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'Mössbauer spectroscopy' in keywords Facet   Publication Year 1996  [X]
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1996[X]
1Author    Giorgio Concas, Francesco Congiu, Anna Corrias, Carlo Muntoni, Giorgio Paschina, Daniela ZeddaRequires cookie*
 Title    Investigation of the Reaction between Fe 2 0 3 and Si Activated by Ball Milling  
 Abstract    The path of the reaction between Fe 2 0 3 and Si, activated by high energy ball milling, has been investigated by X-ray diffraction and Mössbauer spectroscopy. Hematite reduction involves oxygen transfer from Fe to Si with the formation of intermediate phases containing Fe(II), which are then reduced to Fe(0). A steady state is reached in the milling process where the reduction of stoichiomet-ric amounts of Fe 2 0 3 and Si is not complete and an amount of Fe(II) in an amorphous matrix still remains. The same intermediate compounds are also observed in the milling process of mixtures with higher Fe 2 0 3 /Si molar ratio. 
  Reference    Z. Naturforsch. 51a, 915—922 (1996); received April 1 1996 
  Published    1996 
  Keywords    Mechanosynthesis, Nanocomposite, Reduction reaction, Mössbauer spectroscopy, X-ray diffraction 
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 TEI-XML for    default:Reihe_A/51/ZNA-1996-51a-0915.pdf 
 Identifier    ZNA-1996-51a-0915 
 Volume    51