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Research on Chemical Intermediates

, Volume 41, Issue 7, pp 4327–4337 | Cite as

Spectroscopic characterization and conductivity of Sn-substituted LiTi2(PO4)3

  • A. Venkateswara Rao
  • V. Veeraiah
  • A. V. Prasada Rao
  • B. Kishore Babu
  • M. Brahmayya
Article

Abstract

Sn-doped LiTi2(PO4)3 samples of composition Li[Ti2−x Sn x ](PO4)3 (x = 0–0.5) are prepared by solid-state reaction. XRD results are indicative of formation of phase-pure materials of rhombohedral structure with the space group \(R\;\overline{3} \;c\) (167). Study of the microstructure by scanning electron microscopy (SEM) revealed particle size was in the range 0.6–1 μm and that grain size decreased with increasing Sn content. Raman spectra contained peaks at high frequencies ascribed to intramolecular PO4 3– stretching modes. Study of electrochemical impedance up to 573 K revealed high ionic conductivity of 2.02 × 10−4 S/cm at room temperature for x = 0.1.

Keywords

Nasicon materials X-ray diffraction Lithium titanium phosphate Sn doped LiTi2(PO4)3 

Notes

Acknowledgments

Financial support in the form of a UGC SAP meritorious fellowship to one of the authors (A. Venkateswara Rao) during his Ph.D. course is gratefully acknowledged.

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Copyright information

© Springer Science+Business Media Dordrecht 2014

Authors and Affiliations

  • A. Venkateswara Rao
    • 1
  • V. Veeraiah
    • 1
  • A. V. Prasada Rao
    • 2
  • B. Kishore Babu
    • 3
  • M. Brahmayya
    • 3
  1. 1.Department of PhysicsAndhra UniversityVisakhapatnamIndia
  2. 2.Department of Inorganic and Analytical ChemistryAndhra UniversityVisakhapatnamIndia
  3. 3.Department of Engineering ChemistryAndhra UniversityVisakhapatnamIndia

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