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The diverse magneto-optical selection rules in bilayer black phosphorus
- Source :
- Scientific Reports, Scientific Reports, Vol 8, Iss 1, Pp 1-11 (2018)
- Publication Year :
- 2018
-
Abstract
- The magneto-optical properties of bilayer phosphorene is investigated by the generalized tight-binding model and the gradient approximation. The vertical inter-Landau-level transitions, being sensitive to the polarization directions, are mainly determined by the spatial symmetries of sub-envelope functions on the distinct sublattices. The anisotropic excitations strongly depend on the electric and magnetic fields. A uniform perpendicular electric field could greatly diversify the selection rule, frequency, intensity, number and form of symmetric absorption peaks. Specifically, the unusual magneto-optical properties appear beyond the critical field as a result of two subgroups of Landau levels with the main and side modes. The rich and unique magnetoabsorption spectra arise from the very close relations among the geometric structures, multiple intralayer and interlayer hopping integrals and composite external fields.
- Subjects :
- Physics
Multidisciplinary
Condensed matter physics
Bilayer
lcsh:R
lcsh:Medicine
02 engineering and technology
Landau quantization
021001 nanoscience & nanotechnology
Polarization (waves)
01 natural sciences
Article
Magnetic field
Phosphorene
chemistry.chemical_compound
chemistry
Electric field
0103 physical sciences
lcsh:Q
010306 general physics
0210 nano-technology
Anisotropy
lcsh:Science
Critical field
Subjects
Details
- ISSN :
- 20452322
- Volume :
- 8
- Issue :
- 1
- Database :
- OpenAIRE
- Journal :
- Scientific reports
- Accession number :
- edsair.doi.dedup.....e191dc0eb7d77f3acf912b275868edbb