Structural characteristics of lithium nickel phosphate studied using analytical electron microscopy and raman spectroscopy

C. V. Ramana, A. Ait-Salah, Satoshi Utsunomiya, U. Backer, A. Mauger, F. Gendron, C. M. Julien

Research output: Contribution to journalArticle

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Abstract

The structural characteristics of lithium nickel phosphate (LiNiPO 4) prepared by solid-state chemical reaction have been studied in detail using the analytical electron microscopy and Raman spectroscopy measurements. The high-resolution transmission electron microscopy and selected area electron diffraction measurements indicate that the grown LiNiPO 4 is well-crystallized in olivine structure without any indication of crystallographic defects such as dislocations or misfits. The energy-dispersive X-ray spectrometry coupled with the elemental compositional mapping using high-angle angular dark field scanning electron microscopy confirms the chemical quality of the grown LiNiPO 4 in terms of homogeneity and uniform elemental distribution characteristics. The local structure and chemical bonding between NiO 6 octahedral and (PO 4) 3- tetrahedral groups probed by Raman spectroscopy also indicate the high-quality of LiNiPO 4. Structural analysis of the delithiated Li 0.09NiPO 4 phase indicates lattice contraction and distortion upon lithium extraction. A detailed analysis and comparison of the pristine and delithiated phases is also reported.

Original languageEnglish
Pages (from-to)3788-3794
Number of pages7
JournalChemistry of Materials
Volume18
Issue number16
DOIs
Publication statusPublished - Aug 8 2006

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Nickel
Lithium
Electron microscopy
Raman spectroscopy
Phosphates
Olivine
High resolution transmission electron microscopy
Structural analysis
Electron diffraction
Chemical reactions
Defects
Scanning electron microscopy
X-Ray Emission Spectrometry
olivine

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)
  • Materials Chemistry

Cite this

Structural characteristics of lithium nickel phosphate studied using analytical electron microscopy and raman spectroscopy. / Ramana, C. V.; Ait-Salah, A.; Utsunomiya, Satoshi; Backer, U.; Mauger, A.; Gendron, F.; Julien, C. M.

In: Chemistry of Materials, Vol. 18, No. 16, 08.08.2006, p. 3788-3794.

Research output: Contribution to journalArticle

Ramana, C. V. ; Ait-Salah, A. ; Utsunomiya, Satoshi ; Backer, U. ; Mauger, A. ; Gendron, F. ; Julien, C. M. / Structural characteristics of lithium nickel phosphate studied using analytical electron microscopy and raman spectroscopy. In: Chemistry of Materials. 2006 ; Vol. 18, No. 16. pp. 3788-3794.
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AU - Ait-Salah, A.

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AU - Backer, U.

AU - Mauger, A.

AU - Gendron, F.

AU - Julien, C. M.

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