Optical properties and ionic conductivity of KTiOAsO4crystals

Autor:	G. M. Loiacono, D. N. Loiacono, J. J. Zola, R. G. Norwood, R. A. Stolzenberger, T. McGee
Rok vydání:	1992
Předmět:	chemistry.chemical_classification Controlled atmosphere Physics and Astronomy (miscellaneous) chemistry Analytical chemistry Curie temperature Ionic conductivity Infrared spectroscopy Second-harmonic generation Mineralogy Ferroelectricity Optical conductivity Inorganic compound
Zdroj:	Applied Physics Letters. 61:895-897
ISSN:	1077-3118 0003-6951
DOI:	10.1063/1.107748
Popis:	Crystals of KTiOAsO4 were grown by the high temperature solution method and their optical and ionic conductivity properties evaluated. The band edge and IR cutoff were 370 and 4850 nm, respectively. A domain structure prevented efficient frequency conversion in as‐grown crystals. The ionic conductivity at 22 °C and 120 kHz was 1.5×10−8, 7.3×10−9, and 1.7×10−6 S/cm for the [100], [010], and [001], respectively. The alleged ferroelectric Curie temperature was 852 ±2 °C.
Databáze:	OpenAIRE
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