Patent ID: 6491889
Filing Date: 2002-12-10
Classification: B01J,C01B,C01G,C01P,C30B,Y02E

Abstract:
A ferroelectric single crystal wafer having the composition of formula (I):x(A)y(B)z(C)-p(P)n(N)â€ƒâ€ƒ(I) wherein,(A) is Pb(Mg&frac13;Nb&frac23;)O3 or Pb(Zn&frac13;Nb&frac23;)O3, (B) is PbTiO3, (C) is LiTaO3, (P) is a metal selected from the group consisting of Pt, Au, Ag, Pd and Rh, (N) is an oxide of a metal selected from the group consisting of Ni, Co, Fe, Sr, Sc, Ru, Cu and Cd, x is a number in the range of 0.65 to 0.98, y is a number in the range of 0.01 to 0.34, z is a number in the range of 0.01 to 0.1, and p and n are each independently a number in the range of 0.01 to 5.