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Semiconductor Nanostructures: Quantum states and electronic transport
  • T. Ihn
  • Materials Science
  • 1 February 2010
1. Introduction 2. Semiconductor Crystals 3. Band Structure 4. Envelope function and effective mass approximation 5. Material aspects of heterostructures, doping, surfaces, and gating 6. FabricationExpand
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Two-dimensional electron gases in heterostructures
  • T. Ihn
  • Materials Science
  • 26 November 2009
  • 97
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Energy gaps in etched graphene nanoribbons.
Transport measurements on an etched graphene nanoribbon are presented. It is shown that two distinct voltage scales can be experimentally extracted that characterize the parameter region ofExpand
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Dipole coupling of a double quantum dot to a microwave resonator.
We demonstrate the realization of a hybrid solid-state quantum device, in which a semiconductor double quantum dot is dipole coupled to the microwave field of a superconducting coplanar waveguideExpand
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Quantum capacitance and density of states of graphene
We report on measurements of the quantum capacitance in graphene as a function of charge carrier density. A resonant LC-circuit giving high sensitivity to small capacitance changes is employed. TheExpand
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Transport gap in side-gated graphene constrictions
We present measurements on side-gated graphene constrictions of different geometries. We characterize the transport gap by its width in back-gate voltage and compare this to an analysis based onExpand
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Localized charge carriers in graphene nanodevices
Graphene—two-dimensional carbon—is a material with unique mechanical, optical, chemical, and electronic properties. Its use in a wide range of applications was therefore suggested. From an electronicExpand
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Coherent spin–photon coupling using a resonant exchange qubit
Electron spins hold great promise for quantum computation because of their long coherence times. Long-distance coherent coupling of spins is a crucial step towards quantum information processing withExpand
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Tunable graphene single electron transistor.
We report electronic transport experiments on a graphene single electron transistor. The device consists of a graphene island connected to source and drain electrodes via two narrow grapheneExpand
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Strong Coupling Cavity QED with Gate-Defined Double Quantum Dots Enabled by a High Impedance Resonator
The strong coupling limit of cavity quantum electrodynamics (QED) implies the capability of a matter-like quantum system to coherently transform an individual excitation into a single photon within aExpand
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