Decay of nano-islands on the surface of a Au(111) electrode in contact with sulfuric acid solution

Hirai, Nobumitsu; Yamauchi, Masaki; Tanaka, Toshihiro; Hara, Shigeta

doi:https://doi.org/10.1016/j.stam.2003.10.021

Decay of nano-islands on the surface of a Au(111) electrode in contact with sulfuric acid solution

Hirai, Nobumitsu; Yamauchi, Masaki; Tanaka, Toshihiro et al.

Science and Technology of Advanced Materials, 2004, 5(1-2), 115-118

アクセス数:488件（2025-07-01 14:32 集計）

固定URL: https://hdl.handle.net/11094/25981

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タイトル	Decay of nano-islands on the surface of a Au(111) electrode in contact with sulfuric acid solution
著者	NRID 1000050294020 1000050294020 著者名 Hirai, Nobumitsu
	著者名 Yamauchi, Masaki
	NRID 1000010179773 1000010179773 researchmap permalink read0013978 read0013978 著者名 Tanaka, Toshihiro
	NRID 1000090029116 1000090029116 著者名 Hara, Shigeta
キーワード等	Surface diffusion
	Single crystal surfaces
	Stepped single crystal surfaces
	Gold
	Atomic force microscopy
	Metal–electrolyte interfaces
	Solidliquid interfaces
	Surface structure
	Morphology
	Roughness
	Topography
抄録	The decay of nano-islands on the surface of a Au(111) electrode, in contact with 50 mM sulfuric acid aqueous solution under an applied potential in the range of 0.15–1.2 V, has been investigated using electrochemical atomic force microscopy (EC-AFM). The results are compared with those previously obtained for Au(100). With either orientation, it is found that the area of the top layer of multi-layered islands decreases linearly with time at any applied potential. It was also found that the decay rate, defined as the rate of decrease of the number of atoms in the top-layer of the islands per second, increases with the magnitude of the applied potential. Further, the decay rate of the top layer of the islands on Au(111) is almost the same as that on Au(100).
出版者	IOP Publishing
収録物名	Science and Technology of Advanced Materials
巻(号)	5(1-2)
ページ	115-118
刊行年月	2004
言語	英語
ハンドルURL	https://hdl.handle.net/11094/25981
PISSN	14686996
NCID	AA11561821
関連情報 (isIdenticalTo)	DOI (出版社版) https://doi.org/10.1016/j.stam.2003.10.021
アクセス権	open access
権利情報	http://creativecommons.org/licenses/by-nc-sa/3.0/
出版タイプ	Version of Record
カテゴリ	学術雑誌論文 Journal Article

資源タイプ	学術雑誌論文
ローカル資源タイプ	学術雑誌論文
DCMI資源タイプ	text
DCTERMS.bibliographicCitation	Science and Technology of Advanced Materials. 2004, 5(1-2), p. 115-118
DC.title	Decay of nano-islands on the surface of a Au(111) electrode in contact with sulfuric acid solution
DC.creator	Hirai, Nobumitsu
	Yamauchi, Masaki
	Tanaka, Toshihiro
	Hara, Shigeta
DC.publisher	IOP Publishing
DC.language' scheme='DCTERMS.RFC1766	英語
DC.type' scheme='DCTERMS.DCMIType	text
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2004
DC.identifier	https://doi.org/10.1016/j.stam.2003.10.021
DC.subject	Surface diffusion
	Single crystal surfaces
	Stepped single crystal surfaces
	Gold
	Atomic force microscopy
	Metal–electrolyte interfaces
	Solidliquid interfaces
	Surface structure
	Morphology
	Roughness
	Topography
DCTERMS.abstract	The decay of nano-islands on the surface of a Au(111) electrode, in contact with 50 mM sulfuric acid aqueous solution under an applied potential in the range of 0.15–1.2 V, has been investigated using electrochemical atomic force microscopy (EC-AFM). The results are compared with those previously obtained for Au(100). With either orientation, it is found that the area of the top layer of multi-layered islands decreases linearly with time at any applied potential. It was also found that the decay rate, defined as the rate of decrease of the number of atoms in the top-layer of the islands per second, increases with the magnitude of the applied potential. Further, the decay rate of the top layer of the islands on Au(111) is almost the same as that on Au(100).
DC.rights	http://creativecommons.org/licenses/by-nc-sa/3.0/
DC.format	25981
citation_title	Decay of nano-islands on the surface of a Au(111) electrode in contact with sulfuric acid solution
citation_author	Hirai, Nobumitsu
	Yamauchi, Masaki
	Tanaka, Toshihiro
	Hara, Shigeta
citation_publisher	IOP Publishing
citation_language	英語
citation_date	2004
citation_journal_title	Science and Technology of Advanced Materials
citation_volume	5
citation_issue	1-2
citation_firstpage	115
citation_lastpage	118
citation_doi	https://doi.org/10.1016/j.stam.2003.10.021
citation_public_url	https://hdl.handle.net/11094/25981

Decay of nano-islands on the surface of a Au(111) electrode in contact with sulfuric acid solution

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