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'Magnetic Susceptibility' in keywords Facet   Publication Year 1979  [X]
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1Author    G. Knoke, D. Babel, Th HinrichsenRequires cookie*
 Title    Zur Kenntnis von Ammoniumchrom(III)-fluorid NH4CrF4 On Ammonium Chromium (III) Fluoride NH4CrF4  
 Abstract    The hitherto unreported compound NH4CrF4 could be prepared by applying hydro-thermal high pressure techniques. X-ray powder data show NÜ4CrF4 to crystallize tetragonally with a = 743.2, c= 650.4 pm, similar to CsFeF4 and other TIAIF4-related structures. The magnetic behaviour was studied below room temperature and proved NH4CrF4 to become antiferromagnetic (TN = 34 K) within the range known from other A J CrF4 compounds. The thermolysis of NH4CrF4, as investigated by X-rays and TG/DTA, begins at about 400 °C and yields CrF3 and also Cr2F5, if extended to 1000 °C. 
  Reference    Z. Naturforsch. 34b, 934—938 (1979); eingegangen am 28. März 1979 
  Published    1979 
  Keywords    Tetrafluorochromates(III), Powder X-ray Data, Magnetic Susceptibilities, Thermolysis of NH4CrF4 
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 TEI-XML for    default:Reihe_B/34/ZNB-1979-34b-0934.pdf 
 Identifier    ZNB-1979-34b-0934 
 Volume    34