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DOI: 10.1039/A802895H (Paper) Reference Section for: J. Mater. Chem., 1998, 8, 2205-2207

LaB6 crystals from fused salt electrolysis

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M. Kamaludeen, I. Selvaraj, A. Visuvasam and R. Jayavel

Abstract

Purple crystals of LaB6 with high melting point (2500 °C) have been elecrotrodeposited from an oxyfluoride melt consisting of La2O3–B2O3–LiF–Li2O under an N2 atmosphere. The growth of LaB6 crystals has been observed under a controlled electrodeposition process. The cell set-up employed for the electrodeposition consists of a graphite crucible acting both as the cell container and anode and a centrally placed Mo rod acting as cathode. A stainless steel retort was employed to hold the graphite crucible and fix the electrodes under an N2 atmosphere. The pre-treatment applied to the electrolyte composition before electrolysis has been described. Characterization of the crystalline product by chemical analysis, XRD studies and other physical measurements is reported.

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