Dr. Amritendu Roy
Department : Minerals, Metallurgical and Materials Engineering
Professional Summary
Asstt. Professor, IIT Bhubaneswar, Feb. 2014-Present
Asstt. Professor, Thapar University, Patiala, Aug-Dec, 2013
Post Doctoral Associate, Virginia Tech., Blacksburg, Feb-June, 2013
Senior Project Associate, IIT Kanpur, Aug 2012- Jan 2013
Graduate Engineer Trainee, Essar Steel Ltd., Hazira, June 2003-Dec. 2004
Publications
1Origin of ferroelectricity in orthorhombic LuFeO3, Ujjal Chowdhury, Sudipta Goswami, Amritendu Roy, Shailendra Rajput, A. K. Mall, R. Gupta, S. D. Kaushik, V. Siruguri, S. Saravanakumar, S. Israel, R. Saravanan, A. Senyshyn, T. Chatterji, J. F. Scott, Ashish Garg, and Dipten Bhattacharya, Phys. Rev. B, 100, 195116, 2019
2Microstructure, indentation and first principles study of AlCuFeMn alloy, Amritendu Roy, M Ghosh, H Gourkar, P S De, Materialia 5, 100206, 2019
3Truncated hexagonal bi-pyramidal gallium ferrite nanocrystals: integration of structural details with visible-light photo-activity and self-cleaning properties, Monali Mishra, Indrani Thakur, Ashish Kumar Mall, Arijit Mitra, Sukalyan Dash, Sriparna Chatterjee, Somdutta Mukherjee and Amritendu Roy, Journal of Materials Chemistry A, (Accepted) DOI: 10.1039/C8TA02749H, 2018
4Nd and Ru co-doped bismuth titanate polycrystalline thin films with improved ferroelectric properties, Kishor Kumar Sahoo, Shailendra Singh Rajput, Rajeev Gupta, Amritendu Roy, Ashish Garg, Journal of Physics D: Applied Physics, 51 (5), 055301, 2018
5Electrical and mechanical behavior of PMN-PT/CNT based polymer composite film for energy harvesting, Satyabati
Das, Asutya Kumar Biswal, Kalpana Parida, R.N.P. Choudhary, Amritendu Roy, Applied Surface Science 428C (2018) pp. 356-363
6Identification of phase in-homogeneities in Na-SrSiO3 electrolytes for low temperature SOFCs, A. Pandey, U. K. Chanda, L. Besra, K. K. Sahu, A. Roy, S. Pati, J Electroceram, 40 (10, 50-56, 2018 (DOI: 10.1007/s10832-017-0097-7)
7Room temperature multiferroism in polycrystalline thin films of gallium ferrite, Monali Mishra, Amritendu Roy, Ashish Garg, Rajeev Gupta, Somdutta Mukherjee, Journal of Alloys and Compounds, 721 (2017) 593-599
8Effect of isovalent non-magnetic Fe-site doping on the electronic structure and spontaneous polarization of BiFeO3, Poorva Singh, Amritendu Roy, Ashish Garg, Rajendra Prasad, J. Appl. Phys. 117, 184104 (2015)
9Optical Anisotropy in Bismuth Titanate: An Experimental and Theoretical Study Amritendu Roy, Rajendra Prasad, Sushil Auluck and Ashish Garg J. Appl. Phys. 115, 133509, 2014
10Room Temperature Nanoscale Ferroelectricity in Magnetoelectric GaFeO3 Epitaxial Thin Films Somdutta Mukherjee, Amritendu Roy, Rajeev Gupta, Rajendra Prasad, Sushil Auluck and Ashish Garg, Phys. Rev. Lett. 111, 087601, 2013
11Engineering Polarization Rotation in Ferroelectric Bismuth Titanate Amritendu Roy, Rajendra Prasad, Sushil Auluck and Ashish Garg, Appl. Phys. Lett., 102, 182901, 2013.
12Structure and Properties of Magnetoelectric Gallium Ferrite: A Brief Review Amritendu Roy, Somdutta Mukherjee, Rajeev Gupta, Rajendra Prasad, and Ashish Garg (In press, Ferroelectrics, 2013)
13Effect of Site-disorder, Off-stoichiometry and Epitaxial Strain on the Optical Properties of Magnetoelectric Gallium Ferrite Amritendu Roy, Somdutta Mukherjee, Surajit Sarkar, Sushil Auluck, Rajendra Prasad, Rajeev Gupta and Ashish Garg, J. Phys. Condens. Matter, 24, 435501, 2012
14Effect of site disorder on Magnetism and Magneto-structural Coupling in Gallium Ferrite: A First-Principles Study Amritendu Roy, Rajendra Prasad, Sushil Auluck and Ashish Garg, J. Appl. Phys. 111, 043915, 2012.
15Multiferroic Memories, Amritendu Roy, Rajeev Gupta and Ashish Garg, Adv. Condens. Matter Phys., 2012, 926290, 2012
16Electronic Structures, Born Effective Charges and Spontaneous Polarization in Multiferroic Gallium Ferrite Amritendu Roy, Somdutta Mukherjee, Rajeev Gupta, Sushil Auluck, Rajendra Prasad and Ashish Garg, J.Phys.: Condens. Matter 23, 325902, 2011
17First-Principles Calculations of Born Effective Charges and Spontaneous Polarization of Ferroelectric Bismuth Titanate Amritendu Roy, Rajendra Prasad, Sushil Auluck and Ashish Garg, J. Phys.: Condens. Matter 22, 165902, 2010.
18Feasibility and Kinetics of Nitriding of Pure Titanium and Ti-6Al-4V in the Molten Salt Bath of Potassium Nitrate Amritendu Roy, K. Shivakumar, A. Raghunath, R.C. Sharma, R. Shekhar, Surface Engineering, 28(6), 458, 2012.
19Quench Hardening of 0.4%C Steel by Using Aqueous Electrolyte Plasma as Heat Source, A. Roy, S.J. Parihar, R.C. Sharma, R. Shekhar, Surface Enginnering, 25 (6), 423, 2009
20Aqueous Electrolyte Plasma Nitriding: A Feasibility Study, A. Roy, R. K. Tewari, R.C. Sharma, R. Shekhar, Surface Engineering, 23 (4), 243, 2007.
1A First-Principles Study of Structure-Property Correlation and the Origin of Ferrimagnetism in Gallium Ferrite Amritendu Roy, Ashish Garg, Rajendra Prasad, Sushil Auluck, CET 2012, Oct. 26-28, 2012, Beijing, China
2Multiferroic SrTiO3/ BiFeO3 Super-lattice: A First-principles Study, Amritendu Roy, Ashish Garg, Rajendra Prasad, Sushil Auluck, Nanotech Conference and Expo 2011 June 13-16, Boston, MA, USA
1Flexible nano-GFO/PVDF piezoelectric-polymer nano-composite films for mechanical energy harvesting; Monali Mishra, Amritendu Roy, Sukalyan Dash and Somdutta Mukherjee, IOP Conf. Series: Materials Science and Engineering 338 (2018) 012026
2Fabrication of flexible piezoelectric PMN-PT based composite films for energy harvesting, Satyabati Das, Asutya Kumar Biswal, Amritendu Roy, IOP Conference Series: Materials Science and Engineering, 178(1), 012020, 2017
3Designing and synthesis of a polymer matrix piezoelectric composite for energy harvesting, Asutya Kumar Biswal, Satyabati Das, Amritendu Roy, IOP Conference Series: Materials Science and Engineering, 178 (1), 012002, 2017