SU1643633A1 - Method of producing single crystals - Google Patents

Method of producing single crystals Download PDF

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Publication number
SU1643633A1
SU1643633A1 SU884612881A SU4612881A SU1643633A1 SU 1643633 A1 SU1643633 A1 SU 1643633A1 SU 884612881 A SU884612881 A SU 884612881A SU 4612881 A SU4612881 A SU 4612881A SU 1643633 A1 SU1643633 A1 SU 1643633A1
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SU
USSR - Soviet Union
Prior art keywords
single crystals
producing single
autoclave
scandium
antimony
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SU884612881A
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Russian (ru)
Inventor
Михаил Невахович Цейтлин
Ринат Чингизханович Бичурин
Владислав Иванович Пополитов
Original Assignee
Физико-Технический Институт Им.С.У.Умарова
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Priority to SU884612881A priority Critical patent/SU1643633A1/en
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Publication of SU1643633A1 publication Critical patent/SU1643633A1/en

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Description

нентов шихты и ее конвекционного массо- переноса в верхнюю зону реакционного пространства автоклава происходит синтез монокристаллов Sc2Sb40g. Полученные монокристаллы , как и в примере 1, кристаллизуютс  в виде удлиненных гексагональных призм, длина которых колеблетс  от 3 до 6 мм.The mixtures of the charge and its convection mass transfer to the upper zone of the reaction space of the autoclave are used to synthesize Sc2Sb40g single crystals. The single crystals obtained, as in Example 1, crystallize in the form of elongated hexagonal prisms, the length of which varies from 3 to 6 mm.

Данные по примерам 3-9 приведены в табл. 1.The data in examples 3-9 are given in table. one.

В табл.2 приведены данные рентгено- фазовых исследований кристаллов Sc2Sb40g, проведенных на дифрактометре ДРОН-2,0.Table 2 presents the data of X-ray phase studies of Sc2Sb40g crystals performed on a DRON-2.0 diffractometer.

Claims (1)

Формула изобретени  Способ получени  монокристаллов соединени  Sc2Sb40g, включающий гидротермальный синтез из исходных оксидовThe invention The method of producing single crystals of the compound Sc2Sb40g, including hydrothermal synthesis from the starting oxides сурьмы и сканди  в водном растворе фтористого цези  в автоклаве при наличии градиента температуры, отличающийс  тем, что, с целью повышени  выхода и увеличени  размеров монокристаллов, исходные оксиды сурьмы и сканди  берут в соотношении (1,0-1,5):{2,0-2,4) при их объемном отношении к раствору 1:(5-6), процесс ведут при 620-650°С, давление в автоклавве 1300-1650 атм, а градиент устанавливают 1,6-2,1 град/см.Antimony and scandium in an aqueous solution of cesium fluoride in an autoclave in the presence of a temperature gradient, characterized in that, in order to increase the yield and increase the size of single crystals, the initial oxides of antimony and scandium are taken in the ratio (1.0-1.5): {2, 0-2.4) with their volume ratio to the solution of 1: (5-6), the process is carried out at 620-650 ° C, the pressure in the autoclave is 1300-1650 atm, and the gradient is set to 1.6-2.1 deg / cm . Таблица 1Table 1 Таблица 2table 2 Продолжение табл. 2Continued table. 2
SU884612881A 1988-12-05 1988-12-05 Method of producing single crystals SU1643633A1 (en)

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SU884612881A SU1643633A1 (en) 1988-12-05 1988-12-05 Method of producing single crystals

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SU884612881A SU1643633A1 (en) 1988-12-05 1988-12-05 Method of producing single crystals

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SU1643633A1 true SU1643633A1 (en) 1991-04-23

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SU (1) SU1643633A1 (en)

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