Electronic structure and charge transfer in (Li sub 2 B sub 4 O sub 7 ) sub 1 sub - sub x (WO sub 3 ) sub x glasses

Electronic structure and charge transfer in (Li sub 2 B sub 4 O sub 7 ) sub 1 sub - sub x (WO sub 3 ) sub x glasses

XPS of W core levels shows the formation of Li-W bronzes in the matrix above x=0.47. Permanent blue color occurs for 0.47 < or = x < or = 0.55. For x < or = 0.33, the glasses are colorless; 2-keV electron bombardment and Ar sup + ion sputtering form Li sub x WO sub 3 bronzes with an electro...

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Veröffentlicht in:Solid state communications 1990-01, Vol.76 (7), p.891-893
Hauptverfasser: Arghavani, M R, Braunstein, R, Chalmers, G
Format: Artikel
Sprache:eng
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Zusammenfassung:XPS of W core levels shows the formation of Li-W bronzes in the matrix above x=0.47. Permanent blue color occurs for 0.47 < or = x < or = 0.55. For x < or = 0.33, the glasses are colorless; 2-keV electron bombardment and Ar sup + ion sputtering form Li sub x WO sub 3 bronzes with an electron localized at the W atom and permanent blue color.
ISSN:0038-1098