 1098-0121
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 6 works
Citation information provided by
Web of Science

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