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'Low temperature quadrupole orientation' in keywords Facet   Publication Year 1994  [X]
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1Author    R. MarkendorfRequires cookie*
 Title    Calculated Spin-lattice Relaxation of 103Ru Compared with Low Temperature Quadrupole Orientation Measurements  
 Abstract    The spin-lattice relaxation time 7i in 103Ru has been determined on the basis of the Dirac theory and strict relativistic band structure calculations. The low temperature relaxation time T(of 103Ru in an axially symmetric quadrupole field and the quadrupole moment Q have been measured by Green and Stone using the technique of low temperature quadrupole orientation. For the usual reference value Tt T, which corresponds to relaxation in a Zeeman spectrum, they obtain 39(6) sK, which exceeds our value by 134%. This large discrepancy is attributed to the fact that the spin relaxation by direct quadrupole scattering of conduction electrons, the so-called Mitchell contribu­ tion, is dominant. According to our calculations it amounts to 81% of the total relaxation rate. This contribution could not be included in the evaluation of the experimental data. 
  Reference    Z. Naturforsch. 49a, 395—400 (1994); received September 7 1993 
  Published    1994 
  Keywords    Low temperature quadrupole orientation, Axially symmetric quadrupole field, Con­ stant of Korringa relaxation, Zeeman spectrum, Obata relation 
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 TEI-XML for    default:Reihe_A/49/ZNA-1994-49a-0395.pdf 
 Identifier    ZNA-1994-49a-0395 
 Volume    49