This article is cited in 17 papers

CONDENSED MATTER

Spontaneous explosive crystallization and phase transformations in a selenium/copper bilayer nanofilm

V. Ya. Kogai, A. V. Vakhrouchev, A. Yu. Fedotov

Institute of Mechanics, Ural Branch of RAS, Izhevsk

Abstract: Spontaneous explosive crystallization in a selenium/copper bilayer nanofilm has been experimentally studied. It has been shown that the formation of a microcrack network in the selenium film is a decisive factor for spontaneous explosive crystallization. The microcrack network is an efficient channel for the relaxation of the collected energy of elastic stresses in the selenium film. The relaxation of this energy accelerates crystallization and transfers it to the explosive regime. It has been found that crystalline phases appearing in the products of the reaction after spontaneous explosive crystallization depend on the ratio of the thicknesses of the copper and selenium films.

Received: 14.03.2012

 English version: Journal of Experimental and Theoretical Physics Letters, 2012, 95:9, 454–456

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