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New Nonlinear Optical Crystals of KTiOPo4 (KTP) Family

Published online by Cambridge University Press:  15 February 2011

V. l. Chani ,
K. Shimamura ,
S. Endo  and
T. Fukuda
V. l. Chani
Affiliation:
Institute for Materials Research, Tohoku University, 2–1–1 Katahira, Aoba-ku, Sendai, 980, Japan
K. Shimamura
Affiliation:
Institute for Materials Research, Tohoku University, 2–1–1 Katahira, Aoba-ku, Sendai, 980, Japan
S. Endo
Affiliation:
Institute for Materials Research, Tohoku University, 2–1–1 Katahira, Aoba-ku, Sendai, 980, Japan
T. Fukuda
Affiliation:
Institute for Materials Research, Tohoku University, 2–1–1 Katahira, Aoba-ku, Sendai, 980, Japan
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Abstract

Phase formation and crystal growth conditions for different combinations of cations corresponding to chemical formula of KTP were studied. Preparation of new Ti-less arsenates which arc isostructural with KTP is reported. In the single crystals grown Ti4+ cations were completely substituted with M2+ + Nb5+ (M = Mg, Zn) or M3+ + Nb5+ (M = Al, Cr, Ga, Fe, In) cation couples. The crystals were prepared by spontaneous crystallization using flux method. The structure analysis was made by X-ray powder diffraction technique. The crystals composition was measured by electron probe microanalysis (EPMA). Second harmonic generation (SHG) effect was studied by the powder technique with a pulsed YAG:Nd laser (1064 nm). SHG signal of the crystals was found to be slightly greater than that of KTiOAsO4 (KTA).

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 453: Symposium R – Solid State Chemistry of Inorganic Materials , 1996 , 265
Copyright
Copyright © Materials Research Society 1997

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References

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