Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/35869
Title: CRYSTAL STRUCTURES AND FERROELECTRIC BEHAVIOUR OF EPITAXIAL BISMUTH FERRITE THIN FILMS.
Authors: LIU HUAJUN
Keywords: BiFeO3, X-ray diffraction, epitaxial thinfilms, ferroelectric, multiferroic, crystal structure
Issue Date: 15-Aug-2012
Source: LIU HUAJUN (2012-08-15). CRYSTAL STRUCTURES AND FERROELECTRIC BEHAVIOUR OF EPITAXIAL BISMUTH FERRITE THIN FILMS.. ScholarBank@NUS Repository.
Abstract: The renaissance of multiferroic research arises mainly from the study on the only known single phase multiferroic material at room temperature - Bismuth Ferrite (BiFeO3, or BFO). This thesis focuses on the investigation into crystal structures and ferroelectric behaviour of different phases in BFO epitaxial thin films.The results obtained in this project help to improve the understanding of BFO crystal structures under different growth condition and strain state. The ferroelectric behaviour of monoclinic phase BFO supports the microscopic origin of ferroelectric polarization from the ionic displacement induced dipole moments. This project provides two general routes to stabilize the promising super-tetragonal phase in BFO epitaxial thin films, which facilitates the searching for improved performance in BFO-based systems.
URI: http://scholarbank.nus.edu.sg/handle/10635/35869
Appears in Collections:Ph.D Theses (Open)

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