Department of Electronics and Electrical Engineering
Indian Institute of Technology Guwahati
Guwahati-781039, India

EEE Department, IIT Guwahati

Dr. Ravindra Kumar Jha

Ravindra Jha
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Ph.D., IIT Kharagpur
Post-Doc (Indian Institute of Science, Bengaluru)
Designation: Assistant Professor

Dr. Jha joined the institute in October, 2021.

Contact Details
Office Address : Room No. 211, New Extension Block, EEE Department, IIT Guwahati, Guwahati-781039, India.
Phone: +91-361-258-3462 (Office)
Email: jhaiitg.ac.in

Research Areas
  • Humidity and Gas Sensors Development based on various transduction techniques like resistive, capacitive, optical, piezoelectric, FETs, electrochemical etc.
  • Flexible Gas Sensor devices
  • Data Interpretation of Sensors/Sensor Arrays
  • Interface Circuit design and development for in house developed gas sensors
  • Density Functional theory to understand gas molecule-semiconductor interface behaviour
  • Characterization of Semiconductors and Solid State Devices
Selected Publications

Patents

  • Ravindra Kumar Jha.; Debasree Burman; Sumita Santra; Ruma Ghosh; and Prasanta Kumar Guha. Indian Patent Application No-201731010676 “Humidity Sensor Based on Nano-Composite Sensing Layers and Method Of Fabrication Thereof”.
  • Ravindra Kumar Jha, Neha Sakhuja, Ranajit Sai, and Navakanta Bhat. Indian Patent Application No-202041034329. “Sensing behavior of 2D/2D/1D WS2 nanosheets/metal oxide nanorods heterojunctions”.

Journals

  • Aman Nanda; Vivek Singh; Ravindra Kumar Jha.; Jyoti Sinha; Sushobhan Avasthi; and Navakanta Bhat. Growth-Temperature Dependent Unpassivated Oxygen Bonds Determine the Gas Sensing Abilities of Chemical Vapor Deposition-Grown CuO Thin Films, ACS Applied Materials Interfaces, 2021,13, 21936–21943.
  • Jun Lin.; Scott Monaghan.; Neha Sakhuja.; Farzan Gity.; Ravindra Kumar Jha.; Emma Coleman.; James Connolly.; Conor Cullen.; Lee Walsh.; Teresa Mannarino.; Michael Schmidt.; Brendan Sheehan; Georg Duesberg.; Niall McEvoy; Navakanta Bhat.; Paul Hurley.; Ian Povey; Shubhadeep Bhattacharjee. Large-Area Growth of MoS2 at Temperatures Compatible with Integrating Back-End-of-Line Functionality, IOP 2D Materials, 2021, 8, 025008.
  • Ravindra Kumar Jha.; Aman Nanda.; and Navakanta Bhat. Ammonia Sensing Performance of RGO based Chemiresistive Gas Sensor decorated with Exfoliated MoSe2 Nanosheets, IEEE Sensors Journal, 2021, 21, 10211 - 10218.
  • Ravindra Kumar Jha.; Aman Nanda; and Navakanta Bhat. Boron Nanostructures Obtained via Ultrasonic Irradiation for High Performance Chemiresistive Methane Sensors, Nanoscale Advances, 2020,2 ,5, 1837-1842.
  • Neha Sakhuja, Ravindra Kumar Jha.; Rajneesh Chaurasia.; Ambesh Dixit.; and Navakanta Bhat. 1T-Phase Titanium Disulfide Nanosheets for Sensing H2S and O2, ACS Applied Nanomaterials, 2020, 3, 4, 3382– 3394.
  • Ravindra Kumar Jha.; and Navakanta Bhat. Recent Progress in Chemiresistive Gas Sensing Technology Based on Molybdenum and Tungsten Chalcogenide Nanostructures, 2020, Advanced Materials Interfaces, 2020,7,7, 1901992.
  • Ravindra Kumar Jha.; Neha Sakhuja.; Samridhi Jakhar.; and Navakanta Bhat. Hydrogen Sulfide Gas sensing capabilities of liquid processed layered oxide nanosheets, IEEE Transaction on Nanotechnology, 2019, 18, 932 – 939.

Conferance papers

  • Jun Lin.; Scott Monaghan.; Neha Sakhuja.; Farzan Gity.; Ravindra Kumar Jha.; Emma Coleman.; James Connolly.; Conor Cullen.; Lee Walsh.; Teresa Mannarino.; Michael Schmidt.; Brendan Sheehan; Georg Duesberg.; Niall McEvoy; Navakanta Bhat.; Paul Hurley.; Ian Povey; Shubhadeep Bhattacharjee. Chemical Vapor Deposition of MoS2 for Back-End-of-Line Applications, 240th ECS Meeting, October 10-14, 2021.
  • Aashi Gupta.; Neha Sakhuja.; Ravindra Kumar Jha.; and Navakanta Bhat. Giant Humidity Responsiveness of Platinum Functionalized WS2 Nanosheet Based Chemiresistors, IEEE Sensors conference,, pp. 1-4., IEEE Xplore ( Rotterdam, Netherlands ,October 25-28, 2020).
  • Ravindra Kumar Jha.; Neha Sakhuja.; and Navakanta Bhat. 2D Nano Materials for CMOS compatible Gas Sensors, 2019 34th Symposium on Microelectronics Technology and Devices (SBMicro) 2019, pp. 1-3. (Sao Paulo, Brazil, August 26-30, 2019, Oral Talk, Published in IEEE Xplore).
  • Neha Sakhuja.; Ravindra Kumar Jha.; and Navakanta Bhat. ppb-level Ammonia Detection by Exfoliated WS2 based Chemiresistive Sensors for Breath Analysis IEEE Sensors conference 2018, New Delhi, India (Oral presentation, and subsequently published in IEEE Sensors Proceedings pp. 1-4).
  • Neha Sakhuja.; Ravindra Kumar Jha.; Suvra Sant Laha; and Navakanta Bhat. Iron Oxide Anchored Tungsten Diselenide Nanosheets for Ultrasensitive Detection of Ammonia (MRS Fall Meeting December 1-6, 2019, Boston, USA).
  • Neha Sakhuja.; Ravindra Kumar Jha.; and Navakanta Bhat. Liquid Exfoliated MoO3 nanosheets for Ammonia sensing IEEE International Conference on Nanotechnology, Macau, China (Oral presentation), 2019.