Absorption edges of black phosphorus: A comparative analysis

G. Nicotra, A. Politano, A. M. Mio, I. Deretzis, J. Hu, Z. Q. Mao, J. Wei, A. La Magna, C. Spinella

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

We have studied the excited states of black phosphorus through the analysis of K and L absorption edges of black phosphorus with energy-filtered transmission electron microscopy. Energy-loss spectra exhibit several peaks reflecting features in the density of conduction-band states at corresponding energies above the vacuum level. We have reproduced the experimental electron energy-loss near-edge structures by means of ab initio self-consistent real-space multiple-scattering theory. The comparison of the calculated symmetry-projected density of unoccupied states and electron energy loss spectra allowed us to assign the spectral features to transitions to specific electronic states.

Original languageEnglish (US)
Pages (from-to)2509-2514
Number of pages6
JournalPhysica Status Solidi (B) Basic Research
Volume253
Issue number12
DOIs
StatePublished - Dec 1 2016

Fingerprint

Phosphorus
phosphorus
Energy dissipation
energy dissipation
electron energy
Electrons
Multiple scattering
Electronic states
Conduction bands
Excited states
energy
conduction bands
Vacuum
Transmission electron microscopy
vacuum
transmission electron microscopy
symmetry
scattering
electronics
excitation

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Nicotra, G., Politano, A., Mio, A. M., Deretzis, I., Hu, J., Mao, Z. Q., ... Spinella, C. (2016). Absorption edges of black phosphorus: A comparative analysis. Physica Status Solidi (B) Basic Research, 253(12), 2509-2514. https://doi.org/10.1002/pssb.201600437
Nicotra, G. ; Politano, A. ; Mio, A. M. ; Deretzis, I. ; Hu, J. ; Mao, Z. Q. ; Wei, J. ; La Magna, A. ; Spinella, C. / Absorption edges of black phosphorus : A comparative analysis. In: Physica Status Solidi (B) Basic Research. 2016 ; Vol. 253, No. 12. pp. 2509-2514.
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Nicotra, G, Politano, A, Mio, AM, Deretzis, I, Hu, J, Mao, ZQ, Wei, J, La Magna, A & Spinella, C 2016, 'Absorption edges of black phosphorus: A comparative analysis', Physica Status Solidi (B) Basic Research, vol. 253, no. 12, pp. 2509-2514. https://doi.org/10.1002/pssb.201600437

Absorption edges of black phosphorus : A comparative analysis. / Nicotra, G.; Politano, A.; Mio, A. M.; Deretzis, I.; Hu, J.; Mao, Z. Q.; Wei, J.; La Magna, A.; Spinella, C.

In: Physica Status Solidi (B) Basic Research, Vol. 253, No. 12, 01.12.2016, p. 2509-2514.

Research output: Contribution to journalArticle

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T1 - Absorption edges of black phosphorus

T2 - A comparative analysis

AU - Nicotra, G.

AU - Politano, A.

AU - Mio, A. M.

AU - Deretzis, I.

AU - Hu, J.

AU - Mao, Z. Q.

AU - Wei, J.

AU - La Magna, A.

AU - Spinella, C.

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N2 - We have studied the excited states of black phosphorus through the analysis of K and L absorption edges of black phosphorus with energy-filtered transmission electron microscopy. Energy-loss spectra exhibit several peaks reflecting features in the density of conduction-band states at corresponding energies above the vacuum level. We have reproduced the experimental electron energy-loss near-edge structures by means of ab initio self-consistent real-space multiple-scattering theory. The comparison of the calculated symmetry-projected density of unoccupied states and electron energy loss spectra allowed us to assign the spectral features to transitions to specific electronic states.

AB - We have studied the excited states of black phosphorus through the analysis of K and L absorption edges of black phosphorus with energy-filtered transmission electron microscopy. Energy-loss spectra exhibit several peaks reflecting features in the density of conduction-band states at corresponding energies above the vacuum level. We have reproduced the experimental electron energy-loss near-edge structures by means of ab initio self-consistent real-space multiple-scattering theory. The comparison of the calculated symmetry-projected density of unoccupied states and electron energy loss spectra allowed us to assign the spectral features to transitions to specific electronic states.

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