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Quantum Transport in Topological Insulators and Nanopatterned Superconducting Systems

URN to cite this document:
urn:nbn:de:bvb:355-epub-586724
DOI to cite this document:
10.5283/epub.58672
Hartl, Stefan F.
[img]License: Creative Commons Attribution 4.0
PDF - Submitted Version
Dissertation Stefan Hartl
(44MB)
Date of publication of this fulltext: 23 Jul 2024 07:36


Abstract (English)

The first experiment discussed in this thesis investigates strained 3D HgTe, a strong topological insulator with conducting surface states. Resistance measurements show a pronounced quantum Hall effect observed at millikelvin temperatures in a magnetic field perpendicular to the sample geometry. This effect occurs despite the fact that the current is carried by electrons from the top surface, the ...

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Translation of the abstract (German)

Das erste in dieser Arbeit behandelte Experiment untersucht verspanntes 3D-HgTe, einen starken topologischen Isolator mit leitenden Oberflächenzuständen. Widerstandsmessungen zeigen einen ausgeprägten Quanten-Hall-Effekt, der bei Millikelvin-Temperaturen in einem Magnetfeld senkrecht zur Probengeometrie beobachtet wird. Dieser Effekt tritt trotz der Tatsache auf, dass der Strom von Elektronen aus ...

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