Bond-length-dependent core hole localization observed in simple hydrocarbons

被引：19

作者：

Gunnelin, K

Glans, P

Rubensson, JE

Såthe, C

Nordgren, J

Li, Y

Gel'mukhanov, F

Ågren, H

机构：

[1] Univ Uppsala, Dept Phys, S-75121 Uppsala, Sweden

[2] Mid Sweden Univ, Dept Phys & Math, S-85170 Sundsvall, Sweden

[3] Linkoping Univ, Inst Phys & Measurement Technol, S-58183 Linkoping, Sweden

来源：

PHYSICAL REVIEW LETTERS | 1999年 / 83卷 / 07期

关键词：

D O I：

10.1103/PhysRevLett.83.1315

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Soft x-ray-emission spectroscopy is applied to measure the amount of dynamic symmetry breaking in core-excited acetylene, ethylene, and ethane. Large variations are observed between the molecules and are rationalized in terms of the different C-C bond lengths: Shorter bond lengths give smaller symmetry breaking. The results also indicate that asymmetric modes are important for all the systems studied, in contradiction to previous assumptions in literature.

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页码：1315 / 1318

页数：4

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