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Observation of true...
Observation of true c(8x2) symmetry in scanning tunnelling microscopy images of the clean InSb(001) surface
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Varekamp, P R (författare)
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Bjorkqvist, M (författare)
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Gothelid, M (författare)
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- Karlsson, Ulf O (författare)
- Materialfysik
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(creator_code:org_t)
- Elsevier BV, 1996
- 1996
- Engelska.
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Ingår i: Surface Science. - : Elsevier BV. - 0039-6028 .- 1879-2758. ; 350:1-3, s. L221-L226
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Filled and empty state scanning tunnelling microscopy images of the sputtered and annealed InSb(001) surface are presented. The sputter-anneal preparation generates a surface with two distinct phases. The dominant phase possesses a unit cell with true c(8 x 2) symmetry, whereas the other phase is attributed to an asymmetric 1 x 3 reconstruction. The presence of a c(8 x 2) unit cell in filled state images is in contrast to previous reports, which identified only a 4 x 1 unit cell. The true c(8 x 2) symmetry further indicates, if the available structural model is used as a guide, that the current interpretation of features in filled state images is incorrect. This result may necessitate a reevaluation of the structural model for the InSb(001)-c(8 x 2) surface.
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