Highly charged ion impact on graphene leading to the emission of low energy electrons

被引：0

作者：

Schwestka, J. ^{[1
]}

Niggas, A. ^{[1
]}

Creutzburg, S. ^{[2
]}

Kozubek, R. ^{[3
,4
]}

Madau, L. ^{[3
,4
]}

Heller, R. ^{[2
]}

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

Facsko, S. ^{[2
]}

Wilhelm, R. A. ^{[1
,2
]}

Aumayr, F. ^{[1
]}

机构：

[1] TU Wien, Inst Appl Phys, A-1040 Vienna, Austria

[2] Helmholtz Zentrum Dresden Rossendorf, Inst Ion Beam Phys & Mat Res, D-01328 Dresden, Germany

[3] Univ Duisburg Essen, Fac Phys, D-47057 Duisburg, Germany

[4] CENIDE, D-47057 Duisburg, Germany

来源：

31ST INTERNATIONAL CONFERENCE ON PHOTONIC, ELECTRONIC AND ATOMIC COLLISIONS (ICPEAC XXXI) | 2020年 / 1412卷

关键词：

D O I：

10.1088/1742-6596/1412/20/202012

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Recent experiments found that the neutralisation of highly charged ions interacting with a freestanding single layer of graphene proceeds on a femtosecond time scale. This ultra-fast deexcitation was attributed to Interatomic Coulombic Decay (ICD), a process in which core holes in the projectile are filled by previously captured outer electrons and the energy is transferred to electrons of the surrounding carbon atoms. ICD therefore predicts the emission of many low energy electrons. We now present experimental evidence that e.g. Xe40+ indeed emits up to 85 electrons with energies below 20 eV.

引用

页数：1

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