Crystalline Bi.sub.2 Ge.sub.3 O.sub.9 and its preparation

Details Crystalline Bi.sub.2 Ge.sub.3 O.sub.9 and its preparation Crystalline Bi.sub.2 Ge.sub.3 O.sub.9 and its preparation

1979-12-20

1982-05-18

Carter, Herbert T.

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

156617SP, 156DIG67, 156DIG79, 2504921, C01G 1700, C01G 2900

Patent

active

043305245

ABSTRACT:
A monocrystalline Bi.sub.2 Ge.sub.3 O.sub.9 is formed, for example, via the Czochralski technique from a melt containing pure Bi.sub.2 O.sub.3 and GeO.sub.2 at a molecular ratio of 1:3. This crystal is useful as an x-ray spectrometer crystal and/or as a light defector crystal in conjunction with an ultrasonic deflection field properly applied to such crystals.

REFERENCES:
patent: 4092208 (1978-05-01), Chadwick et al.
Grabmaier et al., "Zeit fur Krislallographic", vol. 149, 1979, pp. 261-267.
Speranskaya et al., "Russian Journal of Inorganic Chemistry", vol. 9, 1964, pp. 226-231.
Levin et al., "Journal of Research, NBS", vol. 68A, 1964, pp. 197-206.

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