PHOTOFRAGMENTATION OF C-60 MOLECULES FOLLOWING RESONANCE EXCITATION AND IONIZATION NEAR THE C1S EDGE

被引：31

作者：

AKSELA, S

NOMMISTE, E

JAUHIAINEN, J

KUKK, E

KARVONEN, J

BERRY, HG

SORENSEN, SL

AKSELA, H

机构：

[1] UNIV OULU,DEPT PHYS,SF-90570 OULU,FINLAND

[2] LUND UNIV,MAX LAB,FINNISH SYNCHROTRON RADIAT FACIL,S-22100 LUND,SWEDEN

[3] ROYAL INST TECHNOL,DEPT PHYS 1,S-10044 STOCKHOLM,SWEDEN

来源：

PHYSICAL REVIEW LETTERS | 1995年 / 75卷 / 11期

关键词：

D O I：

10.1103/PhysRevLett.75.2112

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Fragmentation spectra of C-60 molecules after selective resonant excitation and ionization of C 1s electrons have been found to differ remarkably. At the pi* preedge resonances the multiply charged ion show strong fragmentation. Above the 1s threshold the C-60(+) ion yield indicates that the slow photoelectrons can get recaptured. Relative fragmentation of the parent C-60(+) ions has been found to increase strongly above the threshold towards a maximum of about 20 eV kinetic energy of the photoelectrons; this may be due to the excitation of the giant plasmon resonance.

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页码：2112 / 2115

页数：4

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