Conductivity Relaxation in Iodomolybdate Glass-Nanocomposites Embedded with ZnO Nanoparticles and α-AgI Nanocrystals
Abstract:We have reported the conductivity relaxation of the 0.70AgI-0.15Ag2O-0.15(xZnO-(1 − x)MoO3), glass-nanocomposites embedded with ZnO nanoparticles and α-AgI nanocrystals. Formation of ZnO nanoparticles and α-AgI nanocrystals was confirmed from field emission scanning electron microscopy (FE-SEM)and high-resolution transmission electron microscopy (HR-TEM). It is observed that the conductivity relaxation process depends upon the size of the ZnO nanoparticles embedded in the host glass matrix. The variation of conductivity relaxation time and stretched exponent is correlated with their structure. The scaling of the modulus spectra reveals that the relaxation dynamics of Ag+ ions is independent of temperature but depends on composition.
Document Type: Research Article
Publication date: 2007-10-01
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