D.c. conductivity and hopping mechanism in Bi2O3-B2O3glasses
β Scribed by S. P. Yawale; S. V. Pakade
- Publisher
- Springer
- Year
- 1993
- Tongue
- English
- Weight
- 384 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0022-2461
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π SIMILAR VOLUMES
CeO 2 -B 2 O 3 glasses having a broad range of compositions, prepared by a press-quenching method from glass melts, were studied for DC conductivity. The conductivity at 583 K (1000/T ΒΌ 1.715 K Γ1 ), ln s 583 , increases by about 16% in the composition regime 20-50 mol% CeO 2 while in the compositio
Electron paramagnetic resonance (EPR) studies have been performed on the glass system (30-x)NaF-xNa20-50B203-20Bi203 doped with CuO as a paramagnetic probe. The calculated gvalues indicate that Cu 2Γ· is in a tetragonally elongated octahedral co-ordination, and the Jahn-Teller character gives rise to