Browsing Department of Physics by Author "Upadhyay, Shail"

Browsing Department of Physics by Author "Upadhyay, Shail"

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  • High temperature impedance spectroscopy of barium stannate, BaSnO3 
    Upadhyay, Shail (Indian Academy of Sciences, 2012-07-14)
    Polycrystalline powder of BaSnO3 was prepared at 1300 °C using a high-temperature solid-state reaction technique. X-ray diffraction analysis indicated the formation of a single-phase cubic structure with lattice parameter: ...
  • Structural and optical characterizations of BaSnO3 nanopowder synthesized by aqueous sol-gel method 
    Kumar, Upendra; Jawed Ansaree, Md.; Upadhyay, Shail (University of Novi Sad, Faculty of Technology, 2017-08-10)
    Precursor gel for preparation of nanocrystalline BaSnO3 powder was synthesised by aqueous sol-gel method using Ba(OH)2 · 8 H2O and Na2 SnO3 · 3 H2O as raw materials. Thermogravimetric and differential scanning calorimetric ...
  • Study of phase evolution and dielectric properties of Sr2Mn0.7Sn0.3O4 
    Nirala, Gurudeo; Upadhyay, Shail (University of Novi Sad, Faculty of Technology, 2023-06-15)
    Ruddlesden-Popper oxide Sr2Mn0.7Sn0.3O4 was synthesized by solid state method by calcining at different temperatures between 1200 and 1500 °C. The phase evolution during thermal treatments was investigated and it was shown ...
  • Study of structural, electrical, and photoluminescent properties of SrCeO3 and Sr2CeO4 
    Yadav, Dharmendra; Kumar, Upendra; Upadhyay, Shail (Tsinghua University Press, 2019-02-09)
    Phase pure powders of SrCeO3 and Sr2CeO4 have been synthesized by calcination at 1000 °C for 14 h via solid state ceramic route. Ceramics/pellets of these samples have been obtained by sintering at 1200 ℃ for 12 h. The ...
  • Thermal analysis of formation of nano-crystalline BaTiO3 using Ba(NO3 ) 2 and TiO2 
    Ansaree, Md. Jawed; Upadhyay, Shail (University of Novi Sad, Faculty of Technology, 2015-11-29)
    The reaction of Ba(NO3)2 with TiO2 was studied by thermogravimetric (TG) and differential scanning calorimetric (DSC) techniques up to 1000 °C and in nitrogen atmosphere. It was found that the formation of BaTiO3 takes ...

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