HIGH-RESOLUTION HELIUM SCATTERING STUDIES OF INELASTIC INTERFERENCE STRUCTURES OF THE FRUSTRATED TRANSLATIONAL MODE OF CO ON CU(001)

被引:32
作者
BERTINO, M
ELLIS, J
HOFMANN, F
TOENNIES, JP
MANSON, JR
机构
[1] MAX PLANCK INST STROMUNGSFORSCH, D-37073 GOTTINGEN, GERMANY
[2] CLEMSON UNIV, DEPT PHYS & ASTRON, CLEMSON, SC 29631 USA
关键词
D O I
10.1103/PhysRevLett.73.605
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The angular distributions of multiquantum excitations of the lowest energy, frustrated translational vibrations of a low coverage of CO chemisorbed on Cu(001) have been investigated by high resolution helium scattering time-of-flight measurements. The elastic and the one-phonon creation and annihilation cross sections show several interference undulations as a function of parallel momentum transfer, and up to four multiquantum overtones. All the experimental observations are in reasonable agreement with a multiquantum scattering theory, which also provides information on the height and width of the adsorbed CO molecules.
引用
收藏
页码:605 / 608
页数:4
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