期刊
APPLIED PHYSICS LETTERS
卷 95, 期 5, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3200230
关键词
crystal structure; ferroelectric materials; ferroelectric transitions; lattice constants; lead compounds; X-ray diffraction
资金
- Office of Naval Research [N00014-06-1-0204]
- MURI [N00014-06-1-0530]
- China Scholarship Council
We report the finding of a monoclinic M-B phase in Pb(Zn1/3Nb2/3)O-3-4.5%PbTiO3 single crystals. High precision x-ray diffraction investigations of [110] field cooled crystals have shown a transformation sequence of cubic(C)-> tetragonal(T)-> orthorhombic(O)-> monoclinic(M-B), which is different from that previously reported [A.-E. Renault , J. Appl. Phys. 97, 044105 (2005)]. Beginning in the zero-field-cooled condition at 383 K, a rhombohedral (R)-> M-B -> O sequence was observed with increasing field. Coexisting M-B and O phases were then found upon removal of field, which fully transformed to M-B on cooling to room temperature.
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