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CRYSTALLOGRAPHICAL ASPECTS IN STUDY OF GROWING CRYSTALS AND SOLID-PHASE STRUCTURAL TRANSFORMATIONS IN SILVER AZIDE

By Sergey Ilyich Kurakin

Abstract

The aim is to develop the procedure for growing silver azide crystals of the given habitus, to determine the structure of the solid phase which is formed on the surface of the silver azide crystals at their heating, photoradiation and long storage, to develop the recommendations on the selection of the optimal conditions for growing and storage of the silver azide crystals for a purpose of increasing their chemical stability. All the basic crystallographical simple forms and their combinated types have been identified firstly in the cutting of the silver azide crystals. The procedure of growing siver azide crystals of the given habitus has been developed. The periods, type of the lattice and spatial group of the new solid phase crystallical structure forming on the surface of the silver azide crystals at room temperature during vacuum photoradiation and also at ageing of the silver azide crystals have been determined. The phase transition mechanism taking place in the silver azide at root temperature has been proposed. It has been shown in experiment that from a crystallographical point of vision the different faces of silver azide crystals have unequal chemical resistance to the external energetical actions. On base of the results on growing silver azide crystals of the given habitus and also data about chemical resistance of the different silver azide crystal faces to the external energetical actions a possibility to increase the stability and control of the silver azide reactivity has been shownAvailable from VNTIC / VNTIC - Scientific & Technical Information Centre of RussiaSIGLERURussian Federatio

Topics: 20D - Atomic physics, molecular physics, 07D - Physical chemistry, CHEMISTRY, PHYSICS
Year: 1995
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Provided by: OpenGrey Repository
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