Ordering of PVBA on amorphous SiO2 and Pd(110)

Bert Müller, Chengzhi Cai, Martin Bösch, Matthias Jäger, Christian Bosshard, Peter Günter, Johannes V. Barth, Jens Weckesser, Klaus Kern

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


Organic thin films made of 4-trans-2-(pyrid-4-yl-vinyl) benzoic acid are produced by molecular beam deposition under ultra-high vacuum conditions. We demonstrate by optical transmission measurements and second harmonic generation that oblique incidence of the molecular beam results in thin films with a preferential orientation of the organic molecules on amorphous substrates. Using Pd(110) as crystalline substrate, our STM images reveal improved ordering due to preferential adsorption at specific lattice sites.

Original languageEnglish
Pages (from-to)171-174
Number of pages4
JournalThin Solid Films
Issue number1-2
StatePublished - 1999
Externally publishedYes


  • Molecular beam deposition
  • Oblique incidence
  • Optical anisotropy
  • Organic molecules
  • Palladium
  • Scanning tunneling microscopy
  • Second harmonic generation


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