The electrical conductivity in chalcogenide glasses is found to obey the Meyer–Neldel rule,σ=σ00eΔE/EMNe−ΔE/kT. The Meyer–Neldel characteristic energy, EMN, lies in the range 25–60 meV with σ00 in the range 10−5–10−15 S cm-1 which seems to be too small for band transport. A surprising correlation between σ00and EMN is also found.
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Shimakawa et al. (1997) studied this question.
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