Nanoscale Periodicity in Stripe-Forming Systems at High Temperature: Au/W(110)

J. de la Figuera, F. Léonard, N. C. Bartelt, R. Stumpf, and K. F. McCarty
Phys. Rev. Lett. 100, 186102 – Published 6 May 2008

Abstract

We observe using low-energy electron microscopy the self-assembly of monolayer-thick stripes of Au on W(110) near the transition temperature between stripes and the nonpatterned (homogeneous) phase. We demonstrate that the amplitude of this Au-stripe phase decreases with increasing temperature and vanishes at the order-disorder transition (ODT). The wavelength varies much more slowly with temperature and coverage than theories of stress-domain patterns with sharp boundaries would predict, and maintains a finite value of about 100 nm at the ODT. We argue that such nanometer-scale stripes should often appear near the ODT.

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  • Received 22 August 2007

DOI:https://doi.org/10.1103/PhysRevLett.100.186102

©2008 American Physical Society

Authors & Affiliations

J. de la Figuera1,2, F. Léonard3, N. C. Bartelt3, R. Stumpf3, and K. F. McCarty3

  • 1Insituto de Química-Física “Rocasolano”, CSIC, Madrid 28006 Spain
  • 2Centro de Microanálisis de Materiales, Universidad Autónoma de Madrid, Madrid 28049, Spain
  • 3Sandia National Laboratories, Livermore, California 94550, USA

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Issue

Vol. 100, Iss. 18 — 9 May 2008

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