PATENTS
[1] “A process for fabricating an undoped transition metal oxide (TMO) based p-n homojunction diode with high rectification efficiency”, Inventors: Partha Bhattacharyya and Arnab Hazra, Patent Number: LP 341257 (581/KOL/2015), Granted on 13/07/2020
[2] “A Process for Forming a TiO2 Nanotube based Room Temperature (27°C) Alcohol Sensor Device” , Partha Bhattacharyya and Arnab Hazra, [Indian patent], File No. 1285/KOL/2014, Filing date: 11.12.2014 (First examination report received)
[3] “A Process for Forming an Undoped p-type TiO2 based Sensor Device for Accurate Sensing of Low ppm Ethanol at Low Temperature”, Partha Bhattacharyya and Arnab Hazra, [Indian patent], File No. 1286/KOL/2014, Filing date: 11.12.2014 (First examination report received)
EDITED BOOK
[1] Book title: “Carbon Nanomaterial Electronics: Devices and Applications” edited by A. Hazra and R. Goswami, Springer Nature, ISBN: 978-981-16-1051-6.
BOOK CHAPTERS
[1] P. Bhattacheryya, B. Bhowmik, A. Hazra, P.P. Chattopadhyay, Potentiality of semiconducting metal oxide nanoforms as solid state vapor sensors, ‘Sensor technology: current status future trends’, Edited by Alex Mason, Springer, UK (ISBN 978-3-319-12897-9), 2015
[2] A. Hazra, N. Samane, S. Basu, A Review on Metal Oxide-Graphene Derivative Nano-Composite Thin Film Gas Sensors, Book title "Multilayer Thin Films - Versatile Applications for Materials Engineering, ISBN: 978-1-78985-438-1, Edited by Sukumar Basu, IntechOpen, 2019 DOI: 10.5772/intechopen.90622
PEER REVIEWED ARCHIVAL JOURNAL PAPERS
2020 - 2021
[1] T. Gakhar, A. Hazra*, “p-TiO2/GO heterojunction based VOC sensors: A new approach to amplify sensitivity in FET structure at optimized gate voltage”, Measurement, Vol. 182, p-109721, 2021
[2] P. Bindra, A. Hazra, “Electroless deposition of Pd/Pt nanoparticles on electrochemically grown TiO2 nanotubes for ppb level sensing of ethanol at room temperature”, Analyst, Vol. 146(6), pp.1880-1891, 2021
[3] V. Selamneni, H. Raghavan, A. Hazra, P. Sahatiya, MoS2/Paper Decorated with Metal Nanoparticles (Au, Pt, and Pd) Based Plasmonic‐Enhanced Broadband (Visible‐NIR) Flexible Photodetectors, Advanced Materials Interfaces, 8(6), 202001988, 2021
2019 - 2020
[4] A Hazra, A Tripathi, A Jan, S Kundu, PK Boppidi, “Multiple Nano-filaments based Efficient Resistive Switching in TiO2 Nanotubes Array Influenced by Thermally Induced Self-doping and Anatase to Rutile Phase Transformation”, Nanotechnology, Vol. 32, pp. 115201(1-11), 2021
[5] A. Hazra, “Appropriate gate electrostatic for highest gas sensitivity in reduced graphene oxide FET” IEEE Transactions on Electron Devices, Vol. 67(11),pp.-5111-5118, 2020
[6] R. Bhardwaj, V. Selamneni, U.N. Thakur, P. Sahatiya, A. Hazra, Detection and discrimination of volatile organic compounds by noble metals nanoparticle functionalized MoS2 coated biodegradable paper sensors, New Journal of Chemistry, Vol. 44, p.- 16613—16625, 2020
[7] A. Hazra, A. Jan, A. Tripathi, S. Kundu, P. K. R. Boppidi, S. Gangopadhyay, Optimized resistive switching in TiO2 nanotubes by modulation of oxygen vacancythrough chemical reduction, IEEE Transactions on Electron Devices, Vol. 67(5),pp.-2197-2204, 2020
[8] T. Gakhar, A. Hazra, Oxygen vacancy modulation of titania nanotubesby cathodic polarization and chemical reductionroutes for efficient detection of volatile organic compounds, Nanoscale, vol. 12 (16), pp-9082-9093, 2020
[9] A. Hazra, Surface Potential based Approach to Estimate Bias Dependent Sensitivity of 1-D Metal Oxide Resistive Gas Sensors, IEEE Sensors Journal, 2020, Vol. 20 (11), pp-5766-5775, 2020
[10] P. Bindra, A. Hazra, Dielectric sensor system using TiO2 nanotubes for real time detection of methanol contamination in alcoholic beverages, IEEE Transactions on Instrumentation and Measurement, vol. 69(9), pp.- 6621 – 6629, 2020
[11] D. Saxena, A. Hazra, S. Basu, Micro-cantilever Sensors for Efficient Gas Sensing, Journal of Semiconductor Devices and Circuits, vol. 6(3), pp.-16-24, 2020
2018 - 2019
[12] P. Joshna, A. Hazra, K.N Chappanda, P.K. Pattnaik, S. Kundu, Fast Response of UV photodetector based on Ag nanoparticles embedded uniform TiO2 nanotubes array, Semiconductor Science and Technology, vol. 5, p.-015001 (11p), 2020.
