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

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

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 rev...

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Veröffentlicht in:physica status solidi (b) 2012-12, Vol.249 (12), p.2656-2659
Hauptverfasser: Szirmai, Péter, Pichler, Thomas, Williams, Oliver A., Mandal, Soumen, Bäuerle, Christopher, Simon, Ferenc
Format: Artikel
Sprache:eng
Schlagworte:
boron doping
Condensed Matter
diamond
Materials Science
MPCVD
Physics
Raman spectroscopy
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Zusammenfassung: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.
ISSN:0370-1972
1521-3951
DOI:10.1002/pssb.201200461