A reassessment of 5f occupation in plutonium

IF 1.8 4区物理与天体物理 Q2 SPECTROSCOPY

Journal of Electron Spectroscopy and Related Phenomena Pub Date : 2024-09-12 DOI:10.1016/j.elspec.2024.147478

JG Tobin

引用次数: 0

Abstract

A detailed spectroscopic simulation of the original Pu N_4,5 and O_4,5 X-Ray Absorption Spectroscopy (XAS) has been performed. Additionally, a fundamental flaw in the Electron Energy Loss Spectroscopy (EELS) measurement has been corrected. Thus, the determination of the 5f occupation (n) in elemental Pu has been re-evaluated with the result that n = 5.0 ± 0.1 for αPu and n = 4.9 ± 0.2 for δPu. These values are significantly lower than the value of ∼5½ that was propagated earlier.

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对钚中 5f 占位的重新评估

对原始钚 N4,5 和 O4,5 X 射线吸收光谱（XAS）进行了详细的光谱模拟。此外，还纠正了电子能量损失光谱（EELS）测量中的一个基本缺陷。因此，对元素钚中 5f 占位 (n) 的测定进行了重新评估，结果是 αPu 的 n = 5.0 ± 0.1，δPu 的 n = 4.9 ± 0.2。这些数值明显低于先前传播的 ∼5½ 值。

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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来源期刊

Journal of Electron Spectroscopy and Related Phenomena 物理-光谱学

CiteScore

3.30

自引率

5.30%

发文量

审稿时长

60 days

期刊介绍： The Journal of Electron Spectroscopy and Related Phenomena publishes experimental, theoretical and applied work in the field of electron spectroscopy and electronic structure, involving techniques which use high energy photons (>10 eV) or electrons as probes or detected particles in the investigation.