[13] P. Bindra, S. Gangopadhyay, A. Hazra, “1-D TiO2 nanorods array based parallel electrode sensor for selective and stable detection of organic vapors”, IEEE Sensors Journal, vol. 20(2),pp.- 664-671, 2020.
[14] T. Gakhar, A. Hazra, “Synthesis of GO loaded TiO2 nanotubes array by anodic oxidation for efficient detection of organic vapor”, Journal of Electronic Materials, vol. 48(8), pp-5342–5347, 2019.
[15] P. Bindra, A. Hazra “Selective detection of organic vapors using TiO2 nanotubes based single sensor at room temperature”, Sensors & Actuators B, vol.290, pp-684-690, 2019.
[16] P. Bindra, A. Hazra. “Multi-layered TiO2 Nanotubes Array based Highly Sensitive Room Temperature Vapor Sensors”, IEEE Transactions on Nanotechnology, vol.18, pp-13-20, 2019.
2017 - 2018
[17] A. Hazra, S. Basu, Graphene nanoribbon as potential on-chip interconnect material- a review, C Journal on Carbon Research (MDPI), Vol. 3, pp-49 (1-27) 2018
[18] P. Bindra, S. Gangopadhyay, A. Hazra, Au/TiO₂ Nanotubes/Ti-Based Solid-State Vapor Sensor: Efficient Sensing in Resistive and Capacitive Modes, IEEE Transactions on Electron Devices vol.65(5), pp-1918-1924, 2018
[19] P. Bindra, A. Hazra, Impedance behavior of n-type TiO2 nanotubes porous layer in reducing vapor ambient, Vacuum (Elsevier), vol. 152, pp-78-83, 2018
2016 - 2017
[20] A. Hazra, A physical modeling of TiO2 nanotube array-based capacitive vapor sensor, IEEE Transaction on Nanotechnology, vol. 17(1), pp-93-99, 2018
[21] P. Bindra, A. Hazra, Capacitive Gas and Vapor Sensors using Nanomaterials: A Review, Journal of Materials Science: Materials in Electronics (Springer), vol. 29(8), pp.-6129-6148, 2018
2015 - 2016
[22] K. Dutta, A. Hazra, P. Bhattacharyya, Ti/TiO2 Nanotube Array/Ti Capacitive Device for Non-polar Aromatic Hydrocarbon Detection, IEEE Transaction Device and Materials Reliability, vol.16(2), pp.-235-242, (2016)
[23] D. Dutta, A. Hazra, S.K. Hazra, J. Das, S. Bhattacharyya, C.K. Sarkar, S. Basu, Performance of a CVD grown graphene based planar device for hydrogen gas sensor, Measurement Science & Technology (IOP Science), vol. 26, pp. 115104 (11pp), 2015
2014 - 2015
[24] A. Hazra, P.P. Chattopadhyay, P. Bhattacharyya, Hybrid Fabrication of Highly Rectifying p-n Homojunction based on Nanostructured TiO2, IEEE Electron Device Letters, vol.36, pp.-505-507 (2015)
[25] A. Hazra, P. Bhattacharyya, Role of Junction Geometry in Determining the Rectification Performance of TiO2 Nanostructure based p-n Junctions, IEEE Transactions on Electron Devices, vol. 62(6), pp. 1984-1990 (2015)
[26] A. Hazra, B. Bhowmik, K. Dutta, P.P. Chattopadhyay, P. Bhattacharyya, Stoichiometry, Length and Wall Thickness Optimization of TiO2 Nanotube Array for Efficient Alcohol Sensing, ACS Applied Materials and Interfaces (ACS), vol. 7, pp. 9336-9348 (2015)
[27] A. Hazra, K. Dutta, B. Bhowmik, V. Manjuladevi, R. K. Gupta, P. Bhattacharyya, Low temperature methanol sensing by p-titania: correlation with defects states and schottky barrier model, IEEE Transaction on Nanotechnology, vol. 14(1), pp-187-195 (2015)
[28] A. Hazra, P. Bhattacharyya, Pd/ TiO2 NT/Ti Metal-Insulator-Metal Devices as a Reliable Detector of Degradation of Potato, Sensor Letters (ASP), vol.13, pp.-1-7 (2015)
[29] K. Dutta, B. Bhowmik, A. Hazra, P. P. Chattopadhyay, P. Bhattacharyya, An efficient btx sensor based on p-type nanoporous titania thin films, Microelectronics Reliability (Elsevier), vol. 55, pp-558-564 (2015)
