Development of Virtual Lattice Dynamics Method for Solving the Eigenvalue Problem of Three-Dimensional Elliptic Equation with a Multicenter Potential

Pyrkova, Olga A.; Pyrkov, Vladimir N.; Vasilets, Petr M.

doi:10.1007/978-981-33-4619-2_13

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Appendix A2 Electron Tunnelling Between the Nws1

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2022

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“…, r eh = (x e − x h ) 2 + (y e − y h ) 2 + z 2 eh is the electron-hole separation, and ε is the effective dielectric constant. To solve this equation, we implemented the virtual lattice method [29]. The results of solving Equation (A1) for m h = 5m e , B e = 1 eV, B h = B e + E g = 2 eV (E g is the band gap of the NW material) and various h-values as a function of D are presented in Figure 1.…”

Section: Discussionmentioning

confidence: 99%

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Properties of Spatially Indirect Excitons in Nanowire Arrays

Pyrkov

Burlakov

2022

Applied Sciences

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This paper deals with the excitons formed by electrons and holes located in different, closely placed semiconducting nanowires (spatially indirect excitons). We calculated the charge densities and the binding energies of the excitons for different nanowire diameters D and distances h between the nanowires. Together with the estimated exciton lifetimes, these results suggest that at certain h and D, the spatially indirect excitons in the nanowire arrays may have the potential to serve as information-processing units. Possible ways of exciton generation in the nanowire arrays are discussed.

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Section: Discussionmentioning

confidence: 99%

“…The eigen values E i and eigen functions ψ(x, y, z) were determined using the virtual lattice method [29]. The four lowest eigen energy states of Equation (A2) were found to be localized in the hole-hosting (below referred to as 'right') NW because of the strong electron-hole attraction.…”

Section: Appendix A2 Electron Tunnelling Between the Nwsmentioning

confidence: 99%