Interceram - International Ceramic Review

, Volume 64, Issue 6–7, pp 276–281 | Cite as

Phase Evaluation of Pure Nanocrystalline Barium Stannate by Two Different Milling Activations

  • A. Maity
  • Soumya MukherjeeEmail author
  • M. G. Chaudhuri
  • Siddhartha Mukherjee
High-Performance Ceramics


Pure nanocrystalline BaSnO3 is prepared by two methods: mechanical activation (planetary ball milling) and mechanical hand mixing in agate mortar followed by sintering for both at 1350°C/ 2 h. The phase formations during synthesis are analyzed by x-ray diffraction (XRD) studies and the crystallite size is measured by Scherrer’s formula from the major peaks of the diffractogram. The nanocrystalline barium stannate having single phase simple cubic perovskite structure is synthesized with a crystallite size about 50 nm. Fourier transform infrared spectroscopy (FTIR) is done to determine symmetric and asymmetric stretching of the bonds formed and co-ordination of the ions within crystal structure. FTIR studies justify the phases developed by XRD since the molecular signature and co-ordination of cations are verified. Microstructure and morphology are observed by scanning electron microscopy (SEM), while energy dispersive x-ray analysis (EDX) is done to determine the presence of the required element of composition formation. Ultra violet-visible spectroscopy (UV-VIS) shows absorption spectra of the sample within the UV region, while the band gap is calculated using the Tauc relation. The band gap evaluated for nanocrystalline barium stannate is about 2–2.78 eV for indirect transition, while for direct transition it is about 2.78–3.14 eV. The value is observed to be close to that of semiconductor-based materials.


nanocrystalline barium stannate high energy planetary milling XRD UV-VIS FTIR SEM EDX 


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Copyright information

© Springer Fachmedien Wiesbaden 2015

Authors and Affiliations

  • A. Maity
    • 1
  • Soumya Mukherjee
    • 2
    • 3
    Email author
  • M. G. Chaudhuri
    • 4
  • Siddhartha Mukherjee
    • 2
  1. 1.Heritage Institute of TechnologyKolkataIndia
  2. 2.Depart. of Metallurgical and Material EngineeringJadavpur UniversityKolkataIndia
  3. 3.Depart. of Chemical TechnologyShroff. S.R. Rotary Inst. of Chemical TechnologyAnkleswarIndia
  4. 4.School of Material Science and NanotechnologyJadavpur UniversityKolkataIndia

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