Channeling Vibrational Energy To Probe the Electronic Density of States in Metal Clusters

被引：11

作者：

Jalink, Jeroen ^{[1
]}

Bakker, Joost M. ^{[2
]}

Rasing, Theo ^{[1
]}

Kirilyuk, Andrei ^{[1
]}

机构：

[1] Radboud Univ Nijmegen, Inst Mol & Mat, NL-6525 AJ Nijmegen, Netherlands

[2] Radboud Univ Nijmegen, Inst Mol & Mat, FELIX Lab, NL-6525 ED Nijmegen, Netherlands

来源：

JOURNAL OF PHYSICAL CHEMISTRY LETTERS | 2015年 / 6卷 / 04期

关键词：

INFRARED-SPECTROSCOPY; IONIZATION; DYNAMICS; COBALT; AG; CO;

D O I：

10.1021/jz502669s

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We investigate the electronic density of states (DOS) of isolated neutral cobalt clusters by probing the temperature-modulated population of electronic states through UV photoionization. The temperature is controlled via resonant excitation of lattice vibrations using the free-electron laser FELICE, after which the vibrational and electronic systems equilibrate through the electron-phonon coupling, redistributing the population of electronic states. The data are analyzed by surface photoemission theory, modified to incorporate the realistic DOS.

引用

页码：750 / 754

页数：5

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