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Title: Room temperature ferromagnetic resonance in hetero-epitaxial BTO - BFO / LSMO magnetoelectric composite

Journal Article · · AIP Advances
DOI:https://doi.org/10.1063/1.5037165· OSTI ID:1609718
 [1];  [2]; ORCiD logo [2];  [2];  [3];  [1];  [1];  [1];  [2];  [3]
  1. Ecole Polytechnique, Palaiseau (France); Univ. Paris-Saclay (France). Lab. des Solides Irradie´s; Centre National de la Recherche Scientifique (CNRS), Paris (France)
  2. Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States). Center for Energy Harvesting Materials and Systems (CEHMS), Bio-Inspired Materials and Devices Lab. (BMDL)
  3. Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States)

We synthesized epitaxial BTO-BFO heterostructure with decreased leakage and simultaneously improved the multiferroic properties. This study provides new direction for ferromagnetic resonance studies, in high quality BTO-BFO films grown on LSMO. We observed small Gilbert damping (α=0.004) and the absence of large inhomogeneous broadening, in a film with 80 nm thickness of BTO-BFO on LSMO (110). This fact offers opportunities for employing this material system for spin transfer in multifunctional materials where controlling magnetization by a flow of spin angular momentum, or spin current, is crucial toward developing nanoscale spin-based memory and devices. Magnetic insulators, such as BTO-BFO on LSMO, are potentially excellent candidates for pure spin current without the existence of charge current.

Research Organization:
Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
FG02-06ER46290
OSTI ID:
1609718
Alternate ID(s):
OSTI ID: 1479840
Journal Information:
AIP Advances, Vol. 8, Issue 10; ISSN 2158-3226
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 8 works
Citation information provided by
Web of Science

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Cited By (1)

Coherent acoustic phonons and ultrafast carrier dynamics in hetero-epitaxial BaTiO 3 –BiFeO 3 films and nanorods journal January 2019