Anomalous second harmonic generation in BaTiO3 thin films

15 January 1996

journal article
research article
Published by AIP Publishing in Applied Physics Letters

Vol. 68 (3) , 310-312
https://doi.org/10.1063/1.116069

Abstract

We present data on second harmonic generation in as‐grown BaTiO₃ thin films, including the dependence of the second harmonic intensity on the incidence angle and on the polarization direction of the fundamental beam. The data indicate that the effective second harmonic generation coefficient in these films is unrelated to the crystallographic orientation of the BaTiO₃ as determined by x‐ray diffraction. We suggest as an alternative explanation electric‐field‐induced second harmonic generation.

Keywords

BARIUM TITANATES
CRYSTAL ORIENTATION
CVD
INCIDENCE ANGLE
POLARIZATION
SECOND HARMONIC GENERATION
THIN FILMS

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