Journal
APPLIED PHYSICS LETTERS
Volume 94, Issue 12, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3109777
Keywords
crystal orientation; density functional theory; electron energy loss spectra; iron compounds; lithium compounds
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Funding
- French Research Ministry
- University of Nantes
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Experimental valence electron energy-loss spectra, obtained on different phases of LixFePO4, are analyzed with first principles calculations based on density functional theory. In the 4-7 eV range, a large peak is identified in the FePO4 spectrum but is absent in LiFePO4, which allows the easy formation of energy filtered images. The intensity of this peak, nonsensitive to the precise orientation of the crystal, is large enough to rapidly determine existing phases in the sample and permit future dynamical studies.
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