We report boron K-edge x-ray absorption near-edge structure measurements on borophosphosilicate glasses and density functional theory calculations aimed at determining the most stable local geometries for boron and phosphorous. We demonstrate that phosphorous induces a modification in the local structure of boron, from a trigonal to a tetrahedral geometry. The microscopic mechanisms involved are discussed.
Coordination of boron and phosphorous in Borophosphosilicate glasses / Carboni, R; Pacchioni, G; Fanciulli, M; Giglia, A; Mahne, N; Pedio, M; Nannarone, Stefano; Boscherini, F.. - In: APPLIED PHYSICS LETTERS. - ISSN 0003-6951. - STAMPA. - 83:21(2003), pp. 4312-4314. [10.1063/1.1629147]
Coordination of boron and phosphorous in Borophosphosilicate glasses
NANNARONE, Stefano;
2003
Abstract
We report boron K-edge x-ray absorption near-edge structure measurements on borophosphosilicate glasses and density functional theory calculations aimed at determining the most stable local geometries for boron and phosphorous. We demonstrate that phosphorous induces a modification in the local structure of boron, from a trigonal to a tetrahedral geometry. The microscopic mechanisms involved are discussed.Pubblicazioni consigliate
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