New Examples for the Unexpected Stabilit
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Raul Cardoso Gil; Wilder Carrillo-Cabrera; Martin Schultheiss; Karl Peters; Hans
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Article
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1999
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John Wiley and Sons
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German
⚖ 524 KB
The compounds Ba 4 Ag 2 Si 6 , Eu 4 Ag 2 Si 6 , and Ca 4 Ag 2 Si 6 , prepared from the elements at 1273 K (the components in inner corundum crucibles are enclosed in sealed quartz ampoules), are brittle semiconductors with silvery luster. They react slowly with acids liberating hydrogen. Ba 4 Ag 2 [