[30] K. Choudhary, V. Manjuladevi, R. K. Gupta, P. Bhattacharyya, A. Hazra, S. Kumar, Ultrathin films of TiO2 nanoparticles at interfaces, Langmuir (ACS publications) vol. 31(4), pp-1385-1392 (2015)
2013– 2014
[31] A. Hazra, K. Dutta, B. Bhowmik, P.P. Chattopadhyay, and P. Bhattacharyya, Room Temperature Alcohol Sensing by Stoichiometry Controlled TiO2 Nanotube Array, Applied Physics Letter (AIP), vol. 105, pp.-081604(1-5) (2014)
[32] A. Hazra, P. Bhattacharyya, Tailoring of the gas sensing performance of TiO2 nanotubes by one dimensional vertical electron transport technique, IEEE Transaction on Electron Device, vol. 61, pp.-3483-3489 (2014)
[33] A. Hazra, K. Dutta, B. Bhowmik, P. Bhattacharyya, A Highly Sensitive Low Temperature Ethanol Sensor based on Sol-gel Derived p-TiO2 Thin Film for Low ppm Detection, IEEE Sensor Journal, vol. 15 (1), pp.-408-416 (2014)
[34] A. Hazra, K. Dutta, B. Bhowmik, V. Manjuladevi, R. K. Gupta, M. Roy, P. P. Chattopadhyay, P. Bhattacharyya, Electrochemically Grown Connected and Free Standing TiO2 Nanotube Array using Mixed Electrolyte: Structural and Optical Characterizations, Journal of Electronic Material (Springer) vol. 43(9), pp-3229-3235 (2014)
[35] A. Hazra, B. Bhowmik, K. Dutta, V. Manjuladevi, R. K. Gupta, P. P. Chattopadhyay, P. Bhattacharyya, Formation mechanism of anodically grown free-standing TiO2 nanotube array under the influence of mixed electrolytes, Science of Advanced Materials (ASP), vol. 6(4), pp-714-719 (2014)
[36] B. Bhowmik, K. Dutta, A. Hazra, P. Bhattacharyya, Low Temperature Acetone Detection by p-type Nanocrystalline TiO2 Thin Film: Equivalent Circuit Model and Sensing Mechanism, Solid State Electronics (Elsevier), vol. 99, pp.-84-92 (2014)
[37] B. Bhowmik, A. Hazra, K. Dutta, P. Bhattacharyya, Repeatability and Stability of Room Temperature Acetone Sensor based on TiO2 Nanotubes: Influence of Stoichiometry Variation, IEEE Transaction Device and Materials Reliability, vol. 14(4), pp.-961-967 (2014)
[38] D. Acharyya, A. Hazra, P Bhattacharyya, A Journey Towards Reliability Improvement of TiO2 based Resistive Random Access Memory: A Review, Microelectronics Reliability (Elsevier), vol. 54, pp.- 541–560 (2014)
2012- 2013
[39] A. Hazra, S. Das, J. Kanungo. C. K. Sarkar, S. Basu, Studies on a resistive gas sensor based on sol-gel grown nanocrystalline p-TiO2 thin film for fast hydrogen detection, Sensors and Actuators B (Elsevier), vol. 183, pp.-87-95 (2013)
[40] A. Hazra, S. K. Hazra, E. Bontempi, V. N. Lakshmi, S. Sinha, C. K. Sarkar, S. Basu, Anodically grown nanocrystalline titania thin film for hydrogen gas sensors – a comparative study of planar and MAIM configurations, Sensors and Actuators B (Elsevier), vol. 188, pp.-787–796 (2013)
[41] A. Hazra, S. Das, J Kanungo, E. Bontempi, C. K. Sarkar, P. Bhattacharyya, S. Basu, Influence of Temperature, Voltage and Hydrogen on the Reversible Transition of Electrical Conductivity in Sol-Gel Grown Nanocrystalline TiO2 Thin Film, Journal of Materials Science: Materials in Electronics (Springer), vol. 24, pp.-1658-1663 (2013)
[42] A. Hazra, S. K. Hazra, D. Dutta, C. K. Sarkar, S. Basu Studies on Hydrogen Sensing by Anodized Nanoporous Titania Thin Film Using Soft Drink Electrolyte, Frontiers in Sensors, vol. 1, pp.-17-26 (2013)
[43] D. Acharyya, A. Hazra, K. Dutta, R.K. Gupta, P. Bhattacharyya, Highly Repeatable Multi Level Resistive Switching Characteristics of Au/TiO2/Ti Memory Device, Semiconductor Science and Technology (IOP Science), vol. 28, pp-125001 (2013)
