Monoclinic PZN-8%PT [Pb(Zn(0.3066)Nb(0.6133)Ti(0.08))O(3)] at 4 K.

The structure of the relaxor ferroelectric Pb(Zn(0.3066)Nb(0.6133)Ti(0.

PbZn(1/3)Nb(2/3)O3 at 4.2 and 295 K.

The structure of the relaxor ferroelectric lead zinc niobium trioxide, Pb(Zn(1/3)Nb(2/3))O3, known as PZN, was determined at 4.2 and 295 K from very high resolution neutron powder diffraction data. The material is known for its extraordinary piezoelectric properties which are closely linked to the structure.

Group-theoretical analysis of octahedral tilting in ferroelectric perovskites.

Group-theoretical methods are used to analyze perovskite structures where both ferroelectric cation displacements and simple tilting of octahedral units are present. This results in a list of 40 different structures, each with a unique space-group symmetry. The list is compared with that of Aleksandrov & Bartolomé [Phase Transit.