Electric conductivity and optical absorption edge of Cu6P(Se S1−)5I fast-ion conductors in the selenium-rich region

Temperature dependence of the energy gap in semiconductors

Y. P. Varshni · Physica · 1967 · 5.3K citations

Natural Sciences, Materials Science, Physics +16

Electronic processes in non-crystalline materials

A.K. Jonscher · Thin Solid Films · 1972 · 4K citations

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Temperature dependence of semiconductor band gaps

K.P. O’Donnell, X. Chen · Applied Physics Letters · 1991 · 1.2K citations

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Urbach rule

M. V. Kurik · physica status solidi (a) · 1971 · 592 citations

Urbach-Martienseen Rule and Exciton Trapped Momentarily by Lattice Vibrations

Hitoshi Sumi, Yutaka Toyozawa · Journal of the Physical Society of Japan · 1971 · 401 citations

Natural Sciences, Physics, Condensed Matter Physics +14