course: Master Practrical Course nanoelectronics

number:
142380
teaching methods:
practical course
responsible person:
Prof. Dr.-Ing. Martin Hoffmann
lecturer:
Dr.-Ing. Claudia Bock (ETIT)
language:
german
HWS:
3
CP:
3
offered in:
summer term

dates in winter term

  • lab: according to agreement

dates in summer term

  • lab: according to agreement

Exam

All statements pertaining to examination modalities (for the summer/winter term of 2020) are given with reservations. Changes due to new requirements from the university will be announced as soon as possible.
Form of exam:lab
Registration for exam:Directly with the lecturer
continual assessment

goals

The students have gained understanding of the lock-in technique as well as of quantum-mechanical and electrostatic effects in low-dimensional charge carrier systems.

content

This practical course gives an introduction into the electrical characterisation of low-dimensional charge carrier systems at low temperatures on the basis of three experiments. For the electrical characterisation of a nonlinear two-terminal network the lock-in technique is used (first experiment). The quantization energy and the coulomb blockade energy of a 0D InAs quantum dot ensemble are determined with the help of dynamic capacity-spectroscopy in the second experiment. In 1-dimensional electronic waveguide structures the differential conductance displays a stepped differential conductance due to quantisation, as shown in the third experiment.

requirements

keine

recommended knowledge

  • Course: Low-Dimensional Semiconductor Systems