[1] Service R E.Shape-changing crystals get shiftier[J],Sci-ence,1997,275:1878-1882.

[2] Fu H X,Cohen R E,Cohen R E.Polarization rotation mechanical for ultrahigh electromechanical response in single-crystal piezoelectrics[J],Nature,2000,403:281-286.

[4] HARADAK,HOSONOY,YAMASHITAY,et aL Piezoelec-tric Pb(Zn1/3Nb2/3)0.91Ti0.09)O3 single crystals with a diameter of 2 inches by the solution Bridgman method sup-ported on the bottom of a crucible[J].J.Crystal.Growth,2001,229(14):294-298.

[5] Hlinka J,Kamba S,Petzelt J,et al.Origin of the waterfall "effect in phonon dispersion of relaxor perovskites[J].Phys.Rev.letters,2003,91(10):167602-167606.

[7] Noheda B,Cox D E,Shirane G,et al.Polarization rotation via a monoclinic phasein the piezoelectric 92%PbZn1/3Nb2/3 O3-8%PbTiO3[J].Phys.Rev.Letters,2001,86(17):3891-3895.

[9] Hlinka J,Kamba S,Petzel Z.Origin of the“Waterfall” effect in phonon dispersion of relaxor perovskites[J].Phys.Rev.letters,2003,91(10):107602-1-107602-4.