铑和钯化合物的 L3-edge X 射线光谱。

IF 2.5 3区物理与天体物理

Journal of Synchrotron Radiation Pub Date : 2024-07-01 Epub Date: 2024-06-26 DOI:10.1107/S1600577524004673

Hugo Alexander Suarez Orduz, Luca Bugarin, Sarina Lena Heck, Paolo Dolcet, Maria Casapu, Jan Dierk Grunwaldt, Pieter Glatzel

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引用次数: 0

摘要

介绍了钯和铑化合物的 L3 边高能分辨荧光检测 X 射线吸收近边结构 (XANES) 光谱，重点是它们的电子结构。这些数据与在 K 边记录的透射 XANES 光谱进行了比较。没有观察到吸收边能量与金属离子氧化态之间的相关性。尽管 4d 轨道的填充和局部配位不同，但 Rh 和 Pd 化合物的光谱形状非常相似。状态密度计算和 L3-XANES 数据再现了实验结果。

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L₃-edge X-ray spectroscopy of rhodium and palladium compounds.

L₃-edge high-energy-resolution fluorescence-detection X-ray absorption near-edge structure (XANES) spectra for palladium and rhodium compounds are presented, with focus on their electronic structures. The data are compared with transmission XANES spectra recorded at the K-edge. A correlation between the absorption edge energy and the metal ion oxidation state is not observed. Despite the different filling of the 4d orbitals and different local coordination, the Rh and Pd compounds show remarkably similar spectral shapes. Calculation of the density of states and of the L₃-XANES data reproduce the experimental results.

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来源期刊

Journal of Synchrotron Radiation INSTRUMENTS & INSTRUMENTATIONOPTICS&-OPTICS

CiteScore

5.60

自引率

12.00%

发文量

289

审稿时长

1 months

期刊介绍： Synchrotron radiation research is rapidly expanding with many new sources of radiation being created globally. Synchrotron radiation plays a leading role in pure science and in emerging technologies. The Journal of Synchrotron Radiation provides comprehensive coverage of the entire field of synchrotron radiation and free-electron laser research including instrumentation, theory, computing and scientific applications in areas such as biology, nanoscience and materials science. Rapid publication ensures an up-to-date information resource for scientists and engineers in the field.