Second-harmonic generation and origin of polar configuration in KTaO3:Li

G.A. Azzini; G. Banfi; E. Giulotto; U. Höchli

doi:10.1103/PhysRevB.43.7473

Physical Review B

Paper

01 Apr 1991

Second-harmonic generation and origin of polar configuration in KTaO3:Li

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Abstract

Results are presented for the second-harmonic generation of light in K1-xLixTaO3 for x=1.6%, 2.6%, 3.4%, and 6%. From the second-harmonic efficiency and from birefringence results, it is concluded that below the freezing temperature Tf, KTaO3

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