由非线性共振 X 射线吸收谱得到的镍在高能密度下的电子动力学
材料科学
2023-12-12 v1
摘要
X 射线自由电子激光（FELs）的脉冲强度可在固体中产生极端激发密度，进入非线性 X 射线–物质相互作用 regime。我们展示了金属镍薄膜的 L3 边吸收谱，其通量进入每个吸收截面入射多个 X 射线光子的 regime。所观察到的非线性谱变化的主要特征由脉冲期间电子布居动力学的预测性速率模型描述，该模型采用固定的态密度和列表化的基态性质。
引用
@article{arxiv.2211.17008,
title = {Electron Dynamics at High-Energy Densities in Nickel from Non-linear Resonant X-ray Absorption Spectra},
author = {Robin Y. Engel and Oliver Alexander and Kaan Atak and Uwe Bovensiepen and Jens Buck and Robert Carley and Michele Cascella and Valentin Chardonnet and Gheorghe Sorin Chiuzbaian and Christian David and Florian Döring and Andrea Eschenlohr and Natalia Gerasimova and Frank de Groot and Loïc Le Guyader and Oliver S. Humphries and Manuel Izquierdo and Emmanuelle Jal and Adam Kubec and Tim Laarmann and Charles-Henri Lambert and Jan Lüning and Jonathan P. Marangos and Laurent Mercadier and Giuseppe Mercurio and Piter S. Miedema and Katharina Ollefs and Bastian Pfau and Benedikt Rösner and Kai Rossnagel and Nico Rothenbach and Andreas Scherz and Justine Schlappa and Markus Scholz and Jan O. Schunck and Kiana Setoodehnia and Christian Stamm and Simone Techert and Sam M. Vinko and Heiko Wende and Alexander A. Yaroslavtsev and Zhong Yin and Martin Beye},
journal= {arXiv preprint arXiv:2211.17008},
year = {2023}
}
备注
The main text contains 5 pages and 4 figures, the total length including supplement is 14 pages, 7 figures and one table. See also the simultaneously submitted paper about the rate model