What is it about?
the carrier-phonon and carrier-carrier vertex functions are evaluated in diamond crystal under different hydrostatic pressure up to 140 GPa and the phonon induced quasiparticle renormalization is measured at diverse linear and non-linear pressure regimes.
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Why is it important?
Particularly, reduction of the phonon induced renormalization with increasing pressure on the system is an indication of a transition from strong to a weak polaronic nature, which is in good accordance with experimental and theoretical studies. Our study recommends the hydrostatic pressure adjusts the significant contribution of electron-phonon self-energy in the electronic-related features of carbon-based materials as a new probe.
Perspectives
It paves the way for complete realization of different dynamics mechanism of charge carriers in common carbon-based materials for designing renewable energy materials
Ali Kazempour
Payame Noor University
Read the Original
This page is a summary of: Pressure dependency of electron-phonon renormalization in diamond, Diamond and Related Materials, November 2016, Elsevier,
DOI: 10.1016/j.diamond.2016.10.015.
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