六方密排元素金属光电阴极的密度泛函理论分析

Physical Review Special Topics-accelerators and Beams Pub Date : 2015-07-08 DOI:10.1103/PHYSREVSTAB.18.073401

Tuo Li, B. Rickman, W. Schroeder

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引用次数: 10

摘要

本文提出了一种基于密度函数理论的六方密堆积(hcp)金属的光发射分析方法，计算得到的横动量均方根值(ΔpT)与已有的实验数据吻合较好。[中国机械工程学报，2002,32(2)]。本文还研究了hcp金属的晶格常数和功函数，并与实验值相吻合。此外，由于存在强表面态，检测了(0001)取向Be的发射。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Density functional theory analysis of hexagonal close-packed elemental metal photocathodes

A density function theory based analysis of photoemission from hexagonal close packed (hcp) metals is presented and the calculated values of the rms transverse momentum (ΔpT) are in good agreement with the available experimental data on Be [Phys. Rev. Lett. 111, 237401 (2013)] and Mg [Proceedings of LINAC 2002, Gyeongju, Korea (2002)]. The lattice constants and work functions of the hcp metals are also examined and are consistent with the available experimental values. In addition, emission from (0001)-oriented Be is examined due to the presence of a strong surface state.

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来源期刊

Physical Review Special Topics-accelerators and Beams 物理-物理：核物理

自引率

0.00%

发文量

审稿时长

3-8 weeks

期刊介绍： Physical Review Special Topics - Accelerators and Beams (PRST-AB), is a peer reviewed, purely electronic journal, distributed without charge to readers and funded by contributions from national laboratories. It covers the full range of accelerator science and technology: subsystem and component technologies, beam dynamics; accelerator applications; and design, operation, and improvement of accelerators used in science and industry. This includes accelerators for high-energy and nuclear physics, synchrotron radiation production, spallation neutron sources, medical therapy, and intense beam applications.