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- Title
Electrostatics of Nanowire Radial p-n Heterojunctions.
- Authors
Borblik, Vitalii
- Abstract
The electrostatics of a nanowire radial heterostructure p-n junction is considered theoretically. It is shown that when the radius of the core-shell interface decreases, depletion width of the core increases, but depletion width of the shell, on the contrary, decreases. This is the consequence of cylindrical symmetry of the structure. Thereby, the relative contribution from the constituent materials into performance characteristics of the devices, which use a heterostructure p-n junction, changes substantially. Values of the depletion widths in the heterostructure p-n junction prove to be intermediate between those in radial homostructure p-n junctions made of the constituent materials at the same doping levels. An analogous situation takes place for a barrier capacitance of the radial heterostructure p-n junction.
- Subjects
ELECTRIC properties of nanowires; PIN diodes; ELECTROSTATICS; HETEROJUNCTIONS; CRYSTAL symmetry
- Publication
Journal of Electronic Materials, 2018, Vol 47, Issue 7, p4022
- ISSN
0361-5235
- Publication type
Article
- DOI
10.1007/s11664-018-6288-4