Single-Crystal Growth of Thorium Dioxide from Lithium Ditungstate Solvent
- 1 July 1965
- journal article
- research article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 36 (7), 2143-2145
- https://doi.org/10.1063/1.1714435
Abstract
Single crystals of ThO2 were grown from molten Li2O· 2WO3 solvent at 1225°–1300°C. Growth occurred primarily by solution transfer from ThO2 nutrient at 1250°–1350°C to seeds in regions 20°–75° cooler. The resulting crystals, optically transparent octahedra up to 3 mm on edge, contain 2 crystals containing limited amounts of several lanthanide ions. Increased growth rates were obtained by adding 1 wt% B2O3 to the Li2O· 2WO3 solvent.Keywords
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