Abstract
THE importance of lattice effects on the theory of disordered materials has recently been emphasized by Anderson1, who points out that the localized electronic states which are expected in amorphous substances should undergo large Franck-Condon shifts, that is, an increase in the binding energy due to deformation of the lattice. He presents a calculation to indicate that these shifts might lead, in certain cases, to a true gap in the density of states even in the absence of lattice periodicity.
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References
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Shore, H. B., and Sander, L. M., Phys. Rev., BIO, 4537 (1973).
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SHORE, H., SANDER, L. & KLEINMAN, L. Phonon Effects on Localized Electrons. Nature Physical Science 245, 44–45 (1973). https://doi.org/10.1038/physci245044a0
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DOI: https://doi.org/10.1038/physci245044a0
