Surface-induced dissociation of small carbon cluster negative ions (Cn,n = 5-12): correlation between the dissociation patterns and stability of fragment ion-neutral pairs

Article Abstract:

Small carbon cluster negative ions (Cn,n=5-12) have been found to exhibit variable surface-induced dissociation (SID) behaviors between odd and even ions, particularly at collision energies of 2-6 eV/atom. Under such conditions, clusters with one to six carbon atoms, tend to lose fragment ions. However, at higher collision energies, smaller even cluster ions predominate the mass spectra, as dissociation and electron detachment become more intense.

Analysis, Spectra, Ions, Dissociation, Dissociation reactions, Carbon compounds

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Aqueous dye diffusion in thin films of water-soluble poly(vinyl pyrrolidone) copolymers: a dynamic secondary ion mass spectrometry study

Article Abstract:

Model poly(vinylpyrrolidone) copolymer films are used to investigate the effects of solute binding on aqueous dye diffusion, by employing dynamic secondary ion mass spectrometry.

Thin films, Povidone

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