Studies of acetylene and oxygen adsorption on silicon surfaces by low energy electron loss spectroscopy

Yip Wah Chung; Wigbert Siekhaus; G. A. Somorjai

doi:10.1016/0039-6028(76)90474-X

Studies of acetylene and oxygen adsorption on silicon surfaces by low energy electron loss spectroscopy

Yip Wah Chung^*, Wigbert Siekhaus, G. A. Somorjai

^*Corresponding author for this work

Materials Science and Engineering

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

25 Scopus citations

Abstract

Acetylene and oxygen adsorption on disordered and ordered silicon crystal surfaces of (111) orientation were studied by low-energy electron loss spectroscopy (ELS). There are marked structure-dependent differences in the ELS spectra in the presence of these adsorbates. A model for the acetylene molecule orientation on the silicon (111) ordered surface is proposed to explain the experimental results. ELS data suggest that the electrons in the silicon-oxygen chemisorption bond are more tightly bound on the disordered than on the silicon (111) surface with a (7 X 7) surface structure.

Original language	English (US)
Pages (from-to)	341-348
Number of pages	8
Journal	Surface Science
Volume	58
Issue number	2
DOIs	https://doi.org/10.1016/0039-6028(76)90474-X
State	Published - 1976

Funding

This work was per:'olmedu nderthe ausp:ceso f the U.S. Energy Researcha nd DevelopmenAtd m"nisr, ation.We are gratefutl o L. Kesmodeflo r many s~imulating discussionsT.h e ab)e a~,sistancoef T. Kaminsk.is gratefullya cknowledged.

ASJC Scopus subject areas

Condensed Matter Physics
Materials Chemistry
Surfaces, Coatings and Films
Surfaces and Interfaces

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10.1016/0039-6028(76)90474-X

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title = "Studies of acetylene and oxygen adsorption on silicon surfaces by low energy electron loss spectroscopy",

abstract = "Acetylene and oxygen adsorption on disordered and ordered silicon crystal surfaces of (111) orientation were studied by low-energy electron loss spectroscopy (ELS). There are marked structure-dependent differences in the ELS spectra in the presence of these adsorbates. A model for the acetylene molecule orientation on the silicon (111) ordered surface is proposed to explain the experimental results. ELS data suggest that the electrons in the silicon-oxygen chemisorption bond are more tightly bound on the disordered than on the silicon (111) surface with a (7 X 7) surface structure.",

author = "Chung, \{Yip Wah\} and Wigbert Siekhaus and Somorjai, \{G. A.\}",

year = "1976",

doi = "10.1016/0039-6028(76)90474-X",

language = "English (US)",

volume = "58",

pages = "341--348",

journal = "Surface Science",

issn = "0039-6028",

publisher = "Elsevier B.V.",

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T1 - Studies of acetylene and oxygen adsorption on silicon surfaces by low energy electron loss spectroscopy

AU - Chung, Yip Wah

AU - Siekhaus, Wigbert

AU - Somorjai, G. A.

PY - 1976

Y1 - 1976

N2 - Acetylene and oxygen adsorption on disordered and ordered silicon crystal surfaces of (111) orientation were studied by low-energy electron loss spectroscopy (ELS). There are marked structure-dependent differences in the ELS spectra in the presence of these adsorbates. A model for the acetylene molecule orientation on the silicon (111) ordered surface is proposed to explain the experimental results. ELS data suggest that the electrons in the silicon-oxygen chemisorption bond are more tightly bound on the disordered than on the silicon (111) surface with a (7 X 7) surface structure.

AB - Acetylene and oxygen adsorption on disordered and ordered silicon crystal surfaces of (111) orientation were studied by low-energy electron loss spectroscopy (ELS). There are marked structure-dependent differences in the ELS spectra in the presence of these adsorbates. A model for the acetylene molecule orientation on the silicon (111) ordered surface is proposed to explain the experimental results. ELS data suggest that the electrons in the silicon-oxygen chemisorption bond are more tightly bound on the disordered than on the silicon (111) surface with a (7 X 7) surface structure.

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U2 - 10.1016/0039-6028(76)90474-X

DO - 10.1016/0039-6028(76)90474-X

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VL - 58

SP - 341

EP - 348

JO - Surface Science

JF - Surface Science

IS - 2

ER -

Studies of acetylene and oxygen adsorption on silicon surfaces by low energy electron loss spectroscopy

Abstract

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