Vibronic coupling in the photoemission bands of condensed C-60

被引：41

作者：

Bruhwiler, PA

Maxwell, AJ

Baltzer, P

Andersson, S

Arvanitis, D

Karlsson, L

Martensson, N

机构：

[1] Department of Physics, Uppsala University, Box 530

[2] Swed. Transmiss. Research Institute, Box 707

来源：

CHEMICAL PHYSICS LETTERS | 1997年 / 279卷 / 1-2期

关键词：

D O I：

10.1016/S0009-2614(97)00949-4

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 present photoelectron spectra for the highest occupied molecular orbital (HOMO) of C-60 in the gas phase and a two-dimensional (2D) condensed layer. For low temperatures the similarity in the spectra is striking and places a strict upper limit of 0.07 eV on the HOMO electronic bandwidth for the 2D solid, which is a fraction of the theoretically predicted value. This is shown to be consistent with expectations of a polaronic model for the bands and suggests the need for a reassessment of the band dispersions in 3D C-60. (C) 1997 Elsevier Science B,V.

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页码：85 / 91

页数：7

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