Electron tunnelling through a quantifiable barrier of variable width

Kurzanzeige
dc.contributor.authorWyatt, Adrian F. G.
dc.contributor.authorBromberger, Hubertus
dc.contributor.authorKlier, Jürgen
dc.contributor.authorLeiderer, Paul
dc.contributor.authorZech, Martin
dc.date.accessioned2022-08-30T13:26:23Z
dc.date.available2022-08-30T13:26:23Z
dc.date.issued2009eng
dc.description.abstractThis is the first study of electron tunnelling through a quantifiable barrier of adjustable width. We find quantitative agreement between the measured and calculated tunnelling probability with no adjustable constants. The tunnel barrier is a thin film of 3He on Cs1 which it wets. We excite photoelectrons which have to tunnel through the barrier to escape. The image potential must be included in calculating the barrier and hence the tunnelling current. This has been a debatable point until now. We confirm that an electron has a potential of 1.0 eV in liquid 3He for short times before a bubble forms. We show that the thickness of the 3He is given by thermodynamics for films of thickness at least down to 3 monolayers.eng
dc.description.versionpublishedde
dc.identifier.doi10.1088/1742-6596/150/2/022098eng
dc.identifier.urihttps://kops.uni-konstanz.de/handle/123456789/58433
dc.language.isoengeng
dc.subject.ddc530eng
dc.titleElectron tunnelling through a quantifiable barrier of variable widtheng
dc.typeJOURNAL_ARTICLEde
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kops.citation.bibtex
@article{Wyatt2009Elect-58433,
  year={2009},
  doi={10.1088/1742-6596/150/2/022098},
  title={Electron tunnelling through a quantifiable barrier of variable width},
  volume={150},
  issn={1742-6588},
  journal={Journal of Physics: Conference Series},
  author={Wyatt, Adrian F. G. and Bromberger, Hubertus and Klier, Jürgen and Leiderer, Paul and Zech, Martin},
  note={Article Number: 022098}
}
kops.citation.iso690WYATT, Adrian F. G., Hubertus BROMBERGER, Jürgen KLIER, Paul LEIDERER, Martin ZECH, 2009. Electron tunnelling through a quantifiable barrier of variable width. In: Journal of Physics: Conference Series. Institute of Physics Publishing (IOP). 2009, 150, 022098. ISSN 1742-6588. eISSN 1742-6596. Available under: doi: 10.1088/1742-6596/150/2/022098deu
kops.citation.iso690WYATT, Adrian F. G., Hubertus BROMBERGER, Jürgen KLIER, Paul LEIDERER, Martin ZECH, 2009. Electron tunnelling through a quantifiable barrier of variable width. In: Journal of Physics: Conference Series. Institute of Physics Publishing (IOP). 2009, 150, 022098. ISSN 1742-6588. eISSN 1742-6596. Available under: doi: 10.1088/1742-6596/150/2/022098eng
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    <dcterms:abstract xml:lang="eng">This is the first study of electron tunnelling through a quantifiable barrier of adjustable width. We find quantitative agreement between the measured and calculated tunnelling probability with no adjustable constants. The tunnel barrier is a thin film of &lt;sup&gt;3&lt;/sup&gt;He on Cs&lt;sub&gt;1&lt;/sub&gt; which it wets. We excite photoelectrons which have to tunnel through the barrier to escape. The image potential must be included in calculating the barrier and hence the tunnelling current. This has been a debatable point until now. We confirm that an electron has a potential of 1.0 eV in liquid 3He for short times before a bubble forms. We show that the thickness of the &lt;sup&gt;3&lt;/sup&gt;He is given by thermodynamics for films of thickness at least down to 3 monolayers.</dcterms:abstract>
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