Ground-state oxygen holes and the metal–insulator transition in …
2016年10月11日 · Here we combine X-ray absorption and resonant inelastic X-ray scattering (RIXS) spectroscopies to resolve important aspects of the complex electronic structure of rare-earth nickelates, taking...
Separation of surface oxide from bulk Ni by selective Ni 3p ...
2021年8月16日 · In this work, we establish Auger electron photoelectron coincidence spectroscopy (APECS) as a powerful tool to determine chemical ESCA shifts previously inaccessible with the example of Ni 3 p...
XPS spectra of the Ni 3p peak associated with (A) the …
In the current work, a simplified electrochemical sensor system based on an electrode modifier containing LaNiO3 was developed to detect catechol (CC). The surface micrograph of LaNiO3 was examined...
Atomic-Scale Insights into Nickel Exsolution on LaNiO3 Catalysts …
2021年12月30日 · Using a combination of insitu bulk and surface characterization techniques, we provide atomic-scale insight into the complex surface and bulk dynamics of a LaNiO 3 perovskite material during heating in vacuo.
Nickel L-edge and K-edge X-ray absorption spectroscopy of non …
A series of nickel dithiolene complexes Ni[S2C2(CF3)2]2n (n = −2, −1, 0) has been investigated using Ni L- and K-edge X-ray absorption spectroscopy (XAS). The L3 centroid shifts about 0.3 eV for a change of one unit in the formal oxidation state (or 0.3 eV per oxi), corresponding to …
Interfacial charge transfer and its impact on transport ... - Science
2024年12月18日 · Here, we synthesized a series of epitaxial LaNiO 3 /LaFeO 3 superlattices and demonstrated partial (up to ~0.5 e − /interface unit cell) charge transfer from Fe to Ni near the interface, supported by density functional theory simulations and spectroscopic evidence of changes in Ni and Fe oxidation states.
Surface Chemistry Dependence on Aluminum Doping in Ni …
2019年11月27日 · X-ray absorption spectroscopy (XAS) of the TM L 3 -edges and depth-dependent X-ray photoelectron spectroscopy (XPS) measurements were used to probe changes in TM...
Ground state of ferromagnetic nickel and magnetic ... - ScienceDirect
1992年2月2日 · The electronic state of ferromagnetic Ni and an interpretation of magnetic circular dichroism (MCD) in Ni 2p → 3d and 3p → 3d X-ray absorption (XAS) are discussed from a viewpoint of 3d configuration interaction.
Ni 3p core-level XPS spectra from the LCMO/LNO interface to the …
Ni 3p core-level XPS spectra from the LCMO/LNO interface to the LNO layer. A large magnetic coupling has been observed at the La0.7Ca0.3MnO3/LaNiO3 (LCMO/LNO) interface. The x-ray photoelectron...
通过选择性 Ni 3p 光电子能谱从块体 Ni 中分离表面氧化物，用于与 Ni …
使用来自特定衰变通道的不同MVV俄歇区域对 Ni 3 p光电发射进行同步测量，将 3 p核心能级缩小到 1.2 eV 的宽度，解决了 1.6 eV 的自旋轨道分裂，并确定了 Ni 3 p能级的化学位移Ni(111)单晶及其氧化表面层的电压至0.6 eV。