Epitaxial Growth of Perovskite Vanadates
ORAL
Abstract
Perovskite vanadates have recently attracted significant attention for their wide-range of functional properties. Below around 140 K, LaVO3 undergoes a structural transition, and becomes an orbitally ordered antiferromagnetic insulator. SrVO3, on the other hand, is a strongly correlated paramagnetic metal. In this work, we use oxygen-plasma assisted molecular beam epitaxy (MBE) to deposit epitaxial LaVO3 and SrVO3 thin films on insulating SrTiO3 substrates. We use ex-situ x-ray diffraction and magnetotransport measurements to compare the properties of (001) and (111)-oriented samples. We also discuss the behavior of LaVO3 / SrVO3 heterostructures, where above-room-temperature ferromagnetism has been reported and ferroelectricity has been predicted.
*This work supported by the STC Center for Integrated Quantum Materials, NSF Grant No. DMR-1231319 and the Gordon and Betty Moore Foundation’s EPiQS Initiative through Grant No. GBMF4536.
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Presenters
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Jason Hoffman
- Harvard University