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Premium Energy deposition in [Fe(CO) 5 ] +˙ upon collision with a metal surface
DeKrey Michael J.,
Kenttämaa Hilkka I.,
Wysocki Vicki H.,
Cooks R. G.
Publication year1986
Publication title
organic mass spectrometry
Resource typeJournals
PublisherJohn Wiley & Sons
Abstract Collision of the title ion upon a stainless steel surface at near‐normal incidence leads to deposition of internal energy in a well‐defined narrow distribution. The energy deposited increases with laboratory collision energy and exceeds 7 eV (average) for 100 eV collisions. The translational‐to‐vibrational energy transfer efficiency is 15% (assuming an infinitely massive target) at 25 eV collision energy. Comparison is made with the internal energy distributions associated with gas‐phase collisional activation using both low and high ion kinetic energies. The narrowness of the distribution of internal energies, the easy access to ions excited to different extents, and the high internal energies accessible, make the ion/surface collision process superior to gas‐phase collisional activation for this system.
Subject(s)atomic physics , chemistry , chromatography , collision , collision induced dissociation , composite material , computer science , computer security , dissociation (chemistry) , elastic collision , electron , excited state , internal energy , ion , kinetic energy , mass spectrometry , materials science , nuclear physics , organic chemistry , physics , quantum mechanics , range (aeronautics) , tandem mass spectrometry , thermodynamics
SCImago Journal Rank0.475

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