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


Gurlu, Oguzhan and Adam, Omer A.O. and Zandvliet, Harold J.W. and Poelsema, Bene (2003) Self-organized, one-dimensional Pt nanowires on Ge(001). Applied Physics Letters, 83 (22). pp. 4610-4612. ISSN 0003-6951

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Abstract: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
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Copyright:© 2003 American Institute of Physics
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