Atomic oxygen on a Pt(111) surface studied by infrared spectroscopy

被引：26

作者：

Engström, U ^{[1
]}

Ryberg, R

机构：

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

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

来源：

PHYSICAL REVIEW LETTERS | 1999年 / 82卷 / 13期

关键词：

D O I：

10.1103/PhysRevLett.82.2741

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have made a detailed investigation of atomic oxygen chemisorbed on a Pt(lll) surface using infrared spectroscopy. The half-width of the absorption peak of the metal-atom stretch mode was about 3 times broader than for chemisorbed diatomic molecules. The temperature dependence of the peak width indicated a strong interaction with the substrate phonons. In addition, a dip in the absorption spectrum, what is called an antiabsorption, was found at lower energies, associated with the dipole-forbidden frustrated translation, [S0031-9007(99)08814-6].

引用

页码：2741 / 2744

页数：4

共 20 条

[1]

BASS J, 1982, METALS ELECT TRANS A, V15, P63

[2] VIBRATIONAL DEPHASING AT SURFACES - THE ROLE OF CUBIC ANHARMONICITY AND FERMI RESONANCES [J].