stripathi.phy's picture
Dr. Saurabh Tripathi
Assistant Professor
Department of Physics Engineering,IIT (BHU)
Area of Interest: 
Ferroics, Structural Phase Transitions, Doped Quantum Paraelectrics, Morphotropic Phase Boundary Ceramics, Broadly modeling of short, medium and long range ordered structures with real space and reciprocal space data using Pair distribution function and Rietveld analysis, for bulk and nanomaterials.

I am working as Assistant Professor in Department of Physics since October 2015. I work on structure property correlations of ferroic materials, where I look for the ordering from short to long range and explain the physical properties accordingly. Besides this, I am involved in teaching of several courses viz:
1. PHY101          Classical, Quantum & Relativistic Mechanics   
2. EP221            Condensed Matter Physics
3. PHY301          Atomic and Molecular Physics
4. AP4202           Nano Materials
5. AP7111           Advanced Materials Characterization Techniques
6. PHY524          Advanced Condensed Matter Physics and Material Science

Teaching in this semester
PHY 221 Condensed Matter Physics
PHY 524 Advanced Condensed Matter Physics and Material Science

List of Important Publications

  • "Unambiguous evidence of three coexisting ferroelectric phases in a lead-free LixNa1−xNbO3 system", AK Singh, DN Dubey, G Singh, S Tripathi Applied Physics Letters 116 (23), 232902 (2020)
  • "Relaxor ferroelectricity driven by ‘A’and ‘B’site off-centered displacements in cubic phase with Pmm space group" DN Dubey, G Singh, S Tripathi Journal of Physics D: Applied Physics 54 (36), 365304 (2021)
  • "Tuning ferroelectricity by manipulating the global and local structure in a lead-free Sr-doped Ba (Ti1-x Snx) O3 ceramics" AK Singh, DN Dubey, G Singh, S Tripathi EPL (Europhysics Letters) 130 (3), 36002 (2020)
  • "Instability and evolution of the magnetic ground state in metallic perovskites", A Pandey, AK Singh, S Dan, K Ghosh, I Das, S Tripathi, U Kumar, ... Physical Review Materials 4 (8), 084411 (2020)
  • "Relaxor–super-paraelectric behaviour and crystal-field–driven spin-phonon coupling in pyrochlore Eu2Ti2O7", M Alam, A Pal, K Anand, S Ghosh, S Tripathi, RK Singh, AK Ghosh, HD Yang, Sandip Chatterjee, Europhysics Letters 137 (2), 26003 (2021)
  • “Average and local atomic-scale structure in BaZrxTi1-xO3(x=0.10, 0.20, 0.40) ceramics by high-energy X-ray diffraction and Raman spectroscopy”, Vincenzo Buscaglia, Saurabh Tripathi , Valeri Petkov, Monica Dapiaggi, Marco Deluca , Andreja Gajovic, and Yan Ren Journal of Phys Cond Matt:. 26, 065901 (2014).
  • Iso-structural phase transition in YMnO3 nanosized particles'' S. Tripathi, V. Petkov Appl. Phys. Lett. 102, 061909 (2013).
  •  ''Structural coherence and ferroelectric order in nanosized multiferroic YMnO3'' S. Tripathi, V. Petkov, S. M. Selbach, K. Bergum, M.-A. Einarsrud, T. Grande and Y. Ren Phys. Rev. B,  86, 094101 (2012).
  • ''The  effect  of  NaNbO3 substitution  on  the  quantum  paraelectric  behavior  of  CaTiO3'' Saurabh Tripathi, Anil Kumar, Umesh V. Waghmare, and Dhananjai Pandey, Phys. Rev. B,  81, 212101 (2010).
  • ''Morphotropic Phase Boundary like behavior in a  lead-free and non-ferroelectric system (1-x)NaNbO3-xCaTiO system''. Saurabh Tripathi, Sanjay Kumar Mishra, Dhananjai Pandey and P.S.R. Krishna Phys. Rev. B 77,052104 (2008).