Journal
SURFACE SCIENCE
Volume 617, Issue -, Pages 225-228Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.susc.2013.08.001
Keywords
Antimony; Debye temperature; Debye-Waller factor; Helium atom scattering
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Funding
- European Commission
- Styrian Government within the ERDF program
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The surface Debye temperature and the vibrational dynamics of Sb(111) were studied using helium atom scattering. The Debye-Waller attenuation of the elastic diffraction peaks was measured at surface temperatures between 98 K and 447 K. A surface Debye temperature of (155 +/- 3)K is obtained within the description originally derived for electron diffraction. The attractive well depth for the He-Sb(111) interaction is determined to be (4.5 +/- 0.5) meV. The perpendicular mean-square displacement for the surface at room temperature is estimated to be (1.8 +/- 0.4) x 10(-2)angstrom(2). (C) 2013 Elsevier B.V. All rights reserved.
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