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Interaction of nitrogen with the Ni(111) plane

Vladimir Zhukov
Andreas Ferstl
Klaus D. Rendulic

Sažetak

Clean nickel surfaces seem to be inert to N2 adsorption. Active centers though, produced by nitrogen ion bombardment of the Ni(111) plane, allow non activated, dissociative adsorption of nitrogen. This mechanism leads to zero order desorption kinetics at a temperature of 820 K. Saturation of the corresponding adsorption state is reached at 0.35 ML. The nitrogen ion bombardment leads to large amounts (≃ 3 ML) of sub-surface nitrogen, which desorb around 650 K. An attractive interaction between adsorbed nitrogen and hydrogen leads to simultaneous desorption of the two species at 430 K.

Ključne riječi

Hrčak ID:

299479

URI

https://hrcak.srce.hr/299479

Datum izdavanja:

2.5.1995.

Podaci na drugim jezicima: hrvatski

Posjeta: 457 *