Periodical Distribution of Discrete Gold Islands in Electrodeposition

Hossain, S. M. Asadul; Saitou, M.

doi:10.2174/1876505x01204010009

TOELECJ

2012

DOI: 10.2174/1876505x01204010009

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Periodical Distribution of Discrete Gold Islands in Electrodeposition

S. M. Asadul Hossain¹,

M. Saitou²

Abstract: Discrete gold islands formed in electrodeposition have been investigated using an island pair distribution function (IDF) as the analogy of the atomic pair distribution function (PDF) and the Fourier image analysis. An oscillatory plot in the IDF, the two halo and streak patterns in the Fourier-transformed image indicate that the gold islands have a weak periodical structure. The Monte Carlo simulation for the distribution of gold islands with no interplay or the repulsive Coulomb force well explains the origi… Show more

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2016

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Probability Analysis of Island Distribution at the Early Stage in Electrodeposition Based on a Fixed Length Segment Model

Saitou¹

2016

International Journal of Electrochemical Science

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A fixed length segment model that describes a random distribution of segments that have a fixed number of sites at which islands can nucleate is proposed. The model is based on observations of several metal islands aligned without gaps on a curved line at the early stage in electrodeposition. The model has the advantage of being able to calculate analytically the number of two, three, and four islands aligned without gaps on the segment. In addition, the two-dimensional distribution of the segment derived analytically yields the limiting radius of the island beyond which the island cannot grow with time. The analytical results such as the expected value of the number of the two, three, and four islands and the limiting radius of the island are well consistent with the copper island distribution electrodeposited on an ITO glass at the early stage using a solution of copper (II) sulfate pentahydrate and potassium sodium tartrate. The characterization of the ITO glass surface as a nucleation site is demonstrated using the fixed length segment model.

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Probability Analysis of Island Distribution at the Early Stage in Electrodeposition Based on a Fixed Length Segment Model

Saitou¹

2016

International Journal of Electrochemical Science

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Periodical Distribution of Discrete Gold Islands in Electrodeposition

Cited by 1 publication

References 17 publications

Probability Analysis of Island Distribution at the Early Stage in Electrodeposition Based on a Fixed Length Segment Model

Probability Analysis of Island Distribution at the Early Stage in Electrodeposition Based on a Fixed Length Segment Model

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