Chin. Phys. Lett.  2005, Vol. 22 Issue (9): 2422-2425    DOI:
Original Articles |
Effect of Precursor Mechanism on CO--NO Catalytic Reaction on Body-Centred Cubic Structure: Monte Carlo Simulation
A. U. Qaisrani1;M. Khalid1;M. K. Khan2
1Department of Physics, Gomal University, Dera Ismail Khan, Pakistan 2Department of Physics, Quaid-i-Azam University, Islamabad, Pakistan
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A. U. Qaisrani, M. Khalid, M. K. Khan 2005 Chin. Phys. Lett. 22 2422-2425
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Abstract The CO--NO catalytic reaction on body-centred cubic (bcc) lattice is studied by Monte Carlo simulation. The simple Langmuir--Hinshelwood (LH) mechanism yields a steady reactive window, which is separated by continuous and discontinuous irreversible phase transitions. The effect of precursor mechanism on the phase diagram of the system is also studied. According to this mechanism, the precursor motion of CO molecules is considered only on the surface of bcc lattice. Some interesting observations are reported.
Keywords: 82.65.+r      83.10.Rs      87.15.Aa      02.70.Uu     
Published: 01 September 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/I9/02422
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