Patent ID: 6203608
Filing Date: 2001-03-20
Classification: C23C,H01L

Abstract:
A liquid composition for the formation of a ferroelectric thin film comprising:a metal oxide represented by the general formula(Pb.sub.V Ca.sub.W Sr.sub.X La.sub.Y)(Zr.sub.Z Ti.sub.1-Z)O.sub.3wherein 0.9.ltoreq.V.ltoreq.1.3, 0.ltoreq.W.ltoreq.0.1, 0.ltoreq.X.ltoreq.0.1, 0<Y.ltoreq.0.1, 0<Z.ltoreq.0.9 and at least either of W and X is not 0, said composition comprising a solution wherein thermally decomposable organometallic compounds of respective metals constituting said metal oxide, hydrolyzable organometallic compounds thereof, partially hydrolyzed products and/or polycondensation products of said hydrolyzable organometallic compounds are dissolved in an organic solvent in such a proportion as to provide the metal atom ratio represented by said formula.