Si(111): Ni SURFACES STUDIES BY AES, UPS, LEED, AND ION SCATTERING.

Y. J. Chabal; R. J. Culbertson; L. C. Feldman; J. E. Rowe

doi:10.1116/1.570983

Si(111): Ni SURFACES STUDIES BY AES, UPS, LEED, AND ION SCATTERING.

Y. J. Chabal, R. J. Culbertson, L. C. Feldman, J. E. Rowe

Research output: Contribution to journal › Conference article › peer-review

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Abstract

A study was made of the the Si(111) surface after various heat treatments with small amounts of Ni( less than equivalent to 1 monolayer) present. It is found that three types of reconstructions can be obtained: 7 multiplied by 7, ″1 multiplied by 1″ and 19** one-half multiplied by 19** one-half . Photoemission spectra show that the metallic nature of the dangling bond surface state, characteristic of the clean 7 multiplied by 7 surface, disappears for the ″1 multiplied by 1″ and 19** one-half multiplied by 19** one-half surfaces. MeV ion scattering establishes that the average surface atom displacement parallel to the surface is significantly larger for the 19** one-half multiplied by 19** one-half surface than for both the clean 7 multiplied by 7 and the ″1 multiplied by 1″ surfaces.

Original language	English (US)
Pages (from-to)	880-882
Number of pages	3
Journal	Journal of vacuum science & technology
Volume	18
Issue number	3
DOIs	https://doi.org/10.1116/1.570983
State	Published - Jan 1 1980
Externally published	Yes
Event	Proc of the Natl Symp of the Am Vac Soc, 27th, Pt 2 - Detroit, MI, Engl Duration: Oct 13 1980 → Oct 17 1980

ASJC Scopus subject areas

General Engineering

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title = "Si(111): Ni SURFACES STUDIES BY AES, UPS, LEED, AND ION SCATTERING.",

abstract = "A study was made of the the Si(111) surface after various heat treatments with small amounts of Ni( less than equivalent to 1 monolayer) present. It is found that three types of reconstructions can be obtained: 7 multiplied by 7, ″1 multiplied by 1″ and 19** one-half multiplied by 19** one-half . Photoemission spectra show that the metallic nature of the dangling bond surface state, characteristic of the clean 7 multiplied by 7 surface, disappears for the ″1 multiplied by 1″ and 19** one-half multiplied by 19** one-half surfaces. MeV ion scattering establishes that the average surface atom displacement parallel to the surface is significantly larger for the 19** one-half multiplied by 19** one-half surface than for both the clean 7 multiplied by 7 and the ″1 multiplied by 1″ surfaces.",

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AU - Chabal, Y. J.

AU - Culbertson, R. J.

AU - Feldman, L. C.

AU - Rowe, J. E.

PY - 1980/1/1

Y1 - 1980/1/1

N2 - A study was made of the the Si(111) surface after various heat treatments with small amounts of Ni( less than equivalent to 1 monolayer) present. It is found that three types of reconstructions can be obtained: 7 multiplied by 7, ″1 multiplied by 1″ and 19** one-half multiplied by 19** one-half . Photoemission spectra show that the metallic nature of the dangling bond surface state, characteristic of the clean 7 multiplied by 7 surface, disappears for the ″1 multiplied by 1″ and 19** one-half multiplied by 19** one-half surfaces. MeV ion scattering establishes that the average surface atom displacement parallel to the surface is significantly larger for the 19** one-half multiplied by 19** one-half surface than for both the clean 7 multiplied by 7 and the ″1 multiplied by 1″ surfaces.

AB - A study was made of the the Si(111) surface after various heat treatments with small amounts of Ni( less than equivalent to 1 monolayer) present. It is found that three types of reconstructions can be obtained: 7 multiplied by 7, ″1 multiplied by 1″ and 19** one-half multiplied by 19** one-half . Photoemission spectra show that the metallic nature of the dangling bond surface state, characteristic of the clean 7 multiplied by 7 surface, disappears for the ″1 multiplied by 1″ and 19** one-half multiplied by 19** one-half surfaces. MeV ion scattering establishes that the average surface atom displacement parallel to the surface is significantly larger for the 19** one-half multiplied by 19** one-half surface than for both the clean 7 multiplied by 7 and the ″1 multiplied by 1″ surfaces.

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Si(111): Ni SURFACES STUDIES BY AES, UPS, LEED, AND ION SCATTERING.

Abstract

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