Abstract

We study the adsorption properties of the N 2 molecule on the Be (0001) surface by calculating the potential energy surfaces and analyzing the electronic densities of states. It is found that the N 2 molecule cannot adsorb molecularly on the clean Be surface, and the dissociation energy barrier of N 2 is estimated to be as large as 4.10 eV. Our studies indicate that the Be surfaces cannot be used as N 2 cleaners, but might be used to drive out N 2 molecules in automotive catalytic converters.

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