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    STUDIA PHYSICA - Issue no. SPECIAL ISSUE / 2001  
         
  Article:   ELECTRICAL BEHAVIOUR OF FE2O3 - B2O3 - CAO GLASSES.

Authors:  I. ARDELEAN, P. PĂŞCUŢĂ.
 
       
         
  Abstract:  Electric resistivity measurements have been performed on xFe2O3Ľ(100-x) [3B2O3CaO] glasses with 0 < x  50 mol%.The electrical resistivity and the conductivity activation energy decreases with the Fe2O3 content. In order to analyze the electrical data, we have considered in these glasses a polaronic model for conduction.  
         
     
         
         
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