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Potential drops across quantum Hall effect samples — in the bulk or near the edges?

✍ Scribed by W. Dietsche; K. von Klitzing; K. Ploog


Book ID
116068460
Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
222 KB
Volume
361-362
Category
Article
ISSN
0039-6028

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We investigate the local conductivity of a two-dimensional electron gas (2DEG) in the regime of the quantum Hall effect with a scanning capacitance microscope. At integer Landau level filling factors the bulk of the sample is insulating, whilst we find a well-defined narrow stripe of high local cond