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000825255 041__ $$aEnglish
000825255 1001_ $$0P:(DE-Juel1)144355$$aJin, Fengping$$b0$$eCorresponding author$$ufzj
000825255 1112_ $$aCondensed Matter in Groningen$$cGroningen$$d2016-09-04 - 2016-09-09$$gCMD26$$wThe Netherlands
000825255 245__ $$aScreening and plasmons in pure and disordered single- and bilayer black phosphorus
000825255 260__ $$c2016
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000825255 520__ $$aWe study collective plasmon excitations and screening of pure and disordered single- and bilayer black phosphorus beyond the low energy continuum approximation. The dynamical polarizability of phosphorene is computed using a tight-binding model that properly accounts for the band structure in a wide energy range. Electron-electron interaction is considered within the Random Phase Approximation. Damping of the lasmon modes due to different kinds of disorder, such as resonant scatterers and long-range disorder potentials, is analyzed. We further show that an electric field applied perpendicular to bilayer phosphorene can be used to tune the dispersion of the plasmon modes. For sufficiently large electric field, the bilayer BP enters in a topological phase with a characteristic plasmon spectrum, which is gaped in the armchair direction.
000825255 536__ $$0G:(DE-HGF)POF3-511$$a511 - Computational Science and Mathematical Methods (POF3-511)$$cPOF3-511$$fPOF III$$x0
000825255 7001_ $$0P:(DE-HGF)0$$aRoldán, R.$$b1
000825255 7001_ $$0P:(DE-HGF)0$$aKatsnelson, M. I.$$b2
000825255 7001_ $$0P:(DE-HGF)0$$aYuan, S.$$b3
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