Low symmetry phases in piezoelectric systems: PZN-xPT single crystal and powder
B. Noheda, D. E. Cox, G. Shirane
Abstract
In this review we address some of the experimental challenges found in the x-ray diffraction characterization of the low-symmetry phases recently discovered in the PZT, PZN-PT and PMN-PT piezoelectric systems around their morphotropic phase boundaries. In particular, we discuss the need for special care in the preparation of powder samples made from single crystals in order to avoid degradation and peak-broadening effects.
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