Nanohillock formation by impact of small low-energy clusters with surfaces

Popok, Vladimír; Prasalovich, S.; Campbell, Eleanor E. B.

doi:10.1016/s0168-583x(03)00616-5

Cited by 23 publications

(15 citation statements)

References 20 publications

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“…19 The source was attached to a cluster implantation and deposition apparatus ͑CIDA͒. 20,21 This combination provides the possibility to produce metal clusters and manipulate the cluster beam, in particular, to separate the cationic clusters from neutral and anionic ones, control their size and kinetic energy ͑velocity͒ and carry out deposition and implantation experiments under ultrahighvacuum ͑UHV͒ conditions. 19,22 A time-of-flight mass spectrometer in the Wiley-McLaren configuration together with a multichannel plate detector is used to obtain the mass spectra of cluster ions.…”

Section: Experimental Methodsmentioning

confidence: 99%

Stopping of energetic cobalt clusters and formation of radiation damage in graphite

et al. 2009

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The interaction of energetic ͑up to 200 eV/atom͒ size-selected Co n clusters with HOPG is studied both experimentally and theoretically. Etching of the radiation damaged areas introduced by cluster impacts provides a measure of the depth to which the collision cascades are developed and allows a comparison of these data with the molecular dynamics simulations. Good agreement between the experimental results and modeling is obtained. It is shown that the projected range of the cluster constituents can be linearly scaled with the projected momentum ͑the cluster momentum divided by surface impact area͒. With decrease in cluster energies to ca. 10 eV/atom the transition from implantation to pinning is suggested. It is found that even after quite energetic impacts residual clusters remain intact in the shallow graphite layer. These clusters can catalyze reaction of atmospheric oxygen with damaged graphite areas under the thermal heating that leads to the formation of narrow ͑5-15 nm͒ random in shape surface channels ͑trenches͒ in the top few graphene layers. Thus, small imbedded Co nanoparticles can be used as a processing tool for graphene.

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Section: Experimental Methodsmentioning

confidence: 99%

Stopping of energetic cobalt clusters and formation of radiation damage in graphite

et al. 2009

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“…Hillocks are often found on impact of keV-energy clusters, a few orders of magnitude lower in energy compared to the cases of ion implantation, discussed above [275,309,310,311,312]. In most cases, the hillocks were reported to be cone-shaped (or truncated coneshaped).…”

Section: Crater and Hillock Formationmentioning

confidence: 99%

“…In some reports [310,312], larger diameters were measured using AFM but they were most probably related to the tip convolution effect. Thus, the hillock dimensions on cluster ion impact are very similar to those reported for high-energy ion implantation.…”

Section: Crater and Hillock Formationmentioning

confidence: 99%

Cluster–surface interaction: From soft landing to implantation

Popok

Barke

Campbell

et al. 2011

Surface Science Reports

245

197

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The current paper presents a state-of-the-art review in the field of interaction of atomic and molecular clusters with solids. We do not attempt to overview the entire broad field, but rather concentrate on the impact phenomena: how the physics of the cluster-surface interaction depends on the kinetic energy and what effects are induced under different energetic regimes. The review starts with an introduction to the field and a short history of cluster beam development. Then fundamental physical aspects of cluster formation and the most common methods for the production of cluster beams are overviewed. For cluster-surface interactions, one of the important scenarios is the low-energy regime where the kinetic energy per atom of the accelerated cluster stays well below the binding (cohesive) energy of the cluster constituents. This case is often called This is the peer-reviewed author's version of a work that was accepted for publication in Surface Science Reports. Changes resulting from the publishing process, such as editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version

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“…out in vacuum allows avoiding contamination. Moreover, the cluster beam technique gives a possibility to control the kinetic energy of the particles thus providing conditions for pinning of clusters or nanostructuring of surfaces [8,9], in other words widening the spectrum of possible applications.…”

Section: Introductionmentioning

confidence: 99%

Supported silver clusters as nanoplasmonic transducers for protein sensing

Fojan

Hanif

Bartling

et al. 2015

Sensors and Actuators B: Chemical

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a b s t r a c tTransducers for optical sensing of proteins are prepared using cluster beam deposition on quartz substrates. Surface plasmon resonance phenomenon of the supported silver clusters is used for the detection. It is shown that surface immobilisation procedure providing adhesion of the silver clusters to quartz and functionalisation of cluster surfaces for antibody coupling are the key issues for cluster stability and protein detection. Focus was put on these tasks and the processes have been optimised. In particular, conditions for coupling of the antibodies to the clusters are developed providing an enhancement of the plasmon absorption band used for the detection. Atomic force microscopy study allows to suggest that immobilisation of antibodies on silver clusters has been achieved, thus giving a possibility to incubate and detect an antigen of interest. Hence, by applying the developed preparation stages and protein immobilisation scheme the sensing of protein of interest can be assured using a relatively simple optical spectroscopy method.

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Nanohillock formation by impact of small low-energy clusters with surfaces

Cited by 23 publications

References 20 publications

Stopping of energetic cobalt clusters and formation of radiation damage in graphite

Stopping of energetic cobalt clusters and formation of radiation damage in graphite

Cluster–surface interaction: From soft landing to implantation

Supported silver clusters as nanoplasmonic transducers for protein sensing

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