Structure determination of the Si3N4/Si(111)-(8 × 8) surface: A combined study of Kikuchi electron holography, scanning tunneling microscopy, and ab initio calculations

Hye Young Ahn; C. L. Wu; S. Gwo; C. M. Wei; Y. C. Chou

doi:10.1103/PhysRevLett.86.2818

Structure determination of the Si₃N₄/Si(111)-(8 × 8) surface: A combined study of Kikuchi electron holography, scanning tunneling microscopy, and ab initio calculations

Hye Young Ahn^*, C. L. Wu, S. Gwo, C. M. Wei, Y. C. Chou

^*Corresponding author for this work

Department of Photonics

Research output: Contribution to journal › Article › peer-review

59 Scopus citations

Abstract

A new atomic model of the Si₃N₄(0001)/Si(111)-(8×8) surfaces based on the experimental results from KEH, STM, and STS measurements is proposed. The existence of the 8/3 × 8/3-ordered nitrogen adatoms on the top layer and the 8×8 diamond-shaped unit cells in real space is demonstrated.

Original language	English
Pages (from-to)	2818-2821
Number of pages	4
Journal	Physical Review Letters
Volume	86
Issue number	13
DOIs	https://doi.org/10.1103/PhysRevLett.86.2818
State	Published - 26 Mar 2001

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title = "Structure determination of the Si3N4/Si(111)-(8 × 8) surface: A combined study of Kikuchi electron holography, scanning tunneling microscopy, and ab initio calculations",

abstract = "A new atomic model of the Si3N4(0001)/Si(111)-(8×8) surfaces based on the experimental results from KEH, STM, and STS measurements is proposed. The existence of the 8/3 × 8/3-ordered nitrogen adatoms on the top layer and the 8×8 diamond-shaped unit cells in real space is demonstrated.",

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Structure determination of the Si₃N₄/Si(111)-(8 × 8) surface : A combined study of Kikuchi electron holography, scanning tunneling microscopy, and ab initio calculations. / Ahn, Hye Young; Wu, C. L.; Gwo, S.; Wei, C. M.; Chou, Y. C.

In: Physical Review Letters, Vol. 86, No. 13, 26.03.2001, p. 2818-2821.

Research output: Contribution to journal › Article › peer-review

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AB - A new atomic model of the Si3N4(0001)/Si(111)-(8×8) surfaces based on the experimental results from KEH, STM, and STS measurements is proposed. The existence of the 8/3 × 8/3-ordered nitrogen adatoms on the top layer and the 8×8 diamond-shaped unit cells in real space is demonstrated.

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