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Nanoscale periodicity in stripe-forming systems at high temperature: Au/W(110) | | J. de la Figuera
; F. Leonard
; R. Stumpf
; N. C. Bartelt
; K. F. McCarty
; | | Date: |
8 Apr 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 non-patterned (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 phase 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. | | Source: | arXiv, 0804.1273 | | Services: | Forum | Review | PDF | Favorites | |
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