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Self-assembly of ultrafine nanolines upon Ho reaction with the Ge(001) surface

Bonet, C. and Tear, S.P. (2006) Self-assembly of ultrafine nanolines upon Ho reaction with the Ge(001) surface. Applied Physics Letters, 89 (20). pp. 203119-1. ISSN 0003-6951

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The reaction of the rare earth metal Ho with the Ge(001) surface at 440 °C has been studied by scanning tunneling microscopy (STM). The self-assembly of ultrafine nanolines growing along substrate 110 directions has been observed, and based on atomic resolution STM images, the authors propose a model of the nanolines and comment on their relationship to the very initial stages of growth of a hexagonal germanide structure. The authors further report the presence of nanoscale trenches associated with well-ordered lines of missing dimer defects and discuss the relationship of these to the nanolines. Their results have possible applications involving interconnects or templating in nanoscale devices, and additionally, may provide insight into the nucleation mechanism of coarser nanowires.

Item Type: Article
Institution: The University of York
Academic Units: The University of York > Physics (York)
Depositing User: York RAE Import
Date Deposited: 14 Aug 2009 09:52
Last Modified: 14 Aug 2009 09:52
Published Version: http://dx.doi.org/10.1063/1.2390636
Status: Published
Publisher: American Institute of Physics
Identification Number: 10.1063/1.2390636
URI: http://eprints.whiterose.ac.uk/id/eprint/5634

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