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Proceedings Paper

Crystal growth and characterization of rare-earth-doped gallates of alkaline earth and lanthanum
Author(s): Witold Ryba-Romanowski; Stanislaw Golab; Marek Berkowski
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Paper Abstract

We present the results of investigation of crystal growth optical and mechanical properties of optically uniaxial and piezoelectric crystals Owing to several advantages the crystals are well suited for practical application as laser active materials or high temperature piezoelectric sensors. I . I NT R 0 D U C T I 0 N During past few years a considerable progress has been made in the growing technique of single crystals of compounds with a general chemical formula ABC3O7 where A:Ba B:La Sm and C : Al Several compounds belonging to that large family were first obtained in the polycrystalline form y sintering the stoichiometric mixture of oxides at high temperature. 1 Preliminary x-ray investigation indicated that the crystals were of tetragonal symmetry space group P421m - D32d. Since all these compounds have identical structure and nearly the same unit cell parameters can expect that they will form solid solutions with a nonlimited or limited mutual solubility. In this paper we summarize the available information concernig the crystal growth and properties of two representatives of these compounds.

Paper Details

Date Published: 1 August 1991
PDF: 4 pages
Proc. SPIE 1391, Laser Technology III, (1 August 1991); doi: 10.1117/12.57178
Show Author Affiliations
Witold Ryba-Romanowski, Institute of Low Temperature and Structure Research (Poland)
Stanislaw Golab, Institute of Low Temperature and Structure Research (Poland)
Marek Berkowski, Institute of Physics (Poland)

Published in SPIE Proceedings Vol. 1391:
Laser Technology III
Wieslaw L. Wolinski; Bohdan K. Wolczak; Jerzy K. Gajda; Danuta Gajda; Ryszard S. Romaniuk, Editor(s)

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