Substrate-induced pairing of Si ad-dimers on the Si(100)surface


Braun, Oleg M. and Valkering, Theo P. and Opheusden, Joost H.J. van and Zandvliet, H.J.W. (1997) Substrate-induced pairing of Si ad-dimers on the Si(100)surface. Surface Science, 384 (1-3). pp. 129-135. ISSN 0039-6028

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Abstract:The interaction between Si ad-dimers on the Si(100) surface has been studied by total-energy calculations with a three-particle Stillinger-Weber potential. We have found a strong attractive interaction between neighboring Si ad-dimers located in neighboring on-top and deep-channel positions in adjacent substrate dimer rows. This should result in a four-atomic block consisting of two dimers as an important elementary object of the Si(100) kinetics.
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Copyright:© 1997 Elsevier Science
Science and Technology (TNW)
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