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| rdf:type
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| Description
| - Tři nové diatomické trikationty Se2(3+), Te2(3+) a LaF3+ v plynné fázi byly produkovány oprašováním povrchů Se, Te a LaF argonem. Tyto exotické molekulární ionty (s dobou života větší než 13 ms) byly detekovány v magnetickém sektoru hmotnostního spektrometru a nezpochybnitelně charakterizovány svým charakteristickým izotopickým zastoupením. Ab initio výpočty ukázaly, že tyto trikationty Se2(3+), Te2(3+) a LaF3+ jsou v plynné fázi metastabilní vzhledem k možným umimolekulárním rozpadům. Vypočtené bariery jsou 0,49, 0,29 a 0,53 eV, přičemž vazebné vzdálenosti v energetickém minimu jsou 0,23, 0,27 a 0,26 nm. Současně byly charakterizovány odpovídající dlouhožijící dikationty Se2(2+), Te2(2+) a LaF2+, přičemž LaF2+ je termodynamicky stabilní (cs)
- Three gas-phase diatomic trications Se-2(3+), Te-2(3+), and LaF3+ have been produced by Ar+ ion beam sputtering of Se, Te, and LaF3 surfaces, respectively. These exotic molecular ions were detected at noninteger m/z values in a magnetic sector mass spectrometer for ion flight times of greater than or equal to13 mus that correspond to lower limits of their respective lifetimes. Se-2(3+) and Te-2(3+) were unambiguously identified by their characteristic isotopic abundances. Ab initio calculations of the electronic structures of Se-2(3+), Te-2(3+), and LaF3+ show that these molecular trications are metastable with respect to dissociation into fragment ions of Se2++Se+, Te2++Te+, and La2++F+, respectively. Their barrier heights are about 0.49, 0.29, and 0.53 eV, and the equilibrium internuclear distances (bond lengths) are about 0.23, 0.27, and 0.26 nm, respectively. The gas-phase diatomic dications Se-2(2+) and Te-2(2+) were also observed and unambiguously identified.
- Three gas-phase diatomic trications Se-2(3+), Te-2(3+), and LaF3+ have been produced by Ar+ ion beam sputtering of Se, Te, and LaF3 surfaces, respectively. These exotic molecular ions were detected at noninteger m/z values in a magnetic sector mass spectrometer for ion flight times of greater than or equal to13 mus that correspond to lower limits of their respective lifetimes. Se-2(3+) and Te-2(3+) were unambiguously identified by their characteristic isotopic abundances. Ab initio calculations of the electronic structures of Se-2(3+), Te-2(3+), and LaF3+ show that these molecular trications are metastable with respect to dissociation into fragment ions of Se2++Se+, Te2++Te+, and La2++F+, respectively. Their barrier heights are about 0.49, 0.29, and 0.53 eV, and the equilibrium internuclear distances (bond lengths) are about 0.23, 0.27, and 0.26 nm, respectively. The gas-phase diatomic dications Se-2(2+) and Te-2(2+) were also observed and unambiguously identified. (en)
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| Title
| - Gas-Phase Diatomic Trications of Se2 3+, Te2 3+ and LaF3+
- Diatomické trikationty Se2(3+), Te2(3+) a LaF3+ v plynné fázi (cs)
- Gas-Phase Diatomic Trications of Se2 3+, Te2 3+ and LaF3+ (en)
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| skos:prefLabel
| - Gas-Phase Diatomic Trications of Se2 3+, Te2 3+ and LaF3+
- Diatomické trikationty Se2(3+), Te2(3+) a LaF3+ v plynné fázi (cs)
- Gas-Phase Diatomic Trications of Se2 3+, Te2 3+ and LaF3+ (en)
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| skos:notation
| - RIV/61388955:_____/04:00107676!RIV/2005/AV0/A54005/N
|
| http://linked.open.../vavai/riv/strany
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
| - P(GA203/02/0737), Z(AV0Z4040901)
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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
| |
| http://linked.open...ai/riv/idVysledku
| - RIV/61388955:_____/04:00107676
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - scanning atom-probe; field-evaporated ions; metal (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
| - US - Spojené státy americké
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
| - Journal of Chemical Physics
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| http://linked.open...in/vavai/riv/obor
| |
| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
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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
| - Williams, P.
- Franzreb, K.
- Lörinčík, J.
- Hrušák, Jan
- Sobers Jr., R. C.
- Alikhani, M. E.
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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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