Superlattice periodicity and magnetic properties of Ba2FeMoO6/Ba0.5Sr0.5TiO3 system

Superlattice (SL) structures of Ba2FeMoO6/Ba0.5Sr0.5TiO3 were grown via pulsed laser deposition on high quality ultra-smooth SrTiO3 substrates. N number of ferroelectric Ba0.5Sr0.5TiO3 layers were grown on five layers of ferromagnetic Ba2FeMoO6 and their structural, magnetic, transport, and magneto-...

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Bibliographic Details
Published in:Journal of applied physics 2016-06, Vol.119 (21)
Main Authors: Kim, Kyeong-Won, Ghosh, Siddhartha, Buvaev, Sanal, Hebard, Arthur F., Norton, David P.
Format: Article
Language:English
Subjects:
Applied physics
Curie temperature
Ferroelectric materials
Ferroelectricity
Ferromagnetism
Hall effect
Magnetic properties
Magnetic saturation
Magnetism
Magnetization
Periodic variations
Pulsed laser deposition
Pulsed lasers
Strontium titanates
Substrates
Superlattices
Temperature dependence
Thin films
Transport properties
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Summary:Superlattice (SL) structures of Ba2FeMoO6/Ba0.5Sr0.5TiO3 were grown via pulsed laser deposition on high quality ultra-smooth SrTiO3 substrates. N number of ferroelectric Ba0.5Sr0.5TiO3 layers were grown on five layers of ferromagnetic Ba2FeMoO6 and their structural, magnetic, transport, and magneto-transport properties were examined, focusing on the effects of superlattice periodicity of Ba0.5Sr0.5TiO3 layers. XRD analysis of SLs proved their layered superlattice structure. Magnetic study of the SLs showed increment of saturation magnetization and decrease of Curie temperature when compared to magnetization of pure Ba2FeMoO6 thin film. Magneto-transport measurement showed the presence of negative magneto-resistance in all superlattice samples, similar to magneto-transport behavior of pure Ba2FeMoO6 thin film. Hall measurement and transport study showed a consistent increment of anomalous Hall effect and temperature dependent conductivity, respectively, with the number of Ba0.5Sr0.5TiO3 layers.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.4952383