Tailoring the domain structure of epitaxial BiFeO3 thin films. Giencke, J. E., Folkman, C. M., Baek, S., & Eom, C. CURRENT OPINION IN SOLID STATE & MATERIALS SCIENCE, 18(1, SI):39-45, FEB, 2014. doi abstract bibtex Control of the ferroelastic and ferroelectric domain structure of BiFeO3 through the use of epitaxial growth on substrates with reduced symmetry is reviewed. The first approach presented utilizes orthoscandate substrates, specifically TbScO3, to reduce the number of possible ferroelastic domains from 4 to 2. Experimental results and phase field simulations are presented which are in agreement with the theory of anisotropic strain relaxation, due to differing in-plane lattice parameters of the orthorhombic substrate, causing a reduction in the possible domains. The second approach that is presented involves the use of miscut cubic substrates, such as SrTiO3, to tailor the domain structure from 4-domain to 2- or single-domain is presented, the former being achieved with a miscut in the [100] direction and the latter with a miscut in the [110] direction, assuming a film normal orientation of [001]. The use of these techniques in understanding the fundamental nature of the ferroelastic and ferroelectric properties in BiFeO3, and the use of these methods in tailoring BiFeO3 to meet the needs of future device applications is discussed. (C) 2013 Elsevier Ltd. All rights reserved.
@article{ ISI:000333859300005,
Author = {Giencke, Jon E. and Folkman, Chad M. and Baek, Seung-Hyub and Eom,
Chang-Beom},
Title = {{Tailoring the domain structure of epitaxial BiFeO3 thin films}},
Journal = {{CURRENT OPINION IN SOLID STATE \& MATERIALS SCIENCE}},
Year = {{2014}},
Volume = {{18}},
Number = {{1, SI}},
Pages = {{39-45}},
Month = {{FEB}},
Abstract = {{Control of the ferroelastic and ferroelectric domain structure of BiFeO3
through the use of epitaxial growth on substrates with reduced symmetry
is reviewed. The first approach presented utilizes orthoscandate
substrates, specifically TbScO3, to reduce the number of possible
ferroelastic domains from 4 to 2. Experimental results and phase field
simulations are presented which are in agreement with the theory of
anisotropic strain relaxation, due to differing in-plane lattice
parameters of the orthorhombic substrate, causing a reduction in the
possible domains. The second approach that is presented involves the use
of miscut cubic substrates, such as SrTiO3, to tailor the domain
structure from 4-domain to 2- or single-domain is presented, the former
being achieved with a miscut in the {[}100] direction and the latter
with a miscut in the {[}110] direction, assuming a film normal
orientation of {[}001]. The use of these techniques in understanding the
fundamental nature of the ferroelastic and ferroelectric properties in
BiFeO3, and the use of these methods in tailoring BiFeO3 to meet the
needs of future device applications is discussed. (C) 2013 Elsevier Ltd.
All rights reserved.}},
DOI = {{10.1016/j.cossms.2013.11.003}},
ISSN = {{1359-0286}},
EISSN = {{1879-0348}},
ResearcherID-Numbers = {{Eom, Chang-Beom/I-5567-2014
Baek, Seung-Hyub/B-9189-2013
}},
ORCID-Numbers = {{Baek, Seung-Hyub/0000-0002-3187-6596}},
Unique-ID = {{ISI:000333859300005}},
}
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