Reference : Study of the mechanism of direct laser desorption/ionisation for some small organic m...
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
Study of the mechanism of direct laser desorption/ionisation for some small organic molecules (M < 400 daltons)
Benazouz, M. [> > > >]
Hakim, B. [> > > >]
Debrun, J. L. [> > > >]
Strivay, David mailto [Université de Liège - ULiège > Département de physique > Physique nucléaire, atomique et spectroscopie - Centre européen en archéométrie >]
Weber, Georges [Université de Liège - ULiège > > Centre européen en archéométrie - Physique nucléaire, atomique et spectroscopie >]
Rapid Communications in Mass Spectrometry
John Wiley & Sons, Inc
Yes (verified by ORBi)
United Kingdom
[en] Aspects of direct laser desorption/ionisation have been studied for three molecules, aminotriazole (positive ion), dinoterb and ioxynil (negative ion). The samples are deposited on metallic substrates, and a nitrogen laser is used for desorption/ionisation; ion yields are measured with a time-of-flight mass spectrometer, Previous work had shown that ion yields can strongly vary from one substrate to another, and that this variation does not reflect the (calculated) metal surface temperatures. New results obtained in this work indicate that the desorption/ionisation mechanism is linked to the physical state of the substrate surface. Copyright (C) 1999 John Wiley & Sons, Ltd.

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