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Flux growth and characterization of single crystals of the perovskites Pb2FeTaO6 and Pb2CoWO6

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Published in Journal of Crystal Growth. 1987, vol. 82, no. 3, p. 396-404
Abstract Single crystab of the perovskites Pb2 FeTa06 and Pb2CoW06 (abbreviated by PFT and PC:W in this text) have been grown from a PbO flux in sealed platinum crucibles of 30-180 mL volume, with and without using the accelerated crucible rotation technique (ACRT). The typical crystal size was 0.5-5 mm edge length for PFT (aggregates of intergrown cubes) and 3-10 mm for PCW (cubes and cubo-octahedra). Both compounds are black with a metallic luster in reflected light and are red-brown in transmission. The crystals were subsequently characterized by means of X-ray powder diffraction, chemical analysis, optical domain studies, birefringence, absorption spectra, and elec. resistivity. [on SciFinder(R)]
Keywords Crystal growth (of cobalt lead tungstate and iron lead tantalate from flux)Crystal formElectric resistance (of cobalt lead tungstate crystals grown from flux)
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Project FNS: 1986
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BRIXEL, Wolf Dietrich, BOUTELLIER, Roland, SCHMID, Hans. Flux growth and characterization of single crystals of the perovskites Pb2FeTaO6 and Pb2CoWO6. In: Journal of Crystal Growth, 1987, vol. 82, n° 3, p. 396-404. https://archive-ouverte.unige.ch/unige:30941

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Deposited on : 2013-11-05

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