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Transition to Multilayer Kinetic Roughening for Metal (100) Homoepitaxy

Journal Article · · Physical Review Letters
;  [1]
  1. IPRT, Iowa State University, Ames, Iowa 50011 (United States)

A model for metal (100) homoepitaxy is developed which describes irreversible submonolayer nucleation and growth of 2D square islands, and the subsequent transition to multilayer growth. Roughness is sensitive to the additional barrier to descend a step, which is estimated for Fe/Fe(100). We find oscillatory height-height correlations and non-Gaussian height and height-difference distributions, necessitating refinement of existing diffraction theory. We predict the disappearance of a diffraction ring during growth, and a nonmonotonic variation of roughness with temperature. {copyright} {ital 1995} {ital The} {ital American} {ital Physical} {ital Society}.

Research Organization:
Ames National Laboratory
DOE Contract Number:
W-7405-ENG-82
OSTI ID:
147893
Journal Information:
Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 23 Vol. 75; ISSN 0031-9007; ISSN PRLTAO
Country of Publication:
United States
Language:
English