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

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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

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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