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Comment: 4 pages, 2 figures, to appear in Appl. Phys. Lett
Single electron charging effects in a surface-gated InSb/AlInSb QW structure are reported. This material, due to its large g-factor and light effective mass, offers considerable advantages over more commonly used materials, such as GaAs, for quantum information processing devices. However, differences in material and device technology result in significant processing challenges. Simple Coulomb blockade and quantised confinement models are considered to explain the observation of conductance oscillations in these structures. The charging energy is found to be comparable with the energy spectrum for single particle states.
Comment: 4 pages, 2 figures, 1 table, references. Submitted to the Microelectronic Journal
Comment: 4 pages, 2 figures, 2 tables. Submitted to the Microelectronic Journal
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