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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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Talbot, Peter
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2020Spectroscopic Evidence of Surface Li-Depletion of Lithium Transition-Metal Phosphatescitations
- 2019Re-evaluation of experimental measurements for the validation of electronic band structure calculations for LiFePO4 and FePO4citations
- 2018Cerebral Serotonin Transporter Measurements with [11C]DASB: A Review on Acquisition and Preprocessing across 21 PET Centrescitations
- 2018A complete and accurate description of superconductivity of AlB2-type structures from phonon dispersion calculationscitations
- 2018Identification of superconductivity mechanisms and prediction of new materials using Density Functional Theory (DFT) calculationscitations
- 2017Computational prediction and experimental confirmation of rhombohedral structures in Bi1.5CdM1.5O7 (M = Nb, Ta) pyrochlorescitations
- 2017Phonon dispersion anomalies and superconductivity in metal substituted MgB2citations
- 2014Comparison of functionals for metal Hexaboride band structure calculationscitations
- 2014Coherent phonon decay and the boron isotope effect for MgB2citations
- 2013Metal hexaborides with Sc, Ti or Mncitations
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article
Spectroscopic Evidence of Surface Li-Depletion of Lithium Transition-Metal Phosphates
Abstract
The surface chemistries of carefully synthesized, phase pure lithium transition-metal phosphates LiTMPO4 (TM = Fe, Mn, Co, Ni) have been determined using a combination of surface spectroscopic techniques. Results obtained with X-ray photoelectron spectroscopy, Raman spectroscopy, and soft X-ray absorption spectroscopy indicate the presence of surface Li-depletion and mixed chemical states of transition-metal (TM) ions across the family. The extent of surface TM mixed chemical states has been found responsible for changes in color and optical absorption edge positions, which are often used to validate electronic band structure calculations. These characteristics are common in many complex metal oxide ceramics and may not be unique to lithium metal phosphate battery materials.