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Low-temperature scanning-tunneling microscope for luminescence measurements in high magnetic fields
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: Review of Scientific Instruments, ISSN 0034-6748, E-ISSN 1089-7623, Vol. 72, no 1, 132-135 p.Article in journal (Refereed) Published
Abstract [en]

We have designed and built a low-temperature (1.3-4.2 K) scanning-tunneling microscope which is capable of collecting light that is generated in the tunneling region. Light collection is done by means of two fibers whose cleaved front is in close proximity (approximate to1 mm) to the tunneling region. The whole system can be operated in high magnetic fields (11 T) without loss of optical signal strength. As a demonstration, we measured the electroluminescence spectra of an InGaAs quantum well at various temperatures. At 4.2 K, we found an electron-to-photon conversion factor that is three orders of magnitude higher than at room temperature. (C) 2001 American Institute of Physics.

Place, publisher, year, edition, pages
American Institute of Physics (AIP) , 2001. Vol. 72, no 1, 132-135 p.
National Category
Physical Sciences
URN: urn:nbn:se:liu:diva-118228DOI: 10.1063/1.1333045ISI: 000166136100017OAI: diva2:813315
Available from: 2015-05-22 Created: 2015-05-22 Last updated: 2015-05-29

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Kemerink, Martijn
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