Method for the reduction of iron in iron-doped lithium niobate c

Details Method for the reduction of iron in iron-doped lithium niobate c Method for the reduction of iron in iron-doped lithium niobate c

1973-12-03

1976-01-13

Padgett, Benjamin R.

Compositions

Inorganic luminescent compositions

Tungsten containing

96 90PC, 96 27H, 340173LS, 350 35, 350150, 350160R, 350160P, 423594, 423641, G11C 1700

Patent

active

039322998

ABSTRACT:
Lithium niobate single crystals doped with iron can be treated to reduce trivalent iron to divalent iron without reduction of the lithium niobate host crystal, by surrounding the crystal with a high-melting salt of lithium, such as lithium carbonate, and heating in an oxygen-containing atmosphere until the desired amount of reduction is obtained.

REFERENCES:
patent: 3544189 (1970-12-01), Chen et al.
patent: 3700912 (1972-10-01), Glass
patent: 3703328 (1972-11-01), Glass
patent: 3773400 (1973-11-01), Amodei
patent: 3799642 (1974-03-01), Phillips et al.
Phillips et al., RCA Review, Vol. 33, Mar. 1972, pp. 94-109.
Petersen et al., App. Phys. Lett., Vol. 19, No. 5, 9/1971, pp. 130-132.

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