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Nanostructure design for surface-enhanced Raman spectroscopy - prospects and limits
Sanshui Xiao, Niels Asger Mortensen, Antti-Pekka Jauho
Surface-enhanced Raman spectroscopy (SERS) allows single-molecule detection due to the strong field localization occurring at sharp bends or kinks of the metal-vacuum interface. An…
Optical properties of graphene antidot lattices
Thomas G. Pedersen, Christian Flindt, Jesper Pedersen +3
Undoped graphene is semi-metallic and thus not suitable for many electronic and optoelectronic applications requiring gapped semiconductor materials. However, a periodic array of h…
Graphene Antidot Lattices - Designed Defects and Spin Qubits
Thomas G. Pedersen, Christian Flindt, Jesper Pedersen +3
Antidot lattices, defined on a two-dimensional electron gas at a semiconductor heterostructure, are a well-studied class of man-made structures with intriguing physical properties.…
Transport in Silicon Nanowires: Role of Radial Dopant Profile
Troels Markussen, Riccardo Rurali, Antti-Pekka Jauho +1
We consider the electronic transport properties of phosphorus (P) doped silicon nanowires (SiNWs). By combining ab initio density functional theory (DFT) calculations with a recurs…
Spin qubits in antidot lattices
Jesper Pedersen, Christian Flindt, Niels Asger Mortensen +1
We suggest and study designed defects in an otherwise periodic potential modulation of a two-dimensional electron gas as an alternative approach to electron spin based quantum info…
Designed defects in 2D antidot lattices for quantum information processing
Jesper Pedersen, Christian Flindt, Niels Asger Mortensen +1
We propose a new physical implementation of spin qubits for quantum information processing, namely defect states in antidot lattices defined in the two-dimensional electron gas at…