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Kinetics of mesa overlayer growth: Climbing of adatoms onto the mesa top
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10.1063/1.2827200
/content/aip/journal/apl/92/2/10.1063/1.2827200
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/2/10.1063/1.2827200
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

The area (, in unit of ) of the adatom island as a function of time in the overlayer growth of a Pb mesa, showing three different growth stages. The insets show the STM images recorded at the different stages. is the starting point of growth (see left inset). At , the adatom island touches the mesa top edge (middle inset), and it grow quickly along the mesa top edge to form a closed annular ring at (right inset). From to , the annular ring grows slowly inward until forming a complete overlayer.

Image of FIG. 2.
FIG. 2.

Schematics of an incomplete ring along the Pb mesa top edge, showing the mesa top morphology with different types of step edges, facet-facet edges, and facet-step joints.

Image of FIG. 3.
FIG. 3.

Calculated energy curve along diffusion path of an adatom crossing: (a) an A facet-facet edge from (001) sidewall facet to (111) top facet, and (b) a -facet-facet edge from sidewall facet to (111) top facet.

Image of FIG. 4.
FIG. 4.

Calculated energy curve along the diffusion path of an adatom crossing (a) an joint from (001) sidewall facet to -step edge on the mesa top and (b) a joint from sidewall facet to -step edge on the mesa top.

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/content/aip/journal/apl/92/2/10.1063/1.2827200
2008-01-17
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Kinetics of mesa overlayer growth: Climbing of adatoms onto the mesa top
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/2/10.1063/1.2827200
10.1063/1.2827200
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