Decay of iron pentacarbonyl clusters upon interaction with heavy ions

Abstract The present work is a continuation of our studies with iron pentacarbonyl, a model organometallic precursor for Focused Ion Beam-Induced Deposition (FIBID). Interactions of He 2+ (16 keV), Ne + (6 keV), Ne 4+ (40 keV), Ar 2+ (12 keV) and Ar 8+ (64 keV) projectile ions with [Fe(CO) 5 ] n clusters are studied using TOF mass spectrometry. The clusters represent an intermediate between the gas phase and the bulk environment and can be used as a proxy for the processes in complex environments such as e.g. the nanostructure deposition. The addition of environment in the present study results in the observation of fragments with high kinetic energies ejected from clusters, an overall reduction of the fragmentation, and observation of a range of fragments associated with C-O bond dissociation, not observed for isolated molecules. On the other hand, the high efficiency of the Ne + projectile in fragmenting the Fe(CO) 5 isolated molecule is also observed in clusters.

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Publication Details

Journal
Physica Scripta
Published
2024-12-20
DOI
https://doi.org/10.1088/1402-4896/ada205
Primary Topic
Ion-surface interactions and analysis
Type
article
Field-Weighted Citation Impact
0.00

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article

Decay of iron pentacarbonyl clusters upon interaction with heavy ions

Patrick Rousseau, Hlib Lyshchuk, Sylvain Maclot, Alicja Domaracka et al.
Physica Scripta
Ion-surface interactions and analysis
article

Decay of iron pentacarbonyl clusters upon interaction with heavy ions

Patrick Rousseau, Hlib Lyshchuk, Sylvain Maclot, Alicja Domaracka, Leo Sala, Jaroslav Kočišek, Pamir Nag
article en

Abstract

Abstract The present work is a continuation of our studies with iron pentacarbonyl, a model organometallic precursor for Focused Ion Beam-Induced Deposition (FIBID). Interactions of He 2+ (16 keV), Ne + (6 keV), Ne 4+ (40 keV), Ar 2+ (12 keV) and Ar 8+ (64 keV) projectile ions with [Fe(CO) 5 ] n clusters are studied using TOF mass spectrometry. The clusters represent an intermediate between the gas phase and the bulk environment and can be used as a proxy for the processes in complex environments such as e.g. the nanostructure deposition. The addition of environment in the present study results in the observation of fragments with high kinetic energies ejected from clusters, an overall reduction of the fragmentation, and observation of a range of fragments associated with C-O bond dissociation, not observed for isolated molecules. On the other hand, the high efficiency of the Ne + projectile in fragmenting the Fe(CO) 5 isolated molecule is also observed in clusters.

Physica ScriptaVol. 100(2)
Centre National de la Recherche Scientifique (FR), École Nationale Supérieure d'Ingénieurs de Caen (FR), Commissariat à l'Énergie Atomique et aux Énergies Alternatives (FR), Normandie Université (FR), Centre de Recherche sur les Ions, les Matériaux et la Photonique (FR), Czech Academy of Sciences, J. Heyrovský Institute of Physical Chemistry (CZ), University of Chemistry and Technology, Prague (CZ), Université de Caen Normandie (FR)
European Cooperation in Science and Technology, Ministerstvo Školství, Mládeže a Tělovýchovy, H2020 Marie Skłodowska-Curie Actions
Openalex Percentile: Top 74%
Ion-surface interactions and analysis
DOIOpen Access PDFOpenAlex
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