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  • Laukkanen, P.Turun Yliopisto,University of Turku,Tammerfors tekniska universitet,Tampere University of Technology (author)

Ultrathin (1x2)-Sn layer on GaAs(100) and InAs(100) substrates : A catalyst for removal of amorphous surface oxides

  • Article/chapterEnglish2011

Publisher, publication year, extent ...

  • AIP Publishing,2011
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:kth-35636
  • https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-35636URI
  • https://doi.org/10.1063/1.3596702DOI
  • https://lup.lub.lu.se/record/2056848URI
  • https://research.chalmers.se/publication/143126URI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • QC 20110704
  • Amorphous surface oxides of III-V semiconductors are harmful in many contexts of device development. Using low-energy electron diffraction and photoelectron spectroscopy, we demonstrate that surface oxides formed at Sn-capped GaAs(100) and InAs(100) surfaces in air are effectively removed by heating. This Sn-mediated oxide desorption procedure results in the initial well-defined Sn-stabilized (1x2) surface even for samples exposed to air for a prolonged time. Based on ab initio calculations we propose that the phenomenon is due to indirect and direct effects of Sn. The Sn-induced surface composition weakens oxygen adsorption.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Punkkinen, Marko Patrick JohnKTH,Materialvetenskap,Russian Academy of Sciences,Kungliga Tekniska Högskolan (KTH),Royal Institute of Technology (KTH),Turun Yliopisto,University of Turku(Swepub:kth)u1vmlqqu (author)
  • Lång, J.Turun Yliopisto,University of Turku (author)
  • Tuominen, M.Turun Yliopisto,University of Turku (author)
  • Kuzmin, M.Lunds universitet,Lund University,Turun Yliopisto,University of Turku (author)
  • Tuominen, V.Turun Yliopisto,University of Turku (author)
  • Dahl, J.Turun Yliopisto,University of Turku (author)
  • Adell, JohanLund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory,Polish Academy of Sciences(Swepub:cth)adell (author)
  • Sadowski, JanuszLund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory,Polish Academy of Sciences,Chalmers tekniska högskola,Chalmers University of Technology(Swepub:lu)maxl-jsa (author)
  • Kanski, Janusz,1946Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)f1xjk (author)
  • Polojärvi, V.Tammerfors tekniska universitet,Tampere University of Technology (author)
  • Pakarinen, J.Teknologian Tutkimuskeskus (VTT),Technical Research Centre of Finland (VTT) (author)
  • Kokko, K.Turun Yliopisto,University of Turku (author)
  • Guina, M.Tammerfors tekniska universitet,Tampere University of Technology (author)
  • Pessa, M.Tammerfors tekniska universitet,Tampere University of Technology (author)
  • Väyrynen, I. J.Turun Yliopisto,University of Turku (author)
  • Turun YliopistoTammerfors tekniska universitet (creator_code:org_t)

Related titles

  • In:Applied Physics Letters: AIP Publishing98:23, s. 231908-1-231908-30003-69511077-3118

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