quantum rings – TechConnect Briefs

Resonance Tunneling in Concentric Quantum Rings

Nimmo J., North Carolina Central University, US

In the present work, the phenomenon known as resonance tunneling due to the presents of a magnetic field perpendicular to the surface of double concentric rings (DCQR) is presented. It has shown that in the [...]

C-V Data and Geometry Parameters of Self-Assembled INAS/GAAS Quantum Rings

Filikhin I., Suslov V.M., Vlahovic B., North Carolina Central University, US

In present work we focus on these problems and on the interpretation of the recent CV data given in W. Lei, C. Notthoff, A. Lorke, D. Reuter and A. D. Wieck (Appl. Phys. Lett. 96, [...]

Electron Transition Between Weakly Coupled Concentric Quantum Rings

Filikhin I., Matinyan S.G., Nimmo J., Vlahovic B., North Carolina Central University, US

We investigate the electron wavefunction localization in double concnetric quantum rings when a magentic field is applied.

Electron Energy States of INAS/GAAS Quantum Ring Array

Filikhin I., Deyneka E., Melikian G., Vlahovic B., North Carolina Central University, US

Planar array of semiconductor quantum rings is studied under the energy dependent effective mass approximation. Rectangular shape InAs quantum rings (QR) are embedded into the GaAs substrate. The 3D confined energy problem is solved numerically [...]