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- Title
Absorption edges of black phosphorus: A comparative analysis.
- Authors
Nicotra, G.; Politano, A.; Mio, A. M.; Deretzis, I.; Hu, J.; Mao, Z. Q.; Wei, J.; La Magna, A.; Spinella, C.
- 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.
- Subjects
COMPARATIVE studies; DESORPTION; ABSORPTION; PHOSPHORUS; TRANSMISSION electron microscopy
- Publication
Physica Status Solidi (B), 2016, Vol 253, Issue 12, p2509
- ISSN
0370-1972
- Publication type
Article
- DOI
10.1002/pssb.201600437