What is it about?
we address the plasmon manipulation of diamond crystal as a function of electron and hole doped concentration ranging from light to the heavy doping regime. Our results indicate that with increasing doping concentration plasmon resonances shift to lower energies into the near ultraviolet. Further, for electron and hole doped material, bulk plasmon dispersion shows a different trend compared with undoped crystal particularly at the small momentum transfer which is attributed to strong inhomogeneity of electron charge density.
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Why is it important?
At heavy doping regime, near the zone edge, optical phonons have the most growing contribution in bulk plasmon damping which may lead to enhanced plasmon-assisted Raman scattering for doped diamond.
Perspectives
This study paves the way for the comprehensive understanding and tailoring of plasmon induced scattering in carbon based materials.
Ali Kazempour
Payame Noor University
Read the Original
This page is a summary of: Plasmon scattering in electron and hole doped diamond, Superlattices and Microstructures, February 2018, Elsevier,
DOI: 10.1016/j.spmi.2018.01.003.
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