Nanoscale periodicity in stripe-forming systems at high temperature: Au/W(110)

Details Nanoscale periodicity in stripe-forming systems at high temperature: Au/W(110) Nanoscale periodicity in stripe-forming systems at high temperature: Au/W(110)

2008-04-08

arxiv.org/abs/0804.1273v1

Phys. Rev. Lett. 100, 186102 (2008)

Physics

Condensed Matter

Materials Science

5 pages

Scientific paper

10.1103/PhysRevLett.100.186102

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.

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