Low symmetry phase in (001) BiFeO3 epitaxial constrained thin films | Zendy

Guangyong Xu | Zendy; Haruhiro Hiraka | Zendy; G. Shirane | Zendy; Jiefang Li | Zendy; Junling Wang | Zendy; D. Viehland | Zendy

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Low symmetry phase in (001) BiFeO3 epitaxial constrained thin films

Author(s) -

Guangyong Xu,

Haruhiro Hiraka,

G. Shirane,

Jiefang Li,

Junling Wang,

D. Viehland

Publication year - 2005

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.1924891

Subject(s) - epitaxy , thin film , materials science , synchrotron , monoclinic crystal system , condensed matter physics , diffraction , scattering , lattice (music) , phase (matter) , crystallography , x ray crystallography , trigonal crystal system , crystal structure , optics , chemistry , nanotechnology , physics , organic chemistry , layer (electronics) , acoustics

The lattice of (001)-oriented BiFeO$_3$ epitaxial thin film has beenidentified by synchrotron x-ray diffraction. By choosing proper scatteringzones containing the fixed (001) reflection, we have shown that low-symmetryphases similar to a $M_A$ phase exist in the thin film at room temperature.These results demonstrate a change in phase stability from rhombohedral in bulksingle crystals, to a modified monoclinic structure in epitaxial thin films

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