Structural and Physical Properties of Fe_𝟐O_𝟑-B_𝟐O_𝟑-V_𝟐O_𝟓 Glasses

Table 2

Electrical conductivity at different temperatures and the prefactor of Mott-Austin formula of 𝑥Fe₂ O₃-(40-𝑥) B₂ O₃-60V₂ O₅ glasses.

𝑥 (mol%)	𝜎320K(Ωm)^−1	𝜎400K(Ωm)^−1	𝜎500K(Ωm)^−1	log𝜎0
0	0.313×10^−4	5.435×10^−4	7.945×10^−3	2.673
5	1.600×10^−4	1.783×10^−3	1.987×10^−2	2.793
10	5.817×10^−4	7.705×10^−3	4.339×10^−2	1.750
15	2.680×10^−3	1.794×10^−2	8.853×10^−2	1.581
20	8.220×10^−3	4.194×10^−2	14.73×10^−2	1.450