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Optical detection of ballistic electrons injected by a scanning-tunneling microscope
Linköping University, Department of Physics, Chemistry and Biology, Chemical and Optical Sensor Systems. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-7104-7127
Eindhoven University of Technology, Netherlands.
Eindhoven University of Technology, Netherlands.
Eindhoven University of Technology, Netherlands.
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2001 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 86, no 11, 2404-2407 p.Article in journal (Refereed) Published
Abstract [en]

We demonstrate a spectroscopic technique which is based on ballistic injection of minority carriers from the lip of a scanning-tunneling microscope into a semiconductor heterostructure. Ey analyzing the resulting electroluminescence spectrum as a function of tip-sample bias, both the injection barrier height and the carrier scattering rate, in the semiconductor can be determined. This technique is complementary to ballistic electron emission spectroscopy since minority instead of majority carriers are injected, which give the opportunity to study the carrier trajectory after injection.

Place, publisher, year, edition, pages
American Physical Society , 2001. Vol. 86, no 11, 2404-2407 p.
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:liu:diva-118225DOI: 10.1103/PhysRevLett.86.2404ISI: 000167445200054PubMedID: 11289940OAI: oai:DiVA.org:liu-118225DiVA: diva2:813319
Available from: 2015-05-22 Created: 2015-05-22 Last updated: 2015-05-29

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Kemerink, Martijn
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Chemical and Optical Sensor SystemsThe Institute of Technology
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