[44] D. Dutta, A. Hazra, S. K. Hazra, J. Das, V. N. Lakshmi, S. Sinha, A. Gianoncholli, C. K. Sarkar, S. Basu, CVD growth of multilayer graphene (MLG) film, characterizations and current-voltage study of Pd/graphene junction, Journal of Nanomaterials & Molecular Nanotechnology (Sci-Technol), vol. S1, pp-1-7 (2013)
CONFERENCE PROCEEDINGS (2011-2018)
[1] A. Hazra, 1-D metal oxide based sandwich structured gas sensors, National Conference on Atomic, Molecular and Nano Sciences (NCAMNS-2019), Aliah University, Newtown, Kolkata, 3-4th April, 2019 (Invited Lecture)
[2] A. Hazra, Qualitative and quantitative understanding of TiO₂ nanotubes based sensor for efficient detection of organic vapors, Indo-Israel Workshop on Nanoelectronics Materials & Devices, BITS-Pilani, 2nd November, 2018 (Distinguished Lecture)
[3] A. Hazra, Device modeling of TiO2 nanotube array for resistive and capacitive mode vapor sensing, International Functional Nanomaterials and Nanodevice Conference, Vienna, Austria, Sept. 2-5, 2018 (Invited Lecture)
[4] A. Hazra, Capacitive Modeling of TiO2 Nanotube based Gas/Vapor Sensor Devices, 11th IEEE Nanotechnology Materials & Devices Conference (NMDC 2016), Tolouse, France, October, 9-12th, 2016
[5] A. Hazra, B. Bhowmik, K. Dutta, P. Bhattacharyya, Low Temperature Low ppm Acetone Detection by Pd/TiO2/p-Si Metal-Insulator-Semiconductor Devices, 7th International Conference on Sensing Technology (ICST 2013), Massey University, Wellington, New Zealand, 3-5th December 2013
[6] A. Hazra, Device Modeling of Double Layered TiO2 Nanotube Array based Resistive Vapor Sensor, IEEE EDCKON 2018,Kolkata, 24-25, November, 2018
[7] A. Hazra, Studies on p and n-type TiO2 nanostructure based devices for alcohol sensing, Symposium on advanced materials for sustainable application (MRSI) at CSIR-NEIST, Jorhat, Assam on and from 18-21 February, 2016. (G.C. Jain, Invited Lecture)
[8] A. Hazra, P. Bindra, Resistive and Capacitive Sensing Performance of TiO2 Nanotube-Based Vapor Sensor, International Conference on Advanced Nanomaterials and Nanotechnology (ICANN-2017), Dec.-18-21,2017 IIT Guwahati, India
[9] A. Hazra, Ti/TiO2 Nanotube/Ti Devices for Selective Vapor Sensing: A Comparison between Resistive and Capacitive Mode Approach, IUMRS-ICYRAM-2016, IISc Bangalore, December 11-15, 2016
[10] A. Hazra, B. Bhowmik, K. Dutta, P. Bhattacharyya, Sol-gel Derived Nanocrystalline Undoped p-TiO2 Thin Film: Structural, Optical and MIS Device Characteristics, International Union of Material Research Society-International Conference in Asia (IUMRS-ICA), IISc Bangalore, India, 16- 20th December, 2013
[11] A. Hazra, D. Acharyya, P. Bhattacharyya, Electrochemically grown nano-structured TiO2 based low power resistive random access memory, International Conference on Emerging Trends in Computing, Communication and Nanotechnology, Tuticorin, Tamilnadu, India, 25-26th March, 2013
[12] A. Hazra, P. Bhattacharyya, C.K.Sarkar and S.Basu, Structural Characterization and Resistive Switching Properties of Sol-Gel Derived TiO2 Bipolar Memory Device, National Conference on Recent Trends in Material Science (RTMS 2011), Jaypee University of Information Technology (JUIT), H.P., 8-10th October, 2011
[13] A. Hazra, P. Bhattacharyya, Development of TiO2 Nanostructure based Devices for Alcohol Detection, Young Scientist Colloquium -2013 organized by Material Research Society of India (MRSI), Kolkata Chapter at Jadavpur University, Kolkata, 28th August, 2013. (Best poster presentation award)
