Adiabatic reduction and hysteresis of the LFI model for NO + NH 3 on Pt{100}

Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review

Autoren

  • H. Uecker
  • R. Imbihl
  • M. Rafti
  • I. M. Irurzun
  • J. L. Vicente
  • E. E. Mola

Organisationseinheiten

Externe Organisationen

  • Karlsruher Institut für Technologie (KIT)
  • Universidad Nacional de La Plata
  • University of Cambridge
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Details

OriginalspracheEnglisch
Seiten (von - bis)232-244
Seitenumfang13
FachzeitschriftChemical physics letters
Jahrgang382
Ausgabenummer3-4
Frühes Online-Datum13 Nov. 2003
PublikationsstatusVeröffentlicht - 5 Dez. 2003

Abstract

The Lombardo-Fink-Imbihl (LFI) model for the NO+NH3 reaction on Pt{100} consists of seven coupled ordinary differential equations (ODEs). Here, we present a numerical analysis for relaxation oscillations in the LFI and show that it cannot be adiabatically reduced to two coupled ODEs. We argue that this is because of the explicit consideration of the trapping processes of NO from 1×1 to hex phases in the kinetic mechanism of the reaction. Our analysis shows that an adiabatic reduction to three coupled ODEs can be achieved. Moreover, we examine the hysteretic behavior in detail.

ASJC Scopus Sachgebiete

Zitieren

Adiabatic reduction and hysteresis of the LFI model for NO + NH 3 on Pt{100}. / Uecker, H.; Imbihl, R.; Rafti, M. et al.
in: Chemical physics letters, Jahrgang 382, Nr. 3-4, 05.12.2003, S. 232-244.

Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review

Uecker, H, Imbihl, R, Rafti, M, Irurzun, IM, Vicente, JL & Mola, EE 2003, 'Adiabatic reduction and hysteresis of the LFI model for NO + NH 3 on Pt{100}', Chemical physics letters, Jg. 382, Nr. 3-4, S. 232-244. https://doi.org/10.1016/j.cplett.2003.10.026
Uecker, H., Imbihl, R., Rafti, M., Irurzun, I. M., Vicente, J. L., & Mola, E. E. (2003). Adiabatic reduction and hysteresis of the LFI model for NO + NH 3 on Pt{100}. Chemical physics letters, 382(3-4), 232-244. https://doi.org/10.1016/j.cplett.2003.10.026
Uecker H, Imbihl R, Rafti M, Irurzun IM, Vicente JL, Mola EE. Adiabatic reduction and hysteresis of the LFI model for NO + NH 3 on Pt{100}. Chemical physics letters. 2003 Dez 5;382(3-4):232-244. Epub 2003 Nov 13. doi: 10.1016/j.cplett.2003.10.026
Uecker, H. ; Imbihl, R. ; Rafti, M. et al. / Adiabatic reduction and hysteresis of the LFI model for NO + NH 3 on Pt{100}. in: Chemical physics letters. 2003 ; Jahrgang 382, Nr. 3-4. S. 232-244.
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abstract = "The Lombardo-Fink-Imbihl (LFI) model for the NO+NH3 reaction on Pt{100} consists of seven coupled ordinary differential equations (ODEs). Here, we present a numerical analysis for relaxation oscillations in the LFI and show that it cannot be adiabatically reduced to two coupled ODEs. We argue that this is because of the explicit consideration of the trapping processes of NO from 1×1 to hex phases in the kinetic mechanism of the reaction. Our analysis shows that an adiabatic reduction to three coupled ODEs can be achieved. Moreover, we examine the hysteretic behavior in detail.",
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AU - Uecker, H.

AU - Imbihl, R.

AU - Rafti, M.

AU - Irurzun, I. M.

AU - Vicente, J. L.

AU - Mola, E. E.

N1 - Funding Information: This work was supported by DAAD and Fundación Antorchas. E.E. Mola and J.L.Vicente also acknowledge the financial support of Consejo de Investigaciones Cientı́ficas y Técnicas (CONICET), Comisión de Investigaciones Cientı́ficas de la Provincia de Buenos Aires (CIC) and Universidad Nacional de La Plata (UNLP).

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