Long jump rates in surface diffusion: Won W(110)

Physical Review Letters

Volumn 92, Issue 16, 2004, Pages

  Antczak, Grazyna ^a,b   Ehrlich, Gert ^a  

^a UNIVERSITY OF ILLINOIS AT URBANA CHAMPAIGN   (United States)

^b UNIVERSITY OF WROC AW   (Poland)

Author keywords

[No Author keywords available]

Indexed keywords

ACTIVATION ENERGY; ADSORPTION; DIFFUSION; MASS TRANSFER; MICROSCOPES; MONTE CARLO METHODS; SCANNING TUNNELING MICROSCOPY; SURFACE PHENOMENA; THERMAL EFFECTS;

ADATOMS; LONG JUMPS; SURFACE DIFFUSION; TEMPERATURE TRANSIENTS;

TUNGSTEN;

EID: 2942585682     PISSN: 00319007     EISSN: None     Source Type: Journal    
DOI: 10.1103/PhysRevLett.92.166105     Document Type: Article

References (20)

1. D. C. Senft and G. Ehrlich, Phys. Rev. Lett. 74, 294 (1995).
2. D. C. Senft, Appl. Surf. Sci. 94/95, 231 (1996).
3. T. R. Linderoth, S. Horch, E. Laegsgaard, I. Stensgaard, and F. Besenbacher, Phys. Rev. Lett. 78, 4978 (1997).
4. F. Montalenti and R. Ferrando, Phys. Rev. B 58, 3617 (1998).
5. H. T. Lorenson, J. K. Norskov, and K. W. Jacobsen, Phys. Rev. B 60, R5149 (1999).
6. S.-M. Oh, S. J. Koh, K. Kyuno, and G. Ehrlich, Phys. Rev. Lett. 88, 236102 (2002).
7. S.-M. Oh, K. Kyuno, S. J. Koh, and G. Ehrlich, Phys. Rev. B 66, 233406 (2002).
8. T. Ala-Nissila, R. Ferrando, and S. C. Ying, Adv. Phys. 51, 949 (2002).
9. G. L. Kellogg, Surf. Sci. Rep. 21, 1 (1994).
10. Instrumentation is described by D. A. Reed and G. Ehrlich, Surf. Sci. 151, 143 (1985).
11. M. F. Lovisa and G. Ehrlich, Surf. Sci. 246, 43 (1991).
12. J. D. Wrigley, M. E. Twigg, and G. Ehrlich, J. Chem. Phys. 93, 2885 (1990).
13. 2, where a is the lattice constant, so that all rate ratios and α can be obtained from these two equations.
14. In Ref. [7], no corrections were attempted for motion during transients, allowing only semiquantitative conclusions.
15. S. J. Koh, Ph.D. thesis, University of Illinois at Urbana-Champaign, 1998, Sec. III.B3.
16. Minimization is carried out as described by S. Dedoussis, M. Chardalas, and S. Charalambous, Comput. Phys. Commun. 31, 29 (1984).
17. y/ α.
18. Errors in the rates have been roughly estimated by doing Monte Carlo simulations of the displacement distribution at each temperature and then analyzing the distributions.
19. A similar idea has been proposed in diffusion on channeled surfaces by F. Montalenti, Ph.D. thesis, University of Genova, 1999, Sec. 2.44.
20. Note that this is not implicit in the linear dependence of ln(D) on 1/T.