Network Structure and Rare-Earth Ion Local Environments in Fluoride Phosphate Photonic Glasses Studied by Solid-State NMR and Electron Paramagnetic Resonance Spectroscopies

2015 ◽  
Vol 119 (43) ◽  
pp. 24574-24587 ◽  
Author(s):  
Marcos de Oliveira ◽  
Tobias Uesbeck ◽  
Tássia S. Gonçalves ◽  
Claudio José Magon ◽  
Paulo S. Pizani ◽  
...  
Keyword(s):  
Electron Paramagnetic Resonance ◽  
Rare Earth ◽  
Solid State ◽  
Network Structure ◽  
Solid State Nmr ◽  
Rare Earth Ion ◽  
Paramagnetic Resonance ◽  
Local Environments ◽  
Electron Paramagnetic

Anionic redox reactions and structural degradation in a cation-disordered rock-salt Li1.2Ti0.4Mn0.4O2 cathode material revealed by solid-state NMR and EPR

2020 ◽  
Vol 8 (32) ◽  
pp. 16515-16526 ◽  
Author(s):  
Fushan Geng ◽  
Bei Hu ◽  
Chao Li ◽  
Chong Zhao ◽  
Olivier Lafon ◽  
...  
Keyword(s):  
Electron Paramagnetic Resonance ◽  
Solid State ◽  
Rock Salt ◽  
Epr Spectroscopy ◽  
Solid State Nmr ◽  
Redox Reactions ◽  
Degradation Mechanism ◽  
Structural Degradation ◽  
Paramagnetic Resonance ◽  
Electron Paramagnetic

The cation-disordered rock-salt Li1.2Ti0.4Mn0.4O2 is studied by solid-state NMR and electron paramagnetic resonance (EPR) spectroscopy during the first cycle. The anionic redox and structural degradation mechanism are discussed.

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