Dr. Sanjeev Kumar has received the India 2020 Top Cited Paper Award

Dr. Sanjeev Kumar, Applied Science Department has received the INDIA 2020 TOP CITED PAPER AWARD for article “Sr and Mn co-doped sol-gel derived BiFeO3 ceramics with enhanced magnetism and reduced leakage current” Nandni Sharma et al 2017 Mater. Res. Express 4 015702. The Top Cited Paper Award is for corresponding authors from India, for work published across the entire IOP Publishing portfolio in the past three years (2017 to 2019), using citations recorded in Web of Science. The papers are in the top one per cent of the most-cited articles in each subject category along with the most-cited review article published in the last three years.

In this article, Sanjeev Kumar and his co-authors reported the effect of Sr and Mn doping on the electrical and magnetic characteristics of BiFeO3 nanoparticles, synthesized by sol-gel technique. They observed that Sr doping in BiFeO3 showed substantial reduction in the leakage current whilst co-doping with Sr and Mn led to lower reduction in the leakage current through offering better performance over undoped BiFeO3, due to changes brought in the defect physics upon doping. Additionally, Sr and Mn co-doped BiFeO3 samples exhibit enhanced magnetization in comparison to undoped and Sr doped BiFeO3, possibly due to interruptions in the spin cycloid of BiFeO3.

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