Composition, temperature, and crystal orientation dependence of the linear electro-optic properties of Pb(Zn[sub 1/3]Nb[sub 2/3])O[sub 3]-PbTiO[sub 3] single crystals

Barad, Y.; Lu, Yu; Cheng, Z.-Y.; Park, S.-E.; Zhang, Q. M.
August 2000
Applied Physics Letters;8/28/2000, Vol. 77 Issue 9
Academic Journal
The linear electro-optic (EO) coefficients of Pb(Zn[sub 1/3]Nb[sub 2/3])O[sub 3]-PbTiO[sub 3] single crystals over a broad composition range were investigated at temperatures from -20 to 80 °C. The orientation effect on the EO coefficients was also examined. For crystals poled in the <001> direction, a large r[sub 33] was observed near the morphotropic phase boundary (MPB). More importantly, r[sub 33] was found to be independent of temperature for the crystals on the tetragonal side of the MPB. In contrast, r[sub 13] was nearly zero for all compositions examined at all the temperatures. The large r[sub 33] near the MPB and the observed crystal orientation effect of the EO coefficients were also analyzed. © 2000 American Institute of Physics.


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