An effusive molecular beam technique for studies of polyatomic gas-surface reactivity and energy transfer

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F11%3A10108236" target="_blank" >RIV/00216208:11320/11:10108236 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1063/1.3577076" target="_blank" >http://dx.doi.org/10.1063/1.3577076</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1063/1.3577076" target="_blank" >10.1063/1.3577076</a>

Jazyk výsledku

angličtina

Název v původním jazyce

An effusive molecular beam technique for studies of polyatomic gas-surface reactivity and energy transfer

Popis výsledku v původním jazyce

An effusive molecular beam technique is described to measure alkane dissociative sticking coefficients, S(T(g), T(s); theta), on metal surfaces for which the impinging gas temperature, T(g), and surface temperature, T(s), can be independently varied, along with the angle of incidence, theta, of the impinging gas. Effusive beam experiments with T(g) = T(s) = T allow for determination of angle-resolved dissociative sticking coefficients, S(T; theta), which when averaged over the cos(theta)/pi angular distribution appropriate to the impinging flux from a thermal ambient gas yield the thermal dissociative sticking coefficient, S(T). Nonequilibrium S(T(g), T(s); theta) measurements for which T(g) not equal T(s) provide additional opportunities to characterize the transition state and gas-surface energy transfer at reactive energies. A resistively heated effusive molecular beam doser controls the T(g) of the impinging gas striking the surface. The flux of molecules striking the surface from

Název v anglickém jazyce

An effusive molecular beam technique for studies of polyatomic gas-surface reactivity and energy transfer

Popis výsledku anglicky

An effusive molecular beam technique is described to measure alkane dissociative sticking coefficients, S(T(g), T(s); theta), on metal surfaces for which the impinging gas temperature, T(g), and surface temperature, T(s), can be independently varied, along with the angle of incidence, theta, of the impinging gas. Effusive beam experiments with T(g) = T(s) = T allow for determination of angle-resolved dissociative sticking coefficients, S(T; theta), which when averaged over the cos(theta)/pi angular distribution appropriate to the impinging flux from a thermal ambient gas yield the thermal dissociative sticking coefficient, S(T). Nonequilibrium S(T(g), T(s); theta) measurements for which T(g) not equal T(s) provide additional opportunities to characterize the transition state and gas-surface energy transfer at reactive energies. A resistively heated effusive molecular beam doser controls the T(g) of the impinging gas striking the surface. The flux of molecules striking the surface from

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

BM - Fyzika pevných látek a magnetismus

OECD FORD obor

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Projekt

—

Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2011

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Review of Scientific Instruments

ISSN

0034-6748

e-ISSN

—

Svazek periodika

82

Číslo periodika v rámci svazku

4

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

11

Strana od-do

044102, 1-11

Kód UT WoS článku

000290051500037

EID výsledku v databázi Scopus

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