Abstract
Domain structure of BiFeO3 thin films can be controlled by adjusting the target composition or the substrate temperature during pulsed laser deposition. Decreasing Bi content in the target or increasing substrate temperature changes the domain structure of BiFeO3 from 71° to 109°. We suggest that a combination of interface effect and defect induced internal field causes this evolution.
Highlights
Multiferroics, which possess more than one type of ferroic order simultaneously, have attracted much attention due to the promise of coupling between magnetic and electric order parameters.[1,2,3,4]
Recent studies have shown that the exchange bias of the ferromagnetic/BFO heterostructures is closely related to the domain walls in BFO.[8,9]
We report the effects of target composition and substrate temperature on the domain structures of BFO films deposited by pulsed laser deposition (PLD)
Summary
Multiferroics, which possess more than one type of ferroic order simultaneously, have attracted much attention due to the promise of coupling between magnetic and electric order parameters.[1,2,3,4]. Influence of target composition and deposition temperature on the domain structure of BiFeO3 thin films
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