A scanning tunneling microscopy based potentiometry technique and its application to the local sensing of the spin Hall effect
Source abstract
Abstract
A scanning tunneling microscopy based potentiometry technique for the measurements of the local surface electric potential is presented. A voltage compensation circuit based on this potentiometry technique is developed and employed to maintain a desired tunneling voltage independent of the bias current flow through the film. The application of this potentiometry technique to the local sensing of the spin Hall effect is outlined and some experimental results are reported.
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Research context
OpenAlex topics: Magnetic properties of thin films · Quantum and electron transport phenomena · Surface and Thin Film Phenomena
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Affiliations
Department of Electrical and Computer Engineering, University of Maryland 1 , College Park, Maryland 20742, USA
Department of Physics, University of Maryland 2 , College Park, Maryland 20742, USA
Laboratory for Physical Sciences 3 , College Park, Maryland 20740, USA
References (10)
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