The activated chemisorption of N<sub>2</sub> on Ni （poly） and La film was performed on a molecular beam—surface scattering apparatus. Experimental results indicate that the initial sticking probability ...The activated chemisorption of N<sub>2</sub> on Ni （poly） and La film was performed on a molecular beam—surface scattering apparatus. Experimental results indicate that the initial sticking probability s<sub>o</sub> increases linearly from 0 to 0.03 as normal component of translational energy of the molecuar beam E<sub>n</sub> increases from 11.00 to 19.91 kcal/mol for N<sub>2</sub>/Ni system and S<sub>0</sub> from 0 to 0. 10 as E<sub>n</sub> from 10. 40 to 19.91 kcal/mol for N<sub>2</sub>/La system. The apparent activation energy △E are 6.16 kcal/mol and 5.30 kcal/mol for N<sub>2</sub>/Ni and N<sub>2</sub>/La systems respectively.展开更多
基金Project supportec by the National Natural Science Foundation of China
文摘The activated chemisorption of N<sub>2</sub> on Ni （poly） and La film was performed on a molecular beam—surface scattering apparatus. Experimental results indicate that the initial sticking probability s<sub>o</sub> increases linearly from 0 to 0.03 as normal component of translational energy of the molecuar beam E<sub>n</sub> increases from 11.00 to 19.91 kcal/mol for N<sub>2</sub>/Ni system and S<sub>0</sub> from 0 to 0. 10 as E<sub>n</sub> from 10. 40 to 19.91 kcal/mol for N<sub>2</sub>/La system. The apparent activation energy △E are 6.16 kcal/mol and 5.30 kcal/mol for N<sub>2</sub>/Ni and N<sub>2</sub>/La systems respectively.
