Observation of local electron states linked to the quasi-Fermi level

V. Chernichkin, A. Dobrovolsky, V. Kasiyan, A. Nicorici, S. Danilov, L. Ryabova, Z. Dashevsky, D. Khokhlov

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Abstract

We report on the observation of semiconductor local electron states linked to the quasi-Fermi level and, consequently, not characterized by the defined position in the energy spectrum which is familiar for shallow and deep impurities. This type of local electron states have been found in the doped narrow-gap semiconductor Pb 1xSn xTe(In). The binding energy of these states is less than 10meV providing photoresponse at the wavelengths exceeding 100μm.

Original languageEnglish
Article number17008
JournalEurophysics Letters
Volume100
Issue number1
DOIs
StatePublished - 1 Oct 2012

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