Electrical conductivity of quartz glass measured by impedance spectroscopy between 600°C and 1100°C
- Electrical conductivity of quartz glass measured by impedance spectroscopy between 600°C and 1100°C
- M. Stamminger; 이도권; M. Nebe; J. Janek
- *게재년월은10월이지만2012년12월에출판됨; *저널사이트에 2개월늦게올라온경우로; 13년 개인평가에 반영하기로 함.
- Issue Date
- Physics and chemistry of glasses : European journal of glass science and technology. Part B,
- VOL 53, NO 5, 181-185
- The electrical conductivity of quartz glass grades with a variety of lithium and hydroxyl contents has been determined
by AC impedance spectroscopy at temperatures between 600°C and 1100°C. The samples represent glass manufactured
by electrical fusion and flame fusion of quartz crystals, as well as synthetic fused silica manufactured by hydrolysis of
a silicon-containing precursor in an oxygen–hydrogen flame. The resulting plots of conductivity versus temperature
yielded good Arrhenius dependencies enabling determination of the activation energies for electrical conduction. The
activation energies showed a change in magnitude at about 800°C. Complementing data from previous studies, the
results show that the conductivity is determined primarily by the lithium content in the natural fused quartz grades. In
the synthetic fused silica materials, the hydroxyl content plays the predominant role.
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