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    STUDIA PHYSICA - Issue no. 2 / 2001  
         
  Article:   EPR AND MAGNETIC SUSCEPTIBILITY DATA ON MNO-B2O3-AS2O3 GLASSES.

Authors:  I. ARDELEAN, M. PETEANU, R. CICEO-LUCACEL, P. PĂŞCUŢĂ, M. FLORA.
 
       
         
  Abstract:  Glasses of the xMnO(100-x)[2B2O3As2O3] system were investigated by means of EPR and magnetic susceptibility measurements, within 0 < x  50 mol % MnO. The valence states of manganese ions, their distribution in the host matrix and the interactions implying them, were revealed in function of concentration. Structural details of the vitreous system were also evidenced at different doping levels.  
         
     
         
         
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