Electrical conductance of silver nanoparticles grown in glass-ceramic

Roy, B. ; Chakravorty, D. (1990) Electrical conductance of silver nanoparticles grown in glass-ceramic Journal of Physics: Condensed Matter, 2 (47). pp. 9323-9334. ISSN 0953-8984

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Official URL: http://iopscience.iop.org/0953-8984/2/47/007

Related URL: http://dx.doi.org/10.1088/0953-8984/2/47/007


Conducting films consisting of silver particles of diameters ranging from 4 to 12 nm have been grown in glass-ceramic by subjecting the latter to a Li+ to or from Ag+ exchange followed by a suitable reduction treatment. The DC electrical resistance of these films has been measured over the temperature range 80-300 K. The resistivity data have been analysed in terms of the Ziman theory of electron-phonon scattering. The effective Debye temperature θp has been estimated by fitting the experimental data to Ziman's equation. θp is seen to vary from 98 to 192 K for silver particle sizes ranging from 4.3 to 11.0 nm. The silver particle aggregates in the present system have a fractal microstructure with fractal dimensions of around 1.6 and 1.9, respectively.

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