Shape of the local-vibration band of adsorbed hydrogen-bonded molecular complexes

Autor:	I. V. Kuz’menko, V. M. Rozenbaum, V. E. Klimenko
Rok vydání:	2000
Předmět:	Coupling Materials science Hydrogen Dephasing chemistry.chemical_element Spectral bands Hydrogen atom Molecular physics Atomic and Molecular Physics and Optics Electronic Optical and Magnetic Materials Vibration Adsorption chemistry Libration Physics::Chemical Physics Atomic physics
Zdroj:	Optics and Spectroscopy. 88:201-204
ISSN:	1562-6911 0030-400X
DOI:	10.1134/1.626779
Popis:	Within the framework of a dephasing model, a simple expression is obtained that describes a change in the shape of the vibrational band of the hydrogen atom upon adsorption of hydrogen-bonded complexes. The surface effect is taken into account by introducing the parameter of removal of the degeneration of low-frequency libration modes. As a coupling of the complex with the surface increases, the width of the spectral band and shift of its maximum decrease, and their ratio increases from 1.38 to 2.45.
Databáze:	OpenAIRE
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