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| Description
| - Collisions of SF42+ and SF4+ ions with hydrocarbon-covered stainless steel surface at room temperature were investigated. The projectile ions were mass selected by a two-sector-field mass spectrometer and decelerated to incident energies of 60 to a few eV. Product ions were measured with the use of a time-of-flight spectrometer and their relative abundances determined as a function of the incident energy of the projectile ions (collision-energy-resolved mass spectra, CERMS curves). The mass spectra of product ions were dominated by fragment ions SF3+, SF2+, and SF+ at incident energies below 40 eV, while sputtering of contaminant adsorbates prevailed at higher energies. The results indicate that the likely major reaction sequence responsible for the observed CERMS curves of product ions from SF42+ collisions is charge exchange to form singly charged projectile ions followed by subsequent unimolecular fragmentation.
- Collisions of SF42+ and SF4+ ions with hydrocarbon-covered stainless steel surface at room temperature were investigated. The projectile ions were mass selected by a two-sector-field mass spectrometer and decelerated to incident energies of 60 to a few eV. Product ions were measured with the use of a time-of-flight spectrometer and their relative abundances determined as a function of the incident energy of the projectile ions (collision-energy-resolved mass spectra, CERMS curves). The mass spectra of product ions were dominated by fragment ions SF3+, SF2+, and SF+ at incident energies below 40 eV, while sputtering of contaminant adsorbates prevailed at higher energies. The results indicate that the likely major reaction sequence responsible for the observed CERMS curves of product ions from SF42+ collisions is charge exchange to form singly charged projectile ions followed by subsequent unimolecular fragmentation. (en)
- Byly studovány srážky iontů SF42+ a SF4+ s nerezovým povrchem, pokrytým za pokojové teploty uhlovodíky. Projektylové ionty byly vybrány podle hmotnosti hmotnostním spektrometrem se dvěma sektorovými poli a zbrzděny na srážkovou energii od 60 eV do několika eV. Iontové produkty byly měřeny pomocí průletového hmotnostního spektrometru a jejich relativní četnost byla stanovena jako funkce energie dopadu projektilů (hmotnostní spektra rozlišená podle srážkové energie, křivky CERMS). V hmotnostních spektrech iontových produktů převažují fragmentové ionty SF3+, SF2+, a SF+ při energiích pod 4O eV, při vyšších energiích převažuje rozprašování povrchových adsorbátů. Výsledky ukazují, že hlavní proces, odpovědný zas pozorované iontové produkty v křivkách CERMS po dopadu dikationtu SF42+, je přenos náboje, tvorba jednou nabitých iontů a jejich následná monomolekulová fragmentace. (cs)
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| Title
| - Charge exchange, surface-induced dissociation and reactions of doubly charged molecular ions SF42+ upon impact on a stainless steel surface: A comparison with surface-induced dissociation of singly charged SF4+ molecular ions
- Přenos náboje, disociace a reakce vyvolané srážkou s povrchem dvakrát nabitých iontů SF42+ při dopadu na nerezový povrch: Srovnání s disociací vyvolanou srážkou kationtů SF4+ (cs)
- Charge exchange, surface-induced dissociation and reactions of doubly charged molecular ions SF42+ upon impact on a stainless steel surface: A comparison with surface-induced dissociation of singly charged SF4+ molecular ions (en)
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| skos:prefLabel
| - Charge exchange, surface-induced dissociation and reactions of doubly charged molecular ions SF42+ upon impact on a stainless steel surface: A comparison with surface-induced dissociation of singly charged SF4+ molecular ions
- Přenos náboje, disociace a reakce vyvolané srážkou s povrchem dvakrát nabitých iontů SF42+ při dopadu na nerezový povrch: Srovnání s disociací vyvolanou srážkou kationtů SF4+ (cs)
- Charge exchange, surface-induced dissociation and reactions of doubly charged molecular ions SF42+ upon impact on a stainless steel surface: A comparison with surface-induced dissociation of singly charged SF4+ molecular ions (en)
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| skos:notation
| - RIV/61388955:_____/08:00321413!RIV09-AV0-61388955
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/61388955:_____/08:00321413
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - doubly charged ion; surface-induced dissociations; surface-induced reaction; charge exchange (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
| - International Journal of Mass Spectrometry
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...UplatneniVysledku
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| http://linked.open...v/svazekPeriodika
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| http://linked.open...iv/tvurceVysledku
| - Endstrasser, N.
- Herman, Zdeněk
- Märk, T. D.
- Rasul, B.
- Scheier, P.
- Feketeová, L.
- Grill, V.
- Zappa, F.
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| http://linked.open...ain/vavai/riv/wos
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| http://linked.open...n/vavai/riv/zamer
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| issn
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| number of pages
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| is http://linked.open...avai/riv/vysledek
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