Self-assembled nanostructures, such as quantum dots (QDs), quantum rings (QRs) and
nanowires (NWs), have been extensively studied because of their physical properties and …

Making use of a droplet-epitaxial technique, we realize nanometer-sized quantum ring
complexes, consisting of a well-defined inner ring and an outer ring. Electronic structure …

We present an overview on approaches currently employed to fabricate advanced quantum
dot configurations by epitaxial growth. Widely investigated self-assembled quantum dots, ie …

We report the direct measurement of the persistent current carried by a single electron by
means of magnetization experiments on self-assembled InAs/GaAs quantum rings. We …

Nanometer-scale GaAs ring structure is self-assembly realized by droplet epitaxy in a lattice-
matched system. By changing the As4 flux intensity during the crystallization of Ga droplets …

The Aharonov-Bohm effect is commonly believed to be a typical feature of the motion of a
charged particle interacting with the electromagnetic vector potential. Here we present a …

We present an atomic-scale analysis of the indium distribution of self-assembled In (Ga) As
quantum rings (QRs) which are formed from InAs quantum dots by cap** with a thin layer …

We analyze theoretically the electron energy spectrum and the magnetization of an electron
in a strained In x Ga 1− x As∕ Ga As self-assembled quantum ring (SAQR) with realistic …

One-electron states in a toroidal quantum dot in the presence of an external magnetic field
have been considered. The magnetic field operator and the Schrodinger equation have …

Optical emission from type-II ZnTe/ZnSe quantum dots demonstrates large and persistent
oscillations in both the peak energy and intensity indicating the formation of coherently …