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'Internal Magnetic Field' in keywords Facet   section ZfN Section A:Volume 053  [X]
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1998 (1)
1Author    E. A. Kravchenko, V. G. Orlov, SuanHai Fam, YuF. KarginRequires cookie*
 Title    Bi NQR and Magnetic Properties of Bismuth Oxide-Based Compounds  
 Abstract    The NQR line shapes of 209 Bi in the a-Bi 2 0 3 -based mixed oxides Bi 2 0 3 • 2M 2 0 3 (M = Al, Ga). Bi 2 0 3 • 3Ge0 2 , and 2Bi 2 0 3 • 3Ge0 2 are recorded in zero and weak magnetic fields (// ext < 500 Oe) and compared with the results of computer simulation. Splittings and line shape asymmetry, exhibited by the resonances, suggest that internal magnetic fields, similar to those earlier reported for a-Bi 2 0 3 and Bi 3 0 4 Br, may exist in these compounds. In the spectra of single crystal Bi 4 Ge 3 0 12 , the line multiplicity in external magnetic fields is higher than simulated, which might results from domains in the crystal. In external magnetic fields a notable increase in the line intensity was observed, the effect depend-ing on the mutual orientation of the EFG axes and the fields perturbing the nuclear spin system. 
  Reference    Z. Naturforsch. 53a, 504—513 (1998); received January 26 1998 
  Published    1998 
  Keywords    209 Bi NQR, Internal Magnetic Field, Line Shape, Applied Magnetic Field, Computer Simulation 
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 TEI-XML for    default:Reihe_A/53/ZNA-1998-53a-0504.pdf 
 Identifier    ZNA-1998-53a-0504 
 Volume    53