Publications

Patents:

• 1. Khee Yong Lim, Elgin Quek, Sandipta Roy, Diode devices and methods of forming diode devices, Patent No. US 11,522,097 B2, Granted, 2022.

  2. Sandipta Roy, Khee Yong Lim, Lanxiang Wang, Kiok Boon Elgin Quek, Jing Hua Michelle Tang, Diode Diode Devices and Methods of Forming a Diode Device, Patent No: US 11,316,063 B2, Granted, 2022. 

  3. Sandipta Roy, Siddhartha P Duttagupta, D Ramakrishnan; “GAS DETECTION DEVICE AND METHOD OF DETECTING GAS THEREOF ”, Indian Patent, 379347 Granted, 2021.

  4. Sandipta Roy, Khee Yong Lim, Elgin Quek, Optoelectronic Devices Having An Electrode With Apertures, Application no: US16/852,551, US Patent, 2020. 

Book Chapter:

• 1. SP Duttagupta, P Ramesh, Sandipta Roy, RA Shukla, SG Kulkarni, GJ Phatak; Thermal Sensors for Energy Converter Applications; Springer (2015). doi

Journals:

• 1. Uzma Bano Memon, A. Ibrahim, S. Roy, S. P. Duttaguptta, and S. Kale. "ZnO Nanoneedle Based Efficient UV-Photodetector." Indian Journal of Pure & Applied Physics 60, 1 (2022): 72-77. IF: 0.923, link

  2. J. Xue et al., "Low-Voltage, High-Brightness Silicon Micro-LEDs for CMOS Photonics," IEEE Transactions on Electron Devices, 68, 8, 3870-3875, (2021). IF 2.917 doi

  3. Deepak Bhatia, Sandipta Roy, S. Nawaz, R.S. Meena, V.R. Palkar, “Electrostatic force microscopy analysis of Bi0.7Dy0.3FeO3 thin films prepared by pulsed laser deposition integrated with ZnO films for microelectromechanical systems and memory applications”, 4 (2), 77-85, (2018). doi 

  4. Arnab Pattanayak, Sandipta Roy, Goutam Rana, Siddhartha Duttagupta, Venu Gopal Achanta, and S. Prabhu, “Study of THz-Plasmon hybridization of a loop Yagi-Uda absorber", Scientific reports, 7(1), 16961 (2017). doi

  5. Sandipta Roy, “Circular Nanocavity in Ultrathin c-Si Solar Cell for Efficient Light Absorption”, Plasmonics, 13(5), 1499–1504, (2017). doi.

  6. Sandipta Roy, A. Pattanayak, Siddhartha P Duttagupta, “Simulation study of amorphous Si solar cell with conducting anti-reflection coating and plasmonic nanostructured back reflector”, JART, 16, 95-102 , ISSN 2448-6736, (2018) doi.  

  7. S Nawaz, S Roy, AA Tulapurkar, VR Palkar, “Characterization of Au/PbTi0. 5Fe0. 5O3/Si structure for possible multiferroic based non-volatile memory applications”, Journal of Applied Physics, 121(11), 114105 (2017)doi.

  8. Sandipta Roy, S. P. Duttagupta, D. Ramakrishnan, “A Novel, Compact Optical Device for Estimating the Methane Emissions in Geological Environment”.arXiv.

  9. Deepak Bhatia, Sandipta Roy; S. Nawaj; R Maheshwari; R S Meena; V. R Palkar “Observation of Temperature effect on Electrical properties of Novel Au/Bi0.7Dy0.3FeO3/ZnO/p-Si thin film MIS Capacitor for MEMS applications”. doi.

  10. Deepak Bhatia, Sandipta Roy, S. Nawaz, R S Meena, V. R Palkar; Room Temperature Electrical properties of Bi0.7Dy0.3FeO3 thin films deposited by PLD on ZnO films for potential applications, Microelectron Eng. 163, 60-66 (2016). doi

  11. S Roy, K Midya, SP Duttagupta, D Ramakrishnan; Nano-scale NiSi and n-type silicon based Schottky barrier diode as a near infra-red detector for room temperature operation; Journal of Applied Physics 116, 124507 (2014).doi

  12. Souvik Kundu, Sandipta Roy, P. Banerji, S. Chakraborty; T. Shripathi "Studies on Al/ZrO2/GaAs Metal-oxide-semiconductor capacitors and determination of its electrical and dielectric properties in the frequency range 10 kHz to 1 MHz", J. Vac. Sci. Technol. B 29, 031203 (2011). doi

Conferences:

• 1. J. Xue et al., "Low Voltage, High Brightness CMOS LEDs," 2020 IEEE International Electron Devices Meeting (IEDM), 2020, pp. 33.5.1-33.5.4, doi.  

  2. Arnab Pattanayak, Ravi Kumar Jain, Dipa Ghindani, Goutam Rana, Sandipta Roy, Siddhartha P Duttagupta, Prasanna S Gandhi, Venu Gopal Achanta, SS Prabhu, Topologically Protected Tera-Hertz Loop Yagi-Uda Absorber, 2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves, 1- 6 Sep, 2019, Paris, France. doi

  3. Bablu Mukherjee, Sandipta Roy, Ergun Simsek, Sayantan Ghosh, Venu G Achanta, Saurabh Lodha; Plasmonic Enhancement in Anisotropic Thin Films of Rhenium Disulphide (ReS2); 2018 IEEE Photonics Conference (IPC), 2018, Reston, VA, USA . doi

  4. Sandeep G. Surya , Sandipta Roy, BS Pavan Ganne,  Dhamini Pasam , A. B. Sastry, B. L. V. Prasad, “OFET based H2S gas sensing among reducing and mining gases using green synthesized SnO2”, IEEE ICEE 2016, Dec 27-30, 2016, Mumbai. doi

  5. Sandipta Roy, Siddhartha P Duttagupta, D Ramakrishnan; (2015, June) Effect of interface trap states on optical barrier height of NiSi/Si infrared detector, ICMAT-2015 & IUMRS-2015 organized by materials research society Singapore, 27th June-4th July 2015 Singapore.doi

  6. A Ibrahim, U. B. Memon, Sandipta Roy, S.P. Duttagupta, A. L. Sharma; (2015, September) Fabrication and characterization of CdS/CdTe Hetro junction thin film solar cell; Michel Faradey IET International summit (MFIIS), 12-13 Sept. 2015, Kolkata, India.Link

  7. UB Memon, A Ibrahim, SP Duttagupta, Sandipta Roy; Nano-structured ZnO/ITO based SO2 detector in room temperature operation; 2nd International Symposium on Physics and Technology of Sensors (ISPTS), Pune 7-10 March 2015 . doi

  8. Sandipta Roy, Tarkeshwar Chandrakant Patil, Siddhartha Prakash Duttagupta, Desikan Ramakrishnan; CO2 detection using Al/Si Schottky diode by IR spectroscopic technique; CIEC, 31 Jan.-2 Feb. 2014, Calcutta, India .doi

  9. Sandipta Roy, Souvik Kundu, P. Banerji; (2011, December) “Fabrication & characterization of GaAs based metal-oxide-semiconductor device using PZT as high-k dielectric gate material”, ICPAT-2011 conference organized by Indian Institute of Technology Kharagpur, Kharagpur, India.