| Issue |
Europhys. Lett.
Volume 45, Number 2, January 1999
|
|
|---|---|---|
| Page(s) | 208 - 214 | |
| Section | Condensed matter: structure, thermal and mechanical properties | |
| DOI | https://doi.org/10.1209/epl/i1999-00148-y | |
| Published online | 01 September 2002 | |
Anisotropic surface stress on W(110)
Max-Planck-Institut für Mikrostrukturphysik - Weinberg 2, D-06120 Halle,
Germany
Received:
14
September
1998
Accepted:
9
November
1998
Anisotropic adsorbate-induced biaxial surface stress is measured for the
adsorption of sub-monolayers of Fe and O on W(110). Half a monolayer of Fe
induces compressive stress of 
along W[001] and tensile stress of 
along ![$\rm W[\bar 110]$](/articles/epl/abs/1999/02/45211/45211_tex_eq3.png)
, whereas a 
-O structure induces compressive stress
of 
along , and causes only a minute stress of 
along W[001]. The O-induced surface stress is ascribed to a release of the anisotropic
surface stress of the clean W crystal, whereas for Fe coverages, the surface
stress of the Fe-W composite determines the measured stress.
PACS: 68.35.Bs – Surface structure and topography / 68.35.Gy – Mechanical and acoustical properties; adhesion / 68.35.Md – Surface energy; thermodynamic properties
© EDP Sciences, 1999
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