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Electrons in Low Dimensional Systems

Course 0000003455 in SS 2021

General Data

Course Type lecture
Semester Weekly Hours 2 SWS
Organisational Unit Physics of Surfaces and Interfaces
Lecturers Francesco Allegretti
Dates Thu, 14:00–16:00, PH II 227

Assignment to Modules

Further Information

Courses are together with exams the building blocks for modules. Please keep in mind that information on the contents, learning outcomes and, especially examination conditions are given on the module level only – see section "Assignment to Modules" above.

additional remarks (1) Free and confined electrons in solids. (2) Electrons in a periodic potential: band theory of solids and dimensionality. Semiconductor materials, graphene and carbon nanotubes. (3) Two-dimensional electron gas. Quantum wells, quantum wires, quantum dots. (4) Surface electronic states, surface confinement, density of states vs. dimensionality. (5) Nanostructures and 2-D materials: from top-down control to bottom-up assembly. (6) Some important experimental techniques (scanning tunneling microscopy and spectroscopy, angle-resolved photoelectron spectroscopy, two-photon photoemission, inverse photoemission etc.) (7) Tunneling and tunnel junctions. (8) Coulomb blockade and single electron transistors. (9) Classical and semiclassical transport, ballistic transport, quantum resistance. (10) Quantum Hall effect and topological states.
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