Please use this identifier to cite or link to this item:
https://doi.org/10.1103/PhysRevB.70.081313
DC Field | Value | |
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dc.title | STM observation of Ga-dimers on a GaAs(001)-c(8 × 2)-Ga surface | |
dc.contributor.author | Xu, H. | |
dc.contributor.author | Sun, Y.Y. | |
dc.contributor.author | Li, Y.G. | |
dc.contributor.author | Feng, Y.P. | |
dc.contributor.author | Wee, A.T.S. | |
dc.contributor.author | Huan, A.C.H. | |
dc.date.accessioned | 2014-10-16T09:42:07Z | |
dc.date.available | 2014-10-16T09:42:07Z | |
dc.date.issued | 2004-08 | |
dc.identifier.citation | Xu, H., Sun, Y.Y., Li, Y.G., Feng, Y.P., Wee, A.T.S., Huan, A.C.H. (2004-08). STM observation of Ga-dimers on a GaAs(001)-c(8 × 2)-Ga surface. Physical Review B - Condensed Matter and Materials Physics 70 (8) : 081313-1. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevB.70.081313 | |
dc.identifier.issn | 01631829 | |
dc.identifier.uri | http://scholarbank.nus.edu.sg/handle/10635/98025 | |
dc.description.abstract | Using in situ scanning tunneling microscopy (STM) we have obtained high-resolution empty-state images exhibiting triple-protrusion rows on GaAs(001)-c(8 × 2)-Ga surface. We assign the middle protrusion rows to the surface Ga dimers in the ξ model proposed by Lee et al. [Phys. Rev. Lett. 85, 3890 (2000)]. The surface Ga dimers, which are responsible for the c(8 × 2) periodicity, are the key feature of the ξ structure and have never been imaged in previous STM studies. The current study provides direct evidence for the ξ model, while all other existing models can be readily excluded from our STM images. | |
dc.description.uri | http://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1103/PhysRevB.70.081313 | |
dc.source | Scopus | |
dc.type | Article | |
dc.contributor.department | PHYSICS | |
dc.description.doi | 10.1103/PhysRevB.70.081313 | |
dc.description.sourcetitle | Physical Review B - Condensed Matter and Materials Physics | |
dc.description.volume | 70 | |
dc.description.issue | 8 | |
dc.description.page | 081313-1 | |
dc.description.coden | PRBMD | |
dc.identifier.isiut | 000223716700017 | |
Appears in Collections: | Staff Publications |
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