http://www.cnr.it/ontology/cnr/individuo/prodotto/ID321400
Magnetic properties of La0.67Sr0.33MnO3/BiFeO3(001) heterojunctions: Chemically abrupt vs. atomic intermixed interface (Articolo in rivista)
- Type
- Label
- Magnetic properties of La0.67Sr0.33MnO3/BiFeO3(001) heterojunctions: Chemically abrupt vs. atomic intermixed interface (Articolo in rivista) (literal)
- Anno
- 2012-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1209/0295-5075/100/67002 (literal)
- Alternative label
Neumann, R. F.; Bahiana, M.; Binggeli, N. (2012)
Magnetic properties of La0.67Sr0.33MnO3/BiFeO3(001) heterojunctions: Chemically abrupt vs. atomic intermixed interface
in Europhysics letters (Print)
(literal)
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- Neumann, R. F.; Bahiana, M.; Binggeli, N. (literal)
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- ISI Web of Science (WOS) (literal)
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- Universidade Federal do Rio de Janeiro; Abdus Salam International Centre for Theoretical Physics; IOM CNR DEMOCRITOS Natl Simulat Ctr (literal)
- Titolo
- Magnetic properties of La0.67Sr0.33MnO3/BiFeO3(001) heterojunctions: Chemically abrupt vs. atomic intermixed interface (literal)
- Abstract
- Using first-principles density-functional calculations, we address the magnetic properties of the ferromagnet/antiferromagnet La0.67Sr0.33MnO3/BiFeO3(001) heterojunctions, and investigate possible driving mechanisms for a ferromagnetic (FM) interfacial ordering of the Fe spins recently observed experimentally. We find that the chemically abrupt defect-free La0.67Sr0.33MnO3/BiFeO3(001) heterojunction displays, as ground state, an ordering with compensated Fe spins. Cation Fe/Mn intermixing at the interface tends to favour, instead, a FM interfacial order of the Fe spins, coupled antiferromagnetically to the bulk La0.67Sr0.33MnO3 spins, as observed experimentally. Such trends are understood based on a model description of the energetics of the exchange interactions. Copyright (c) EPLA, 2012 (literal)
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