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2 312 061

(13)

(51)

IPC

C01B21/72(2006-01-01)

C30B29/38(2006-01-01)

C30B29/62(2006-01-01)

(21) (22)

Application

2006114216/15, 2006-04-25

(24)

Start date

2006-04-25

(22)

Actual filing date

2006-04-25

(45)

Published

2007-12-10

(72)

Inventor

Afonin Jurij DmitrievichBeketov Askol'D RafailovichAnipko Alla VladimirovnaMalkov Vjacheslav BorisovichCherepanov Aleksandr NikolaevichShul'Gin Boris Vladimirovich

(73)

Holder

Gou Vpo Gosudarstvennyj Tekhnicheskij Universitet Upi"

METHOD FOR PREPARING THREADLIKE ALUMINUM NITRIDE Russian patent published in 2007 - IPC C01B21/72 C30B29/38 C30B29/62

Abstract RU 2312061 C1

FIELD: chemical technology.

SUBSTANCE: method for synthesis of threadlike aluminum nitride involves passing gaseous reagents as aluminum (III) halides and nitrogen through heated aluminum and the following condensation of the end product. Aluminum (III) halide is fed at the level rate 0.1-6 cm³/min per 1 cm² of the condensation surface. Condensation is carried out on backing made of pure graphite. Invention provides synthesis of aluminum nitride as crystal fibers showing the ratio value of length to diameter above 200-300. Invention can be used for synthesis of threadlike aluminum nitride crystals useful in making sensor probes in cantilevers of atomic-power microscopes.

EFFECT: improved method of synthesis.

3 dwg, 2 ex

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RU 2 312 061 C1

Authors

Afonin Jurij Dmitrievich

Beketov Askol'D Rafailovich

Anipko Alla Vladimirovna

Malkov Vjacheslav Borisovich

Cherepanov Aleksandr Nikolaevich

Shul'Gin Boris Vladimirovich

Dates

2007-12-10—Published

2006-04-25—Filed