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Effect of the microstructure on transport properties of doped SLS glasses

Macalik B., Suszyńska M., Krajczyk L.

Materials Science Poland

2006

Vol. 24, No. 1

155--159

Results of thermally stimulated polarisation current measurements and transmission electron microscopy investigations of copper-exchanged soda lime silicate glasses are presented. During the ion exchange procedure, sodium ions are partially substituted by copper. It has been stated that, besides the formation of copper and copper oxide, the joint effect of chemical and thermal treatment is the modification of matrix morphology. Thus, the induced modification of transport properties could be related to mobility changes for Na+ charge carriers.

Spectroscopic and dielectric characteristics of nickel-doped porous silica glasses

Macalik B., Suszyńska M., Rysiakiewicz-Pasek E., Krawczyk L., Morawska-Kowal T., Okal J.

Optica Applicata

2005

Vol. 35, nr 4

761-767

The direct current conduction and electrical relaxation currents in nickel-doped porous silica glasses were investigated by using the thermally stimulated polarisation and depolarisation current techniques in a wide temperature range. Optical absorption measurements and transmission electron microscopy observations accompanied these studies. All characteristics were found to be affected by the porous matrix and the material filling the pores.