Adarsh Nigam, Vishal Sahu, Priyanka, P Krishna Menon, Prem Pal, A method of fabrication of through-holes in a Borofloat glass wafer, Indian Institute of Technology Hyderabad, and Chairman, Defence Research and Development Organization (DRDO), New Delhi, Patent Type (Indian), No. 202411084674, Status: Published.

B. Sahu, R. Sahu, P. K. Patro, K. P. Sahu, A. Das, T. Panda, P. Mishra, A. Nigam and P. Martha "CVE-assisted Co3O4 nanoparticle-coated optical fiber sensor for acetone detection" Scientific Reports, 16, 16378, 2026. Link

N. M. Hegde, P. Martha, and A. Nigam, “Machine Learning Assisted Pb2+ Ions Detection Using AlGaN/GaN HEMT Sensors”, IEEE Sensor Letters, Vol. 10 Issue 2, 2026. Link 

A. K. Goyal, and A. Nigam, “Sensors for Toxic Metal Ions Detection in Aquatic Environment: Current Status and Future Perspectives”, Discover Applied Science, Springer Nature, Vol. 7, No. 1405, 2025. Link 

N. Sharma, A. Nigam, J. Mishra, A. Kumar, S. Mitra, A. Gupta, S. Tripathy and M. Kumar, “CVD-grown SnS2 Active Layers on AlGaN/GaN HEMT for Arsenic (III) Ions Detection,” IOP Nanotechnology, Vol. 36, no 20., 2025. Link 

S. Aravind, A. Nigam, and A. K. Goyal, “Development of Graphite-Based Flexible and Biodegradable Sensor for Tunable Filtration and Human-Machine Interaction,” IEEE Sensors Letters, Vol. 9, no. 5, 2025. Link 

S. Dhall and A. Nigam, “Development of WO3 based gas sensor for low-temperature monitoring of NO,” Microchimica Acta, Vol. 215, 114366, 2025. Link 

N. Sharma, A. Nigam, S. B. Dolmanan, A. Gupta, S. Tripathy, and M. Kumar, “1T and 2H Heterophase MoS2 for Enhanced Sensitivity of GaN transistor-based Mercury ions Sensor,” IOP Nanotechnology, Vol. 33, no. 26, 2022. Link 

A. Nigam, N. Sharma, S. Tripathy and M. Kumar, “Development of Semiconductor Based Heavy Metal Ion Sensors for Water Analysis: A Review,” Sensors and Actuators A: Physical Vol. 330, no. 112879, 2021. Link 

N. Sharma*, A. Nigam*, D. Lobanov, A. Gupta, N. Alexey, and M. Kumar, “Mercury (II) Ion Detection using AgNWs-MoS2 Nanocomposite on GaN HEMT for IoT Enabled Smart Water Quality Analysis,” IEEE Internet of Things Journal, Vol. 9, no. 16, pp. 14317-14324, 2021. (* equal contributions). Link 

A. Nigam, N. Sharma, D. Lobanov, N. Alexey, and M. Kumar, “Ultra-Sensitive Detection of Mercury ions under UV illumination of MoS2 functionalized AlGaN/GaN Transistor,” IEEE Transactions on Electron Devices, Vol. 67, no. 12, pp. 5693-5700, 2020. Link 

A. Nigam, N. Goel, T. N. Bhat, M. T. Rahman, S. B. Dolmanan, Q. Qiao, S. Tripathy, and M. Kumar, “Real-time detection of Hg2+ ions using MoS2 functionalized AlGaN/GaN high electron mobility transistor for water quality monitoring,” Sensors and Actuators B: Chemical, Vol. 309, no. 127832, 2020. Link 

V. S. Bhati, A. Nathani, A. Nigam, C. S. Sharma, and M. Kumar, “PAN/(PAN-b-PMMA) derived nanoporous carbon nanofibers loaded on ZnO nanostructures for hydrogen detection,” Sensors and Actuators B: Chemical, Vol. 299, no. 126980, 2019. Link 

