What is it about?
The strength of phonon anharmonicity is investigated in the framework of the Density Functional Per- turbation Theory via an applied constant electric field.physical quantities of the semiconductors are calculated in presence of the electron–phonon interaction directly and, phonon–phonon interaction, indirectly
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Why is it important?
The present approach, which is in good agreement with previous theoretical and experimental studies, can be introduced as a benchmark to simply investigate the anharmonicity and pertinent consequences in materials.
Perspectives
it pro-poses a fast approach to probe the anharmonicity in semi-conductors and insulators.
Ali Kazempour
Payame Noor University
Read the Original
This page is a summary of: First-principles study of anharmonic phonon effects in tetrahedral semiconductors via an external electric field, Physica B Condensed Matter, November 2016, Elsevier,
DOI: 10.1016/j.physb.2016.08.022.
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