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  4. SURFACTANT EFFECT ON THE SURFACE-DIFFUSION LENGTH IN EPITAXIAL-GROWTH
 
research article

SURFACTANT EFFECT ON THE SURFACE-DIFFUSION LENGTH IN EPITAXIAL-GROWTH

Massies, J.
•
Grandjean, N.  
1993
Physical Review B

It is shown that Te and Pb, which segregate at the surface during the epitaxial growth of GaAs, respectively, decrease and increase the surface diffusion length. This indicates that under the generic term ''surfactant,'' there are two types of surface segregating species which have opposite effects on the surface diffusion. It is suggested that the key parameter which imposes the surfactant-induced modification of epitaxial growth kinetics is the reactivity of a given pair of surfactant and growing material. Following this approach, it is concluded that surfactants occupying interstitial surface sites (nonreacting surfactants) increase the surface diffusion length whereas surfactants in substitutional sites (reacting surfactants) decrease it.

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Type
research article
DOI
10.1103/PhysRevB.48.8502
Author(s)
Massies, J.
Grandjean, N.  
Date Issued

1993

Published in
Physical Review B
Volume

48

Issue

11

Start page

8502

End page

8505

Subjects

SI(111) SURFACE

•

STEP FLOW

•

SN LAYER

•

SI

•

OSCILLATIONS

•

MEDIATE

•

TE

Editorial or Peer reviewed

REVIEWED

Written at

OTHER

EPFL units
LASPE  
Available on Infoscience
October 5, 2010
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/54818
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