Photoemission microscopy of the metal/metal interface: Au sub-monolayers on polycrystalline Ni

A W Potts; G R Morrison; L Gregoratti; M Kiskinova

doi:10.1016/S0169-4332(02)00556-1

Photoemission microscopy of the metal/metal interface: Au sub-monolayers on polycrystalline Ni

A W Potts, G R Morrison, L Gregoratti, M Kiskinova

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

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Abstract

Scanning photoelectron microscopy was used to study the lateral distribution of a 0.5 monolayer (ML) of Au on a polycrystalline Ni surface after Au deposition at room temperature (RT) and following annealing at 620 K for different durations. The effect of the grain structure on the interfacial interactions and Au surface mobility was examined. The Ni 3p and the Au 4f photoelectron images revealed that annealing leads to lateral heterogeneity in the Au distribution. The contributions of the two processes of surface diffusion and surface alloying are considered to explain the changes in Au surface concentrations observed on different grains after deposition and annealing. (C) 2002 Elsevier Science B.V All rights reserved.

Original language	English
Pages (from-to)	80 - 88
Number of pages	9
Journal	APPLIED SURFACE SCIENCE
Volume	195
Issue number	1-4
DOIs	https://doi.org/10.1016/S0169-4332(02)00556-1
Publication status	Published - 15 Jul 2002

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title = "Photoemission microscopy of the metal/metal interface: Au sub-monolayers on polycrystalline Ni",

abstract = "Scanning photoelectron microscopy was used to study the lateral distribution of a 0.5 monolayer (ML) of Au on a polycrystalline Ni surface after Au deposition at room temperature (RT) and following annealing at 620 K for different durations. The effect of the grain structure on the interfacial interactions and Au surface mobility was examined. The Ni 3p and the Au 4f photoelectron images revealed that annealing leads to lateral heterogeneity in the Au distribution. The contributions of the two processes of surface diffusion and surface alloying are considered to explain the changes in Au surface concentrations observed on different grains after deposition and annealing. (C) 2002 Elsevier Science B.V All rights reserved.",

author = "Potts, {A W} and Morrison, {G R} and L Gregoratti and M Kiskinova",

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AU - Morrison, G R

AU - Gregoratti, L

AU - Kiskinova, M

PY - 2002/7/15

Y1 - 2002/7/15

N2 - Scanning photoelectron microscopy was used to study the lateral distribution of a 0.5 monolayer (ML) of Au on a polycrystalline Ni surface after Au deposition at room temperature (RT) and following annealing at 620 K for different durations. The effect of the grain structure on the interfacial interactions and Au surface mobility was examined. The Ni 3p and the Au 4f photoelectron images revealed that annealing leads to lateral heterogeneity in the Au distribution. The contributions of the two processes of surface diffusion and surface alloying are considered to explain the changes in Au surface concentrations observed on different grains after deposition and annealing. (C) 2002 Elsevier Science B.V All rights reserved.

AB - Scanning photoelectron microscopy was used to study the lateral distribution of a 0.5 monolayer (ML) of Au on a polycrystalline Ni surface after Au deposition at room temperature (RT) and following annealing at 620 K for different durations. The effect of the grain structure on the interfacial interactions and Au surface mobility was examined. The Ni 3p and the Au 4f photoelectron images revealed that annealing leads to lateral heterogeneity in the Au distribution. The contributions of the two processes of surface diffusion and surface alloying are considered to explain the changes in Au surface concentrations observed on different grains after deposition and annealing. (C) 2002 Elsevier Science B.V All rights reserved.

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EP - 88

JO - APPLIED SURFACE SCIENCE

JF - APPLIED SURFACE SCIENCE

IS - 1-4

ER -

Photoemission microscopy of the metal/metal interface: Au sub-monolayers on polycrystalline Ni

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