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- Title
Angular dependence of nanoparticle generation in the matrix assembly cluster source.
- Authors
Spadaro, Maria Chiara; Zhao, Junlei; Terry, William D.; Liu, Jian; Yin, Feng; Djurabekova, Flyura; Palmer, Richard E.
- Abstract
The matrix assembly cluster source (MACS) represents a bridge between conventional instruments for cluster beam deposition (CBD) and the level of industrial production. The method is based on Ar+ ion sputtering of a pre-condensed Ar-M matrix (where M, is typically a metal such as Ag). Each Ar+ ion produces a collision cascade and thus the formation of metal clusters is in the matrix, which are then sputtered out. Here we present an experimental and computational investigation of the cluster emission process, specifically its dependence on the Ar+ ion angle of incidence and the cluster emission angle. We find the incidence angle strongly influences the emerging cluster flux, which is assigned to the spatial location of the deposited primary ion energy relative to the cluster into the matrix. We also found an approximately constant angle between the incident ion beam and the peak in the emitted cluster distribution, with value between 99° and 109°.
- Publication
Nano Research, 2019, Vol 12, Issue 12, p3069
- ISSN
1998-0124
- Publication type
Article
- DOI
10.1007/s12274-019-2553-y