New transition metal silicoselenides possessing CdI2-type structures

Gopalakrishnan, J. ; Nanjundaswamy, K. S. (1988) New transition metal silicoselenides possessing CdI2-type structures Materials Research Bulletin, 23 (1). pp. 107-112. ISSN 0025-5408

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Three different kinds of first-row transition metal silicoselenides having CdI2-related structures have been synthesized. Vanadium and chromium form VSiSe3 and Cr1+xSiSe3 which are similar to MPSe3 crystallizing in a hexagonal structure. Manganese forms Mn3/2SiSe3 which is isostructural with Mn3/2SiTe3. With Fe, Co and Ni, a new type of silicoselenide of the formula MSi2Se4 (M = Fe, Co or Ni) is obtained. These solids crystallize in the CdI2/Cr3S4 structure where M atoms and Si---Si pairs occupy the cation positions.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
Keywords:Silicoselenides; Vanadium; Chromium; Manganese; Iron; Cobalt; Nickel
ID Code:12430
Deposited On:10 Nov 2010 06:29
Last Modified:03 Jun 2011 05:16

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