Coordination change around 2 wt% Ni in N
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F. Farges; G.E. Brown Jr.; G. Calas; L. Galoisy; G.A. Waychunas
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Article
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1995
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Elsevier Science
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English
β 143 KB
The coordination environment around Ni at minor concentration levels (2 wt% NiO) in Na2Si20 5 glass and melt has been investigated by high temperature (293-1250 K) X-ray absorption fine structure (XAFS) spectroscopy. The derived average anharmonic Ni-O distances for the glass at 293 K and the melt a