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    STUDIA PHYSICA - Issue no. 1 / 2012  
         
  Article:   STRUCTURAL AND EPR INVESTIGATIONS OF Mn-DOPED ZnO FINE CERAMICS.

Authors:  O. RAITA, L.M. GIURGIU, I. ARDELEAN.
 
       
         
  Abstract:  

Structural, morphological and EPR investigations on Zn1-xMnxO fine ceramics (x = 0.01 and 0.03) are reported. XRD studies reveal a wurzite-type structure, while the formation of ZnMnO3 secondary phase was evidenced only for x = 0.03 sample. Both EPR spectra present a hyperfine structure specific to isolated Mn2+ ions and for the sample x = 0.03, a new quite broad resonance line arises, which could be attributed to a ferromagnetic phase.

Keywords: fine ceramics, XRD, EPR,

 
         
     
         
         
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