Rajshree Rajkumari

Designation: 

Assistant Professor

Date of Joining at NITK: 

Thursday, December 26, 2024

Professional Experience: 

  • Served as Assistant Professor (Contract) in the Dept. of ECE, IIIT Manipur from 13th December, 2022 to 16 th December, 2024
  • Worked as Research Fellow from May 1, 2022 to November 30, 2022 in the Dept. of Materials Science and Engineering, Kyushu University, Japan-819 0395.
  • Served as Teaching Assistant from September 2016 to November 2020 in the Department of Electronics & Communication Engineering, National Institute of Technology Nagaland, Dimapur-797103, Nagaland.
Contact Details

E-mail: 

rajshree@nitk.edu.ac.in
Academic Background
  • B.E Manipur University 2007-2011 Electronics & Communication Engineering
  • M.Tech Assam Don Bosco University 2012-2014 Electronics & Communication Engineering
  • Ph.D. National Institute of Technology, Nagaland, 2016- 2021 Title: Studies on GLAD synthesized WO3 nanowires and silver nanoparticle decorated WO3 nanowires based photodetector and non-volatile memory
Areas of Interest

Optoelectronics and Memory devices, Fabrication of nanostructures based photodetector, Solar cells and Non volatile Memory applications.

Significant Publications
  1. Rajkumari, R., Alam, M. W., Souayeh, B., & Singh, N. K. (2024). Improvement of capacitive and resistive memory in WO3 thin film with annealing. Journal of Materials Science, 59(8), 3270-3283.
  2. Rajkumari, R., Sadaf, S., Alam, M. W., & Singh, N. K. (2024). Self-Powered Photodetector with High Sensitivity Based on a CeO2/TiO2 Thin Film. ACS Applied Electronic Materials, 6(5), 3532-3538.
  3. Lynrah, S. A., Chinnamuthu, P., Rajkumari, R., Lim, Y. Y., Walling, L., & Vigneash, L.(2024). Surface functionalization of MnO2 NW embellished with metal nanoparticles for self-cleaning applications. Applied Nanoscience, 14(3), 519-529.
  4. Rajkumari, R. Ngangbam C, and Singh, N.K., High Detectivity Photodetector Based on WO3 Nanowires by the Surface Plasmonic Effect of Ag Nanoparticles, IEEE Electron Device Letters, Vol. 43, No. 3, pp. 470., January, 2022. 
  5. C. Ngangbam, Rajkumari, R. L. Thoibileima, M. W. Alam and Singh, N.K., "High Responsivity of GLAD Synthesized Isotype WO3/In2O3 Nanocluster," in IEEE Photonics Technology Letters, Vol. 33, No. 17, pp. 943-946., September, 2021.
  6. N.M. Devi, S.A. Lynrah, Rajkumari, R. and Singh, N.K., Effect of Ag decoration on the Photodetection of Catalyst-Free Synthesized Vertically Oriented SiOx NW arrays, Sensors and Actuators A: Physical, Vol. 327, pp. 112744., August, 2021.
  7. Rajkumari, R., Ngangbam, C. and Singh, N.K., Presence of capacitive memory in GLAD- synthesized WO3 nanowire, Journal of Materials Science: Materials in Electronics, Vol. 32, No. 3,pp.3191-3200., January, 2021.
  8. Rajkumari, R. and Singh, N.K., Ag Nanoparticle-Decorated WO3 Nanowires for Nonvolatile Memory, ACS Applied Nano Materials, Vol. 3, No. 12, pp. 12087-12094, December, 2020.
  9. S. Meitei, Rajkumari, R. and Singh, N.K., Post deposition annealing effect on the electrical properties of β-Ga2O3 Nanowire, Journal of Materials Science: Materials in Electronics, Vol. 31, No. 22, pp. 20378-20386, September, 2020.
  10. Rajkumari, R. and Singh, N.K., Effect of Annealing on Morphology and Photoluminescence of WO3 Nanowires Deposited by Glancing Angle Deposition Techniques, Journal of Nanoscienceand Nanotechnology, Vol. 20, No. 5, pp. 3274-3282., May, 2020.
  11. Rajkumari, R. and Singh, N.K., Effect of annealing on the structural and electrical properties of GLAD synthesized vertical aligned WO3 nanowire, IEEE Transactions on Nanotechnology, Vol.18, pp. 676-683, July, 2019.
  12. Rajkumari, R. and Singh, N.K., Influence of annealing on the optoelectronic properties of the GLAD synthesized SiOx–ZnO heterostructure nanoclusters, Applied Physics A, Vol. 124, No. 3, pp.1-8., February, 2018.
Book Chapter
1. Singh, N. K., & Rajkumari, R. (2019). Effect of annealing on metal-oxide nanocluster. In Concepts of Semiconductor Photocatalysis. IntechOpen.
 
Conference:
  1. R. Rajkumari, and N.K. Singh, “Electron Beam Evaporated WO3 Thin Film as UV-A Photodetector” International Conference on Nano Technology for better living (ICNBL-2021)” held from 7th to 11th September 2021 at National Institute of Technology, Srinagar, India (Best oral presentation awarded).
  2. Lusato Mashaka Majula, Matsuo Seiya, R. Rajkumari, Yoshimine Kato, “Fabrication of pn-junction by doping into a nano-crystalline Si paste made from poly-Si raw material” 33rd International Photovoltaic Science and Engineering Conference (PVSEC-33) from 3 to 17 November 2022, Nagoya Japan.
 

Contact us

Prof. N. Shekar V. Shet, Professor and Head, 
Department of ECE, NITK, Surathkal, 
P. O. Srinivasnagar,
Mangalore - 575 025 Karnataka, India.

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