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Nonlinear Optical Diagnostics of Thin Polycrystalline Lead Zirconate Titanate Films
Technical Physics Letters ( IF 0.8 ) Pub Date : 2020-06-05 , DOI: 10.1134/s1063785020040215 A. S. Elshin , I. P. Pronin , S. V. Senkevich , E. D. Mishina
中文翻译:
多晶硅锆钛酸铅薄膜的非线性光学诊断
更新日期:2020-06-05
Technical Physics Letters ( IF 0.8 ) Pub Date : 2020-06-05 , DOI: 10.1134/s1063785020040215 A. S. Elshin , I. P. Pronin , S. V. Senkevich , E. D. Mishina
Abstract
Nonlinear optical microscopy techniques have been used to study thin films of single-phase (perovskite) and two-phase (perovskite–pyrochlore) lead zirconate titanate (PZT) deposited on Pt/TiO2/SiO2/Si by means of radio-frequency magnetron sputtering at various target–substrate distances (D = 30–70 mm). Results revealed inhomogeneous distribution of second-harmonic generation in spherulitic perovskite islands, including increased signal intensity at perovskite/pyrochlore interface, which may be related to a nonuniform distribution of mechanical stresses. Factors responsible for the observed strong variation in second-harmonic signal are discussed, including the mutual relationship between changes in the character of spherulitic structure and conditions of PZT film deposition depending on the target–substrate distance.中文翻译:
多晶硅锆钛酸铅薄膜的非线性光学诊断