A quantum approach to photodarkening in chalcogenides

Jai Singh, I OH

    Research output: Contribution to journalArticle

    Abstract

    We present a microscopic quantum mechanical theory to calculate the reduction in the band gap energy due to illumination in chalcogenides. It is shown that photodarkening occurs due to the strong-carrier lattice interaction leading to pairing of the excited charge carriers. Results demonstrate similar behavior as observed in some experiments. � 2005 Elsevier B.V. All rights reserved.
    Original languageEnglish
    Pages (from-to)1582-1585
    Number of pages4
    JournalJournal of Non-Crystalline Solids
    Volume351
    Publication statusPublished - 2005

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