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Conductivity Relaxation in Iodomolybdate Glass-Nanocomposites Embedded with ZnO Nanoparticles and α-AgI Nanocrystals

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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.

Keywords: CONDUCTIVITY RELAXATION; GLASS-NANOCOMPOSITES; ZNO NANOPARTICLES

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2007.808

Publication date: October 1, 2007

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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