METHOD FOR PRODUCTION OF MERCURY THIOGALLATE SINGLE CRYSTALS Russian patent published in 2005 - IPC

Abstract SU 1839797 A1

FIELD: solid-state physic, in particular material for non-linear optics, quantum electronics, spectroscopy, etc.

SUBSTANCE: mercury thiogallate (HgGa₂S₄) single crystals with size of 10-30 mm are obtained by cooling of starting material sulfide melt with mercury sulfide excess in ampoule with backpressure, wherein sulfur excess is additionally introduced into melt. Initial mixture contains (mass %): mercury sulfide 51.827-52.042; gallium sulfide 47.662-47.061; sulfur 0.511-0.897. Cooling is carried out in directional manner: ampoule is vertically descended with rate of 2-30 mm/day.

EFFECT: optically homogeneous materials without enclosure of foreign phases, cords, and polysynthetic twinned crystals.

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SU 1 839 797 A1

Authors

Badikov Valerij Vladimirovich

Rychik Ol'Ga Valentinovna

Dates

2005-05-27—Published

1979-01-26—Filed