Initial growth and coverage determination of Ni ultrathin films on Pt(1 1 1)

C. W. Su; H. Y. Ho; C. S. Shern; R. H. Chen

doi:10.1016/S0040-6090(02)01135-5

Initial growth and coverage determination of Ni ultrathin films on Pt(1 1 1)

C. W. Su, H. Y. Ho, C. S. Shern^*, R. H. Chen

^*Corresponding author for this work

Department of Physics

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

14 Citations (Scopus)

Abstract

Auger electron spectroscopy and ultraviolet photoelectron spectroscopy were used to study the initial growth and alloy formation of Ni/Pt(1 1 1) ultrathin films. The coverage of Ni calculated by two different theoretical models is comparable to our experimental data. A Pt-rich phase was found on the surface layers by a depth profile after the formation of the Ni-Pt alloy. The UP spectra showed some interesting changes when the coverage of Ni increased and the formation of Ni-Pt alloy occurred. The evolution of the UP peak height can be used to determine the Ni coverage in the initial layer-by-layer growth.

Original language	English
Pages (from-to)	139-144
Number of pages	6
Journal	Thin Solid Films
Volume	425
Issue number	1-2
DOIs	https://doi.org/10.1016/S0040-6090(02)01135-5
Publication status	Published - 2003 Feb 3

Keywords

Auger electron spectroscopy
Growth mechanism
Photoelectron spectroscopy
Surface segregation

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Surfaces and Interfaces
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

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10.1016/S0040-6090(02)01135-5

Cite this

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title = "Initial growth and coverage determination of Ni ultrathin films on Pt(1 1 1)",

abstract = "Auger electron spectroscopy and ultraviolet photoelectron spectroscopy were used to study the initial growth and alloy formation of Ni/Pt(1 1 1) ultrathin films. The coverage of Ni calculated by two different theoretical models is comparable to our experimental data. A Pt-rich phase was found on the surface layers by a depth profile after the formation of the Ni-Pt alloy. The UP spectra showed some interesting changes when the coverage of Ni increased and the formation of Ni-Pt alloy occurred. The evolution of the UP peak height can be used to determine the Ni coverage in the initial layer-by-layer growth.",

keywords = "Auger electron spectroscopy, Growth mechanism, Photoelectron spectroscopy, Surface segregation",

author = "Su, {C. W.} and Ho, {H. Y.} and Shern, {C. S.} and Chen, {R. H.}",

note = "Funding Information: This work was supported by the National Science Council of ROC under Grant No. NSC 90-2112-M-003-019. Our gratitude also goes to the Academic Paper Editing Clinic, NTNU.",

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doi = "10.1016/S0040-6090(02)01135-5",

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T1 - Initial growth and coverage determination of Ni ultrathin films on Pt(1 1 1)

AU - Su, C. W.

AU - Ho, H. Y.

AU - Shern, C. S.

AU - Chen, R. H.

N1 - Funding Information: This work was supported by the National Science Council of ROC under Grant No. NSC 90-2112-M-003-019. Our gratitude also goes to the Academic Paper Editing Clinic, NTNU.

PY - 2003/2/3

Y1 - 2003/2/3

N2 - Auger electron spectroscopy and ultraviolet photoelectron spectroscopy were used to study the initial growth and alloy formation of Ni/Pt(1 1 1) ultrathin films. The coverage of Ni calculated by two different theoretical models is comparable to our experimental data. A Pt-rich phase was found on the surface layers by a depth profile after the formation of the Ni-Pt alloy. The UP spectra showed some interesting changes when the coverage of Ni increased and the formation of Ni-Pt alloy occurred. The evolution of the UP peak height can be used to determine the Ni coverage in the initial layer-by-layer growth.

AB - Auger electron spectroscopy and ultraviolet photoelectron spectroscopy were used to study the initial growth and alloy formation of Ni/Pt(1 1 1) ultrathin films. The coverage of Ni calculated by two different theoretical models is comparable to our experimental data. A Pt-rich phase was found on the surface layers by a depth profile after the formation of the Ni-Pt alloy. The UP spectra showed some interesting changes when the coverage of Ni increased and the formation of Ni-Pt alloy occurred. The evolution of the UP peak height can be used to determine the Ni coverage in the initial layer-by-layer growth.

KW - Auger electron spectroscopy

KW - Growth mechanism

KW - Photoelectron spectroscopy

KW - Surface segregation

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DO - 10.1016/S0040-6090(02)01135-5

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SN - 0040-6090

VL - 425

SP - 139

EP - 144

JO - Thin Solid Films

JF - Thin Solid Films

IS - 1-2

ER -

Initial growth and coverage determination of Ni ultrathin films on Pt(1 1 1)

Abstract

Keywords

ASJC Scopus subject areas

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