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Atomic structure of the InSb(001)-c(4x4) reconstruction determined by X-ray diffraction
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UNSPECIFIED (1998) Atomic structure of the InSb(001)-c(4x4) reconstruction determined by X-ray diffraction. Surface Science, 398 (1-2). pp. 105-116. ISSN 0039-6028.
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Abstract
The atomic structure of the Sb-terminated InSb(001)-c(4 x 4) reconstruction has been determined using X-ray diffraction. A total of 132 in-plane reflections were used to determine the structure in the surface plane. The out-of-plane structure was calculated by measuring intensity profiles along four integer-order and two fractional-order diffraction rods. The primitive unit cell of the c(4 x 4) phase consists of a group of three symmetric Sb dimers chemisorbed onto a complete Sb layer. The groups are found to be incomplete in similar to 1/3 of the cases. The calculated bond length of the central dimer is 2.91+/-0.02 Angstrom. The outer dimers are extended with a separation of 3.14+/-0.02 Angstrom. The bond angles are indicative of sp(3)-type bonding. The data suggests that the reconstruction is limited mainly to the top layer, with only slight relaxation of the underlying bulk layers. (C) 1998 Elsevier Science B.V.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QD Chemistry Q Science > QC Physics |
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Journal or Publication Title: | Surface Science | ||||
Publisher: | ELSEVIER SCIENCE BV | ||||
ISSN: | 0039-6028 | ||||
Official Date: | 10 February 1998 | ||||
Dates: |
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Volume: | 398 | ||||
Number: | 1-2 | ||||
Number of Pages: | 12 | ||||
Page Range: | pp. 105-116 | ||||
Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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