What is it about?
the carrier–phonon vertex function is evaluated in tetrahedral semiconductor silicon and diamond crystal. Moreover, the phonon in-duced quasiparticle spectral renormalization factors, phonon line-widths and carrier velocity renormalizations are evaluated at different temperatures.
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Why is it important?
it suggest that going to the higher temperatures makes considerable deviation from first-order phonon-induced to the second-order phonon perturbation of electron energies.
Perspectives
Our study provides useful knowledge of the main loss mechanisms and paves the way for complete understanding of charge carriers in materials for renewable energy.
Ali Kazempour
Payame Noor University
Read the Original
This page is a summary of: Polaronic correlation offsets in tetrahedral semiconductors, Diamond and Related Materials, November 2015, Elsevier,
DOI: 10.1016/j.diamond.2015.10.008.
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