Crystal Growth and Electro-Optic Effect of Bismuth Germanate, Bi4 (GeO4)3
- 1 August 1965
- journal article
- research article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 36 (8) , 2358-2360
- https://doi.org/10.1063/1.1714490
Abstract
Single crystals of bismuth germanate Bi4(GeO4)3 having the eulytine structure, space group Td 6, were grown. They were crucible‐free pulled from a pool of molten material produced in its own powder at 1040°C by a thermal imaging technique. The material has an index of refraction of 2.07 and transmits light between 0.4 and 6.0 μ. The electro‐optic coefficient r 41 was determined to be 1.03·10−10cm/V. Although materials with higher r 41 values are known, Bi4(GeO4)3 may find applications because the growth of large crystals appears possible by classical pulling techniques. A large variety of chemical substitutions are possible in the eulytine structure and might lead to improvements in the magnitude of r 41.This publication has 7 references indexed in Scilit:
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