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Dr. Saurabh Tripathi

Assistant Professor
Department of Physics Engineering,IIT (BHU)
Phone No(s): 8052323951
Email: stripathi.phy@iitbhu.ac.in
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.
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1.  https://journals.aps.org/prb/accepted/be075O7cJ6a14b3a972270a64065b4a940e9cf09c 

Unexplored Signatures of magnetoelastic and Isosymmetric metal-insulator phase transition in a Rare-earth Nickelate via mode crystallography, 

Harsh Kumar, Anar Singh, Jose Luis Martinez, Jose Antonio Alonso, and Saurabh Tripathi, Phys. Rev. B ,004100 (2022).

2. Stabilizing ferroelectricity in alkaline-earth-metal-based perovskites (ABO3) via A- (Ca2+/Sr2+/Ba2+) and B-site (Ti4+) cationic radius ratio (RA/RB)

Anuvrat Tripathi, Digvijay Nath Dubey, Harsh Kumar and Saurabh Tripathi, J. Appl. Crystallogr. 55(2022).

3. Role of phonon Γ4- mode in the enhancement of ferroelectric polarization in a perovskite-based eco-friendly functional material, 

Digvijay Nath Dubey, Gurvinderjit Singh, Akhilesh Kumar Singh and Saurabh Tripathi, Europhys. Lett. 140, 26003 (2022).

4. Relaxor ferroelectricity driven by ‘A’ and ‘B’ site off-centered displacements in cubic phase with Pm-3 m space group

Digvijay Nath Dubey, Gurvinderjit Singh, and Saurabh Tripathi, J. Phys. D: Appl. Phys. 54, 365304 (2021).

5. Unambiguous evidence of three coexisting ferroelectric phases in a lead-free LixNa1−xNbO3 system

Abhinav Kumar Singh, Digvijay Nath Dubey, Gurvinderjit Singh, and Saurabh Tripathi, Appl. Phys. Lett. 116, 232902 (2020).

6. Tuning ferroelectricity by manipulating the global and local structure in a lead-free Sr-doped Ba(Ti1-xSnx)O3 ceramics

Abhinav Kumar Singh, Digvijay Nath Dubey, Gurvinderjit Singh and Saurabh Tripathi, Europhys. Lett. 130, 36002 (2020).

7.Instability and evolution of the magnetic ground state in metallic perovskites GdRh3C1−xBx, 

Abhishek Pandey, A. K. Singh, Shovan Dan, K. Ghosh, I. Das, S. Tripathi, U. Kumar, R. Ranganathan, D. C. Johnston, and Chandan Mazumdar, Phys. Rev. Materials 4, 084411 (2020).

8. 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).

9. 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 Gajović and Yang Ren, J. Phys.: Condens. Matter 26 065901 (2014).

 

DST-SERB sponsored project "Tailoring properties by altering long and short-range structures in eco-friendly, Pb-free ferroelectric perovskite oxides for energy harvesting".