Homogeneous andstable KTN coating solutions were prepared from KOC_2H_5,Ta(OC_2H_5)_5,and Nb(OC_2H_5)_5in absolute ethanol with a key additive of benzene or acetic acid.

• 用自制的金属醇盐KOC_2H_5、Nb(OC_2H_5)_5和 Ta(OC_2H_5)_5为原料；无水乙醇作溶剂；配制均匀的溶液.