Self-organized, one demensional Pt nanowires on Ge(001)

O. Gurlu, Henricus J.W. Zandvliet, Omer A.O. Adam, Bene Poelsema

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Pt atoms adsorbed onto Ge(001) surface form extremely well-ordered nanowire arrays by self-organization after high-temperature annealing. Using scanning tunneling spectroscopy/microscopy, it is shown that they are metallic and defect free. They are only 0.4 nm thick with a spacing of 1.6 nm in between, and have aspect ratios up to 1000. Their formation can be discussed in terms of a relativistic property possessed by heaviest 5d elements, and the pathway to their formation can be explained by dimer breakup on Ge(001) surface at elevated temperatures followed by a surface polymerization reaction
Original languageUndefined
Pages (from-to)4610-4612
Number of pages3
JournalApplied physics letters
Issue number22
Publication statusPublished - 2003


  • METIS-214154
  • IR-73076

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