A. Nigam, V. S. Bhati, T. N. Bhat, S. B. Dolmanan, S. Tripathy, and M. Kumar, “Sensitive and Selective Detection of Pb2+ ions using 2,5-Dimercapto-1,3,4-Thiadiazole Functionalized AlGaN/GaN High Electron Mobility Transistor,” IEEE Electron Device Letters, Vol. 40, no. 12, pp. 1976 – 1979, 2019. Link 

A. Nigam, T. N. Bhat, V. S. Bhati, S. B. Dolmanan, S. Tripathy, and M. Kumar, “MPA-GSH functionalized AlGaN/ GaN High Electron Mobility Transistor-based sensor for Cadmium ion detection,” IEEE Sensors Journal, Vol. 19, no.8, pp. 2863-2870, 2019. Link 

 A. Nigam, T. N. Bhat, S. Rajamani, S. B. Dolmanan, S. Tripathy, and M. Kumar,“Effect of self-heating on electrical characteristics of AlGaN/ GaN HEMT on Si (111) substrate,” AIP Advances, Vol. 7, no. 8, p. 085015, 2017. Link 

S. Jha, A. K. Goyal, N. Sharma, A. Nigam "Machine Learning Assisted MoS2-Functionalized HEMT for UV-Enhanced Ultra-Sensitive Hg2+ Detection" International Conference on Advanced Functional Materials and Devices 2026 (AFMD-2026), SRMIST Chennai, Mar. 19-24, 2026.

N. M. Hegde, P. Martha, A. Nigam, "Machine Learning Assisted Pb2+ Ions Detection Using AlGaN/GaN Sensors," IEEE Applied Sensing Confernece, New Delhi, India, Feb. 23-25, 2026.

A. Nigam, S. Veerla, and P. Pal, “Deep Grooves in Borofloat Glass by Wet Bulk Micromachining,” Springer International Publishing, pp. 290-295. 6th International Conference on Microactuators, Microsensors and Micromechanisms (MAMM) 2022, IIT Hyderabad, Dec 3-5, 2022. Link 

A. Nigam, V. Sahu, Priyanka, P. K. Menon, and P. Pal, “Study of Masking Layer Behavior Towards Bulk Micromachining of Borofloat Glass,” Materials Today Proceedings,  Vol. 92 (2), 2023, pp. 823-828. 2nd International Conference on Multifunctional Materials (ICMM) 2022, Hyderabad, Dec 22-24, 2022. Link

 A. Nigam, and M. Kumar, “Detection of cadmium ions by g-C3N4 functionalization on AlGaN/ GaN high electron mobility transistor,” AIP Conference Proceedings, Vol. 2265, p. 030216, 2020, 64th DAE-SSPS, IIT Jodhpur, December 18-22, 2019. Link 

A. Nigam, and M. Kumar, “Ultra-low-level detection of Hg2+ ions using MoS2 functionalized AlGaN/GaN HEMT,” Symposium on 2D Materials and Devices 2019, IIT Jodhpur, Sept 27-28, 2019.

A. Nigam, and M. Kumar, “Detection of heavy metal ions using AlGaN/GaN high electron mobility transistors,”10th International Conference on Materials for Advanced Technologies (ICMAT 2019), Marina Bay Sands, Singapore, Jun 23-28, 2019.

A. Nigam and M. Kumar “Device modelling and simulation of AlGaN/GaN high electron mobility transistor on Si substrate,” IUMRS-ICYRAM 2016, IISc Bangalore December 11-15, 2016.   

A. Nigam, S. Rajamani, and M. Kumar, “Design of AlGaN/GaN high electron mobility transistor on Si substrate,” CEMAT 2016, IISc Bangalore, July 18-19, 2016.   

A. Nigam, and P. Jain, “Design and verification of I2C bus controller using SystemVerilog,” RAMCTM, IEEE, 2013.