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    National Tsing Hua University Institutional Repository > 理學院 > 物理系 > 期刊論文 >  Surface-dimer and bulk-atom imaging of the Si(001) (2×1) surface by Kikuchi electron holography

    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/54726

    Title: Surface-dimer and bulk-atom imaging of the Si(001) (2×1) surface by Kikuchi electron holography
    Authors: I. H. Hong;S. C. Shyu;Y. C. Chou;C. M. Wei
    教師: 周亞謙
    Date: 1995
    Publisher: American Physical Society
    Relation: Physical Review B (Condensed Matter), American Physical Society, Volume 52, Issue 23, Dec. 1995, Pages 16884-16891
    Keywords: Si(001) (2×1) surface
    Kikuchi electron holography
    bulk-atom imaging
    Abstract: Direct inversion of measured multiple-energy Kikuchi electron patterns from a Si(001) (2×1) surface with glancing and normal-incidence geometry shows clear images of the surface dimer and the bulk atoms. The three-dimensional artifact-free real-space images of the atoms contributed from different local emitters are resolved clearly. The observations demonstrate that Kikuchi electron holography has the surface sensitivity and can reveal the atomic structures of complicated multiemitter systems. By changing the collecting angle of Kikuchi electrons, one can selectively image the atoms behind the emitter in the backward direction; thus the surface and the bulk information can be obtained with different collecting angles. Therefore, the potential of Kikuchi electron holography to solve the local atomic structure of the unknown surfaces is high.
    URI: http://www.aps.org/
    Appears in Collections:[物理系] 期刊論文

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