Huang Y, Wodtke AM, Hou H, Rettner CT, Auerbach DJ
Department of Chemistry, University of California, Santa Barbara, California 93106, USA.
Phys Rev Lett. 2000 Mar 27;84(13):2985-8. doi: 10.1103/PhysRevLett.84.2985.
Measurements of vibrational excitation and deexcitation of NO (v = 2) scattering from a Au(111) surface show that the probability of both processes increases strongly with the kinetic energy of the incident NO. These results are qualitatively consistent with a vibrational energy transfer mechanism involving electron-hole pairs but not with competing adiabatic models. The form of the energy dependence, and other features of the measurements, are not in accord with existing calculations.
对从金(111)表面散射的一氧化氮(v = 2)的振动激发和去激发的测量表明,这两个过程的概率都随着入射一氧化氮的动能而强烈增加。这些结果在定性上与涉及电子 - 空穴对的振动能量转移机制一致,但与竞争性的绝热模型不一致。能量依赖性的形式以及测量的其他特征与现有计算结果不符。