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First-Principles Study Of (Bisco3)(1-X)-(Pbtio3)(X) Piezoelectric Alloys
PHYSICAL REVIEW B, no. 22 (2003)
摘要
We report a first-principles study of a class of (BiScO3)(1-x)-(PbTiO3)(x) (BS-PT) alloys recently proposed by Eitel as promising materials for piezoelectric actuator applications. We show that (i) BS-PT displays very large structural distortions and polarizations at the morphotropic phase boundary (MPB) (we obtain a c/a of similar to1.05...更多
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