Patent ID: 6025619
Filing Date: 2000-02-15
Classification: C23C,H01L

Abstract:
An integrated circuit containing a thin film barium strontium titanate layer having an ABO.sub.3 perovskite formula with a plurality of A-site metals and a plurality of B-site metals produced by a method comprising the steps of:providing a liquid precursor comprising barium, strontium, and titanium in proportions defined by a formulaABO.sub.3,wherein A includes a mixture of barium and strontium, B is titanium, and O is oxygen, and said liquid precursor additionally includes an A' material selected from the group consisting of bismuth, strontium, lead, calcium, lanthanum, and mixtures thereof, anda B' material selected from the group consisting of zirconium, tantalum, molybdenum, tungsten, niobium, and mixtures thereof,applying said liquid precursor to a substrate;treating said liquid precursor on said substrate to form a thin film barium strontium titanate layer including said A' material and said B' material; andforming an integrated circuit including said thin film barium strontium titanate layer on said substrate.