Abstract

Crystalline thin films of lead chromates, Pb1+xCrO4+x(0≤x≤1) could be prepared by RF-magnetron sputtering using a PbCrO4 target under the atmosphere of 3Pa Argon and 1Pa oxygen. The chromates formed were composed of PbCrO4 and Pb2CrO5, and the relative compositions of the two phases changed rather sensitively with a change in RF power and substrate temperature. A single phase of PbCrO4 (x=0) was formed when both the power and the temperature were low, (eg; 100W and 300°C), while that of Pb2CrO5 (x=1) was under the opposite conditions (eg; 200W and 550°C), with the mixture being obtained under the intermediate conditions.

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