Molecular single photon double K-shell ionization

被引：11

作者：

Penent, F. ^{[1
,2
]}

Nakano, M. ^{[3
,4
]}

Tashiro, M. ^{[5
]}

Grozdanov, T. P. ^{[6
]}

Zitnik, M. ^{[7
]}

Carniato, S. ^{[1
,2
]}

Selles, P. ^{[1
,2
]}

Andric, L. ^{[1
,2
]}

Lablanquie, P. ^{[1
,2
]}

Palaudoux, J. ^{[1
,2
]}

Shigemasa, E. ^{[5
]}

Iwayama, H. ^{[5
]}

Hikosaka, Y. ^{[8
]}

Soejima, K. ^{[8
]}

Suzuki, I. H. ^{[3
]}

Kouchi, N. ^{[4
]}

Ito, K. ^{[3
]}

机构：

[1] Univ Paris 06, LCPMR, F-75231 Paris 05, France

[2] CNRS, LCPMR, UMR 7614, F-75231 Paris 05, France

[3] Inst Mat Struct Sci, Photon Factory, Oho, Ibaraki 3050801, Japan

[4] Tokyo Inst Technol, Dept Chem, Tokyo 1528551, Japan

[5] Inst Mol Sci, Okazaki, Aichi 4448585, Japan

[6] Univ Belgrade, Inst Phys, Belgrade 11080, Serbia

[7] Jozef Stefan Inst, SI-1001 Ljubljana, Slovenia

[8] Niigata Univ, Dept Environm Sci, Niigata 9502181, Japan

来源：

JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA | 2014年 / 196卷

关键词：

Double K-shell ionization; Coincidence electron spectroscopy; Auger spectroscopy; Chemical shift; HYPERSATELLITES; SPECTROSCOPY;

D O I：

10.1016/j.elspec.2013.10.002

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

We have studied single photon double K-shell ionization of small molecules (N-2, CO, C2H2n, (n = 1-3),...) and the Auger decay of the resulting double core hole (DCH) molecular ions thanks to multi-electron coincidence spectroscopy using a magnetic bottle time-of-flight spectrometer. The relative cross-sections for single-site (K-2) and two-site (K-1K-1) double K-shell ionization with respect to single K-shell (K-1) ionization have been measured that gives important information on the mechanisms of single photon double ionization. The spectroscopy of two-site (K-1K-1) DCH states in the C2H2n (n = 1-3) series shows important chemical shifts due to a strong dependence on the C-C bond length. In addition, the complete cascade Auger decay following single site (K-2) ionization has been obtained. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：38 / 42

页数：5

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