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2 241 793

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IPC

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Application

2003102514/15, 2003-01-31

(24)

Start date

2003-01-31

(22)

Actual filing date

2003-01-31

(45)

Published

2004-12-10

(72)

Inventor

Dorogovin B.A.Stepanov S.Ju.Domoroshchina E.N.Dubovskij A.B.Filippov I.M.

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Nauchno-Issledovatel'Skij Institut Sinteza Mineral'Nogo Syr'Ja"

METHOD FOR PRODUCING OF BATCH FOR GROWTH OF SINGLE CRYSTAL STRONG-NIGACITE AND STRONTANGACITE WITH CALCIUM GALLOGERMANATE STRUCTURE Russian patent published in 2004 - IPC

Abstract RU 2241793 C2

FIELD: chemical technology, in particular batch for growth of gallosilicates.

SUBSTANCE: invention relates to new class of ordered four-component gallosilicate compounds with calcium gallogermanate structure (Ca₃Ga₂Ge₄O₁₄) useful for piezoelectric technique. Claimed method for solid-phase synthesis includes: mixing of heat pretreated oxides of elements comprising in grown single crystal of formula Sr₃MeGa₃Si₂O₁₄, where Me is niobium or tantalum, in stoichiometric relationship and caking of mix obtained at temperature of 84-85% in respect to synthesis temperature of corresponding crystals.

EFFECT: batch in compact (profiled tablet) form; single crystal gallosilicates of high quality.

2 ex, 1 tbl

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RU 2 241 793 C2

Authors

Dorogovin B.A.

Stepanov S.Ju.

Domoroshchina E.N.

Dubovskij A.B.

Filippov I.M.

Dates

2004-12-10—Published

2003-01-31—Filed