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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Flavell, Wendy R.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (16/16 displayed)
- 2024Toward Water-Resistant, Tunable Perovskite Absorbers Using Peptide Hydrogel Additives
- 2023Elucidating the mechanism of self healing in hydro gel lead halide perovskite composites for use in photovoltaic devices
- 2022Surface stability of ionic-liquid-passivated mixed-cation perovskite probed with in-situ photoelectron spectroscopycitations
- 2021Inelastic background modelling applied to Hard X-ray Photoelectron Spectroscopy of deeply buried layers: a comparison of synchrotron and lab-based (9.25 keV) measurementscitations
- 2020Spatially and temporally resolved degradation in antisolvent treated perovskite films
- 2020Spatially and temporally resolved degradation in antisolvent treated perovskite films
- 2019Air-Stable Methylammonium Lead Iodide Perovskite Thin Films Fabricated via Aerosol-Assisted Chemical Vapor Deposition from a Pseudohalide Pb(SCN)2 Precursorcitations
- 2018Ambient-Air-Stable Inorganic Cs2SnI6 Double Perovskite Thin Films via Aerosol-Assisted Chemical Vapour Depositioncitations
- 2012Growth and characterization of strained and alloyed type-II ZnTe/ZnSe core-shell nanocrystalscitations
- 2011Controlled synthesis of tuned bandgap nanodimensional alloys of PbS xSe1-xcitations
- 2007Electronic properties of the interface between p-CuI and anatase-phase n-Ti O2 single crystal and nanoparticulate surfaces: A photoemission studycitations
- 2005Resonant photoemission of transition metal perovskitescitations
- 2003Local investigation of electronic structure modulation in BaPbxBi1-xO3 via highly spatially resolved low-loss electron energy loss spectroscopy.
- 2003Investigations of chemical and electronic inhomogeneities in BaPb 1-xBixO3 via highly spatially resolved electron energy loss spectroscopycitations
- 2002Electronic structure and reactivity of TM-doped La1-xSrxCoO3 (TM = Ni, Fe) catalystscitations
- 2001X-ray powder diffraction and EXAFS studies on SnAPO-5 and Cu:SnAPO-5citations
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article
Resonant photoemission of transition metal perovskites
Abstract
We discuss the use of resonant photoemission in the study of rare earth/transition metal perovskites and perovskite-related structures. We illustrate its application to the assignment of the RE and TM valence band density of states in Nd2Ni1-xCuxO4 and REBaCo2O5+δ. In both cases, the relative positions of the 4f and 3d contributions within the valence band density of states (DOS) relative to the Fermi energy provide a rationalisation of the redox behaviour of the system. We also apply the technique to the determination of the Co spin state in Co(III) perovskites such as LaCoO3 and GdBaCo2O5+δ, where the observation of a delayed Co 3p → 3d resonance is a powerful diagnostic of the Co(III) low spin state. This reveals that while the Co(III) ions in LaCoO3 increasingly populate the low spin state as the sample temperature is lowered, a significant proportion of the Co(III) species in GdBaCo2O5+δ are not in the low spin state at temperatures as low as 50 K. © 2005 Elsevier B.V. All rights reserved.