Local Structure of Molten CdCl 2 Systems

Local Structure of Molten CdCl 2 Systems

The local structure of molten CdCl 2 was investigated by X-ray absorption fine structure (XAFS) and X-ray diffraction(XRD) analyses. The nearest Cd 2+ -Cl − distance decreases from 2.61 Å in the room temperature solid state to 2.47 - 2.50 Å in the molten state. The coordination number decreases from...

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Veröffentlicht in:Zeitschrift für Naturforschung. A, A journal of physical sciences A journal of physical sciences, 2004-11, Vol.59 (11), p.819-824
Hauptverfasser: Okamoto, Y., Shiwaku, H., Yaita, T., Suzuki, S., Minato, K., Tanida, H.
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container_issue 11
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container_title Zeitschrift für Naturforschung. A, A journal of physical sciences
container_volume 59
creator Okamoto, Y.
Shiwaku, H.
Yaita, T.
Suzuki, S.
Minato, K.
Tanida, H.
description The local structure of molten CdCl 2 was investigated by X-ray absorption fine structure (XAFS) and X-ray diffraction(XRD) analyses. The nearest Cd 2+ -Cl − distance decreases from 2.61 Å in the room temperature solid state to 2.47 - 2.50 Å in the molten state. The coordination number decreases from 6 in the solid to 4 in the melt. The obtained structural parameters from the XAFS and the XRD analyses suggest that a tetrahedral coordination (CdCl 4 ) 2− is predominant in molten CdCl 2 . The XAFS result of a molten 50%CdCl 2 -KCl mixture shows that the 4-fold (CdCl 4 ) 2− structure holds also in the mixture
doi_str_mv 10.1515/zna-2004-1116
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title Local Structure of Molten CdCl 2 Systems
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