Chin. Phys. Lett.  2005, Vol. 22 Issue (6): 1533-1535    DOI:
Original Articles |
Non-Thermal Effects on CO--NO Surface Catalytic Reaction on Square Surface: Monte Carlo Study
M. Khalid1;A. U. Qaisrani1;W. Ahmad2
1Department of Physics, Gomal University, Dera Ismail Khan, Pakistan 2Physics Research Division, Pakistan Institute of Nuclear Science and Technology, PO Nilore, Islamabad, Pakistan
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M. Khalid, A. U. Qaisrani, W. Ahmad 2005 Chin. Phys. Lett. 22 1533-1535
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Abstract A Monte Carlo simulation of the CO--NO heterogeneous catalytic reaction over a square surface has already been studied with a model based on the Langmuir--Hinshelwood (LH) mechanism. The results of this study are well known. Here we study the effects of transient non-thermal mobility of monomer (CO) based on precursor mechanism, diffusion of adsorbed nitrogen and oxygen atoms, on the phase diagram. The interesting feature of this model is the yield of a steady reactive window, while simple LH mechanism is not capable of producing a steady reactive state.


Keywords: 82.65.+r      83.10.Rs      87.15.Aa      02.70.Uu     
Published: 01 June 2005
PACS:  82.65.+r (Surface and interface chemistry; heterogeneous catalysis at surfaces)  
  83.10.Rs (Computer simulation of molecular and particle dynamics)  
  87.15.Aa  
  02.70.Uu (Applications of Monte Carlo methods)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2005/V22/I6/01533
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