Intermolecular Coulombic Decay in Liquid Water

被引：24

作者：

Zhang, Pengju ^{[1
]}

Perry, Conaill ^{[1
]}

Luu, Tran Trung ^{[1
,2
]}

Matselyukh, Danylo ^{[1
]}

Worner, Hans Jakob ^{[1
]}

机构：

[1] Swiss Fed Inst Technol, Lab Phys Chem, Vladimir Prelog Weg 2, CH-8093 Zurich, Switzerland

[2] Univ Hong Kong, Dept Phys, Pokfulam Rd, Hong Kong, Peoples R China

来源：

PHYSICAL REVIEW LETTERS | 2022年 / 128卷 / 13期

基金：

欧洲研究理事会; 瑞士国家科学基金会;

关键词：

The authors thank Dr. Matthieu Gisselbrecht (Lund) and Dr. Zhong Yin (Zürich) for helpful discussions. This work was supported by the European Research Council (Project No. 772797-ATTOLIQ); the Swiss National Science Foundation through the NCCR-MUST Project No. 200021_172946; and ETH Career Seed Grant No; SEED-12; 19-1/1-004952-000;

D O I：

10.1103/PhysRevLett.128.133001

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report the first observation of intermolecular Coulombic decay (ICD) in liquid water following innervalence ionization. By combining a monochromatized tabletop high-harmonic source with a liquid microjet, we record electron-electron coincidence spectra at two photon energies that identify the ICD electrons, together with the photoelectrons originating from the 2a1 inner-valence band of liquid water. Our results confirm the importance of ICD as a source of low-energy electrons in bulk liquid water and provide quantitative results for modeling the velocity distribution of the slow electrons that are thought to dominate radiation damage in aqueous environments.

引用

页数：6

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