University of PardubiceFaculty of Chemical Technology

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Mixed ion-polaron transport in ZnO-WO3-P2O5 glasses containing Na2O and Li2O

Authors: Šantić Ana | Nikolić Juraj | Pajić Damir | Dragović Jure | Mošner Petr | Koudelka Ladislav | Moguš-Milanković Andrea

Year: 2016

Type of publication: ostatní - přednáška nebo poster

Page from-to: nestránkováno

Titles:

Language	Name	Abstract	Keywords
eng	Mixed ion-polaron transport in ZnO-WO3-P2O5 glasses containing Na2O and Li2O	The aim of this study was to investigate the mechanism of electrical transport in glasses containing WO3 and Na+/Li+ ions, namely, glasses from series xWO3-(30-0.5x)Na2O-(30-0.5x)ZnO-40P2O5, 0≤x≤60 (mol%) and xWO3-(30-0.5x)Li2O-(30-0.5x)ZnO-40P2O5, 0≤x≤40 (mol%). Electrical properties of glasses were measured by impedance spectroscopy in the wide frequency and temperature range (0.01 Hz - 2 MHz, 303 - 513 K). The fraction of tungsten ions in different valence states,W5+/Wtot, was determined from the temperature dependence of magnetization, measured with SQUID magnetometer, and analysed using the Curie constant attributed to the isolated paramagnetic centres W5+.	zinc phosphate glasses; WO3; electrical properties