Direct infrared photodesorption of physisorbed H2

被引：18

作者：

Hassel, M ^{[1
]}

Svensson, K

Persson, M

Andersson, S

机构：

[1] Chalmers Univ Technol, Dept Appl Phys, S-41296 Gothenburg, Sweden

[2] Gothenburg Univ, S-41296 Gothenburg, Sweden

来源：

PHYSICAL REVIEW LETTERS | 1998年 / 80卷 / 11期

关键词：

D O I：

10.1103/PhysRevLett.80.2481

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Blackbody radiation induced desorption rates of H-2 and D-2 physisorbed on a Cu(510) surface were determined via electron-energy-loss measurements. Intense dipole-excited vibrational transitions to high-lying bound levels in the physisorption well indicate the possibility of direct infrared photodesorption. We have calculated rates for such a mechanism from spectroscopic data for H-2 adsorbed on the (100)-like terraces and find excellent agreement with the experimental results.

引用

页码：2481 / 2484

页数：4

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