Morphological evolution of Ag nanoclusters grown on hydrogen-terminated si(111)-(1 × 1) surface: Appearance of quantum size effect at room-temperature

Ryutaro Nagata,Toyoaki Eguchi,Jungmin Kang,Kenya Haga,Erina Kawamoto,Shozo Suto

Surface Science（2019）

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摘要

•Growth of Ag on H-terminated Si(111)-(1 × 1) is investigated by STM at room temperature.•Morphology and growth mode of Ag nanoclusters change dramatically after coalescence.•Ag atoms initially grow as dome-like 3D clusters and transform into flat-top 2D islands.•Flat-top 2D islands show uniform height owing to quantum size effect emerging at RT.

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关键词

Silver,H-terminated Si(111),Nanocluster,Growth mode,Quantum size effect,Scanning tunneling microscopy

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