A detailed analysis of the Raman spectra in superconducting boron doped nanocrystalline diamond

Abstract

The light scattering properties of superconducting (Tc=3.8 K) heavily boron doped nanocrystalline diamond has been investigated by Raman spectroscopy using visible excitations. Fano type interference of the zone-center phonon line and the electronic continuum was identified. Lineshape analysis reveals Fano lineshapes with a significant asymmetry (q=-2). An anomalous wavelength dependence and small value of the Raman scattering amplitude is observed in agreement with previous studies.

4 pages, 1 figure

References in corpus (4)

• The Raman Fingerprint of Graphene
• The Diamond SQUID
• A broadband and high throughput single-monochromator Raman spectrometer; application for single-wall carbon nanotubes
• Adaptation of a commercial Raman spectrometer for multiline and broadband laser operation

Cited by in corpus (6)

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• Direct observation of the leakage current in epitaxial diamond Schottky barrier devices by conductive-probe atomic force microscopy and Raman imaging
• Superconducting boron doped nanocrystalline diamond on boron nitride ceramics
• Optical and electronic properties of sub-surface conducting layers in diamond created by MeV B-implantation at elevated temperatures
• Contact resistance of various metallisation schemes to superconducting boron doped diamond between 1.9 and 300 K
• Properties and challenges of hot-phonon physics in metals: MgB${}_2$ and other compounds