Istituto di Scienza e Tecnologie dell'Informazione     
D'Acunto M. Surface growth processes induced by AFM debris production. A new observable for nanowear. Bharat Bhushan (ed.). (Nanoscience and Nanotechnology, vol. 2). Berlin, Heidelberg: Springer-Verlag, 2011.
Loss of material due to abrasion, adhesion, erosion or other types of wear mechanisms is a fundamental phenomenon occurring between two surfaces in relative motion on each other. Generally, in a wide range of length scales, from macroscale down to nanoscale, wear is quantified by measuring the volume loss after a wear test, and the quantification of the wear volume is the main observable to be measured in a wear test. In this chapter, we present some recent results showing that in precise experimental conditions, as ultrahigh vacuum (UHV) environments, surface growth processes induced by atomic force microscopy (AFM) tip sample abrasion can be estimated to have an accurate knowledge of atomic and molecular onset mechanisms involving the occurrence of wear mechanisms, mainly abrasion.
Il capitolo presenta gli ultimi risultati riguardo alla possibilita' di studiare processi di nanousura in condizioni Ultra Vuoto. In queste condizioni i processi ri ricristallizzazione del debris atomico prodotto dalla punta di un AFM puo' essere usta per capire le condizioni critiche di innesco del processo di abrasione.
URL: http://www.springerlink.com/content/k852220666657615/
DOI: 10.1007/978-3-642-10497-8_17
Subject Nanowear computatio numerical model
C.3 Special-Purpose and Application-Based Systems

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