Method of growing single crystals of neodymium pentaphosphate

Details Method of growing single crystals of neodymium pentaphosphate Method of growing single crystals of neodymium pentaphosphate

1977-01-24

1977-08-23

Emery, Stephen J.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156DIG63, 23305RE, 423263, 423305, 2523014P, B01J 1704, B01J 1720, C01B 2538, C01F 1700

Patent

active

040438600

ABSTRACT:
Single crystals of neodymium pentaphosphate greater than one centimeter in size and of high purity and quality are grown from polyphosphoric acid solutions using the combination of a dilute solution, seeding, growth temperatures of 500.degree. to 650.degree. C, and a double crucible configuration.

REFERENCES:
patent: 3332741 (1967-07-01), Teatum
patent: 3673103 (1972-06-01), Awazu
patent: 3813613 (1974-05-01), Danielmeyer
patent: 4002725 (1977-01-01), Bridenbaugh
Tofield et al., Mat. Res. Bull., vol. 9, pp. 435-448, 1974, "On the Growth f Neodymium Pentaphosphate Crystals...".
Miller et al., J. of Cryst. Growth, vol. 23, No. 4, Oct. 1974, pp. 313-317, "Growth of R.E. Pentaphosphates in Phosphoric Acid".
Danielmeyer et al., J. Of Cryst. Growth, vol. 22, 1974, pp. 298-302, "Growth of Laser Quality NdP.sub.5 O.sub.14 Crystals".
Yamada et al., J. of App. Phys., vol. 45, No. 11, Nov. 1974, pp. 5096-5097, "Fluorescence of Li Nd Ultraphosphate Single Crystals".
Bayers, J. Inorg. Nucl. Chem., 1957, vol. 5, pp. 133-140, "Phosphates and Polyphosphates the R. E. Elements".

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