Patent ID: 9666331
Date: 2017-05-30
CPC Classifications: C23C,H01B,H01L

Claim:
1. A ferroelectric thin film-forming sol-gel solution comprising: a PZT-based compound; a high-molecular compound used to adjust a viscosity containing polyvinyl pyrrolidone; and an organic dopant containing N-methyl pyrrolidone, wherein an amount of the PZT-based compound is greater than or equal to 17 mass % in terms of oxides, a molar ratio of the PZT-based compound:the polyvinyl pyrrolidone is 1:0.1 to 1:0.5 in terms of monomers, and an amount of the N-methyl pyrrolidone is 3 mass % to 13 mass % in the sol-gel solution.