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XPS study of surface properties in the superionic conducting glass of (AgI)(0.4)(Ag2O)(0.3)(MoO3)(0.3) bombarded by ion and electron beams

Kang, SC and Saito, M and Suzuki, S and Jacob, KT and Waseda, Y (2001) XPS study of surface properties in the superionic conducting glass of (AgI)(0.4)(Ag2O)(0.3)(MoO3)(0.3) bombarded by ion and electron beams. In: High Temperature Materials And Processes, 20 (1). pp. 51-56.

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Abstract

XPS analysis has been used for characterizing the effects of Ar ion and electron beam bombardment on the surface properties of superionic conducting glass of (AgI)(0.4)(Ag2O)(0.3)(MoO3)(0.3). Cations in this particular glass were significantly reduced by Ar ion bombardment. This is attributed to the imbalance between cations and anions induced by preferential sputtering of anions. The O Is peak is shifted to higher binding energy by Ar ion bombardment. This is mainly attributed to the sputtering of silver in preference to molybdenum. The electron beam bombardment increases the surface concentration of silver and induces a change in the chemical state of silver from Ag+ to Ag-0. The isothermal enrichment process of silver at surface can be described by the Johnson-Mehl-Avrami equation; W =1-exp[-(3.74x10(-4) t)(1.1)].

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Freund Publishing House
Department/Centre: Division of Chemical Sciences > Materials Research Centre
Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 11 Feb 2010 06:17
Last Modified: 11 Feb 2010 06:17
URI: http://eprints.iisc.ernet.in/id/eprint/17971

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