Stroscio, J.
, Pierce, D.
, Stiles, M.
, Zangwill, A.
and Sander, L.
(1995),
Coarsening of Unstable Surface Features During Fe(001) Homoepitaxy, Physical Review Letters, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=620457
(Accessed September 14, 2024)
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Coarsening of Unstable Surface Features During Fe(001) Homoepitaxy
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Author(s)
, , , , L Sander
Abstract
The evolution of the surface profile during homoepitaxial growth of Fe(001) is studied by scanning tunnelling microscopy and reflection high energy electron diffraction. The observed morphology exhibits a non-self affine collection of mound-like features that maintain their shape but coarsen as growth proceeds. The characteristic feature separation L is set in the submonolayer regime and increases with thickness, t, as L ~ t 0.16 {plus or minus} 0.04. During the coarsening phase, the mounds are characterized by a magic slope and a lack of reflection symmetry. These observations are shown to be described by a continuum growth equation without capillarity.Citation
Physical Review Letters
Volume
75
Issue
23
Pub Type
Journals
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Created January 1, 1995, Updated June 2, 2021