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1998 (1)
1Author    Mutsuo Igarashi, Noriaki Okubo, Ryozo YoshizakiRequires cookie*
 Title    Na Nuclear Spin-Lattice Relaxation in Dehydrated Zeolite NaY  
 Abstract    The spin-lattice relaxation time T\ of 2, Na-NMR in dehydrated zeolite NaY has been measured from 26 to 300 K. The magnetization recovery curve is not single-exponential at all measured temperatures and 1 increases in proportion to the square of temperature above 200 K. The result is analyzed with a theory of the Raman process based on covalency. The value of T\ is compared with that of NaX in which the concentration of Na is about 2 times larger than in NaY. 
  Reference    Z. Naturforsch. 53a, 442—446 (1998); received December 30 1997 
  Published    1998 
  Keywords    Dehydrated Zeolite NaY, 23 Na-NMR, T\ \ Raman Process, Phonon Spectrum 
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 TEI-XML for    default:Reihe_A/53/ZNA-1998-53a-0442.pdf 
 Identifier    ZNA-1998-53a-0442 
 Volume    53