Applied Physics A

, 125:188 | Cite as

A single step unique microstructural growth of porous colossal dielectric constant titanium oxide

  • Sunil Meti
  • Sagar Prutvi Hosangadi
  • M. R. Rahman
  • Udaya K. BhatEmail author


New microstructure of TiO2 grown in hydrothermal process is reported on. The influence of hydrothermal process parameters, such as heating temperature, on growth dynamics is also reported. The improvement in surface area and crystallinity are reached by the hydrothermal process, as compared to other growth techniques. The synthesized TiO2 is characterized by XRD technique and subjected to Rietveld analysis. The results indicate that the obtained TiO2 is of tetragonal structure. The results of other characterization techniques such as micrography, Raman spectroscopy and TGA are also reported. The obtained TiO2 is tested for its electrical properties and it shows good dielectric strength in the flat band region from 40 Hz to 1 MHz.



Mr Sunil Meti is thankful to NITK, Surathkal, India and MHRD India for supporting the research in form of the Institute Research Fellowship. The Authors would like to acknowledge the Central Surface Analytical Facility of IIT Bombay for XPS studies. Authors also extend regards to Ms Rashmi for her assistance in SEM characterization.


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Sunil Meti
    • 1
  • Sagar Prutvi Hosangadi
    • 2
  • M. R. Rahman
    • 1
  • Udaya K. Bhat
    • 1
    Email author
  1. 1.Department of Metallurgical and Materials EngineeringNational Institute of Technology KarnatakaSurathkalIndia
  2. 2.Department of Metallurgical Engineering and Material ScienceIndian Institute of Technology BombayPowaiIndia

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