2018年8月1日 · For this purpose, thin films of CeO 2 grown on Si substrates and bulk CeO 2 samples were irradiated by Xe ions (92 MeV, 4.8 × 10 15 ions/cm 2) to simulate the fission damage that occurs within nuclear fuels. The irradiated and unirradiated samples were characterized by X-ray photoelectron spectroscopy.

2000年7月2日 · Photoemission spectra (XPS) were recorded on an LHS-10 spectrometer with the CH-analyser working in pass energy constant mode (50 eV) with a resolution of 0.21 eV and 150 scans and stored in a Hewlett-Packard Vectra PC on-line with the spectrometer.

XPS and XRD results showed that Zr ion-incorporated CeO2 crystal lattice, which exhibit a cubic phase with a fluorite structure. The presence of Ce⁴⁺, Zr⁴⁺, and activated carbon has been ...

2017年7月19日 · Combination of defects in CeO2 NPs with optimal amount of two-dimensional graphene sheets had a significant effect on the properties of the resulting hybrid CeO2-Graphene nanostructures, such...

本文的一大关注点就是 表面氧空位的浓度，因此本人 使用XPS和 X射线吸收光谱 （XAS）定量分析了氧空位的含量。 对于CeO2而言，氧空位缺陷的形成方程如下： 因此，氧空位的形成也可以认为是Ce2O3掺杂进入了CeO2引起的。 据此，通过测定Ce3+的含量就能知道氧空位的含量。 根据Le Normand和Burroughs等人的研究结果，Ce 3d的能谱可以用10个参数描述（如图1），它们分别与Ce3+（u0, v0, u'和v'）和Ce4+（u, v, u'', v'', u'''和v'''）有关。 因此，Ce3+的含量可以从其 …

2018年4月10日 · The electronic structure of the pure CeO2 and Fe-doped CeO2 polycrystalline samples have been investigated by X-ray photoemission spectroscopy (XPS). The XPS spectra of Ce 3d reveals the reduction of Ce4+ to Ce3+ states Fe-doped CeO2 samples, which are well supported by the Fe 2p and O 1s spectra.

The C1s XPS spectrum of CeO2/CNTs nanocomposites shown in Figure 4 a was deconvoluted into four peaks located at 289.2 eV (O=C-O), 286.5 eV (C=O), 285.6 eV (C-OH) and 284.8 eV (C-C), which were...

2007年7月5日 · The present work focuses on the XPS analysis: The influence of the heat treatment and the preparation procedure on the surface properties are deeply investigated. Besides the wide scan spectrum, detailed spectra for the Ce 3 d , Ce 4 d , O 1 s , and C 1 s regions and related data are presented and discussed.

The present study reports the effect of Fe-doping on the structural, optical, magnetic and electronic properties of polycrystalline CeO2 (for 5 and 10% doping concentration of Fe-cation) samples...

2023年9月4日 · In this paper, it is shown that this peak cannot be due to vacancies and that a better understanding of the changes in stoichiometry of CeO is best viewed from that of the Ce (III) component when considered in tandem with the O 1s signal. 主要由于其固有的氧化还原化学性质，二氧化铈 (CeO 2 ) 可用于许多不同的研究领域。 然而，在讨论CeO 2晶格的损坏或还原的结果时，对氧光谱存在大量误解，特别是关于该区域中归因于氧空位的信号。