Collision-induced dissociation of Nb (x) O (y) (+) (x=1, 2, y=2-12) clusters: crossed molecular beams and collision cell studies
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Oxygen-rich niobium oxide clusters are formed by mixing laser-produced Nb plasma with pure oxygen, and their stability is investigated by mass spectrometry and collision-induced dissociation. We use an experimental configuration recently developed by our group, where the cluster ions beam is crossed with a secondary beam of noble gas atoms, and the fragments are rejected by a retarding field energy analyzer. In this way, the relative collision cross sections of Nb (x) O (y) (+) (x = 1, 2, y = 2-12) clusters have been measured and information about their fragmentation channels has been obtained.
Извор:Applied Physics. A: Materials Science and Processing, 2015, 118, 4, 1479-1487
- Romanian National Authority for Scientific Research, CNCS-UEFISCDI [PN-II-RU-TE-2011-3-0174], Marie Curie Initial Training network ICONIC [PITN-GA-2009-238671]
ISSN: 0947-8396 (print); 1432-0630 (electronic)