Metal-Molecule Interface Fluctuations

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• 作者：Chenggang Tao ; T. J. Stasevich ; William G. Cullen ; T. L. Einstein ; Ellen D. Williams
• 刊名：Nano Letters
• 出版年：2007
• 出版时间：June 2007
• 年：2007
• 卷：7
• 期：6
• 页码：1495 - 1499
• 全文大小：173K
• 年卷期：v.7,no.6(June 2007)
• ISSN：1530-6992

文摘

We have created self-assembled circular chains of C₆₀ laterally bound to a layer of Ag atoms as a model system for characterizing fluctuationsat a metal-molecule interface. STM measurements show that the Ag and C₆₀ sides of the interface fluctuate independently, with frequency-dependent amplitudes of magnitude 0.1 nm at ~1 Hz for the Ag edge and ~0.01 Hz for the C₆₀ ring. The measured frequency spectra of themetal and molecule fluctuation amplitudes will contribute characteristic signatures to transport measurements involving such interfaces.