[14] A. Hazra, P. Bhattacharyya, Modulation of Alcohol Sensing Performance of Anodically Grown TiO2 Nanotube Array by a Novel Stoichiometry Variation Technique, Young Scientist Colloquium-2014 organized by Material Research Society of India (MRSI), Kolkata Chapter at Saha Institute of Nuclear Physics (SINP), Kolkata, 12th September, 2014. (Best oral presentation award)
[15] P. Bindra, A. Hazra, Highly sensitive capacitive type ethanol sensors based on double layer TiO2nanotubes array, International Workshop on Nano-Micro 2D-3D Fabrication, Manufacturing of Electronic-Biomedical Devices and Applications, IIT Mandi, 31 Sep–2 Oct 2018
[16] P. Bindra, A. Hazra, Hydrothermal synthesis of 1-D TiO2 nanorods on Ti substrate for efficient vapor sensing, International Conference on Nano-Structured Materials & Devices, University Of Delhi, 17-20 Dec 2018.
[17] T. Gakhar, A. Hazra, Improvement of Methanol Sensing by GO loaded TiO2 nanotubes array at room temperature, National Conference on Advanced Nanomaterials and their Applications (ANA 2018), Dec. 21-23, 2018, MNNIT, Allahabad, India (Best oral presentation)
[18] P. Bindra, A. Hazra, Hydrothermal synthesis of 1-D TiO2 nanorods on Ti substrate for efficient vapor sensing, International Conference on Nano-Structured Materials & Devices, University Of Delhi, 17-20 Dec 2018.
[19] T. Gakhar, S. Gangopadhyay, A. Hazra Synthesis of TiO2 nanotube array with variable oxygen vacancy by chemical reduction method, Second International Conference on Nano Science and Engineering Applications, Oct. 4-6, 2018, JNTU, Hyderabad, India
[20] P. Bindra, A. Hazra, Double layer TiO2 nanotubes based sensor for methanol detection at room temperature, International Functional Nanomaterials and Nanodevice Conference, Sept. 2-5, 2018, Vienna, Austria
[21] P. Bindra, A. Hazra, Controlled variation of structural parameters of electrochemically grown TiO2 nanotube array, International Conference on Nano and Functional Materials (NFM-2017), Nov.16–18, 2017, BITS Pilani-Pilani Campus, Rajasthan, India
[22] P. Bindra, A. Hazra, Impedance behavior of TiO2 nanotube porous layer in reducing vapor ambient, International Conference on Thin Films (ICTF-17), Nov. 13-17, 2017, NPL, New Delhi
[23] S. Choudhary, A. Hazra, A Agarwal, and S. Gangopadhyay, ZnO Nano-structutres for Gas Sensor Application: From Nano-Walls to Nano-Rods Growth Morphology, Internal workshop on Advanced Materials (IWAM 2017), Dec., 2017, NIST, Orissa, India
[24] S. Choudhary, A. Agarwal, V. Saini, A. Hazra, S. Gangopadhyay, Growth and characterization of ZnO nanostructures: materials for CO and ethanol sensing, International Conference on Computational Mathematics in Nanoelectronics and Astrophysics, Nov. 1-3, 2018, IIT Indore, India
[25] S. Choudhary, A. Agarwala, V. Saini, A. Hazra, S. Gangopadhyay, CO gas-sensing at low temperature using CuO thin films, IEEE Sensors, October 28-31, 2018New Delhi, India
[26] B. Bhowmik, K. Dutta, N. Banarjee, A. Hazra, P. Bhattacharyya, Low temperature acetone sensor based on sol-gel grown nanao TiO2 thin film, International Conference on Emerging Trends in Computing, Communication and Nanotechnology (ICECCN), Tuticorin, Tamilnadu, India, 25-26 March, 2013
[27] B. Bhowmik, A. Hazra, K. Dutta, P. Bhattacharyya, “Development of Pd/TiO2/Si MIS Ethanol Sensor Using Nano-TiO2 Sensing Layer, International Union of Material Research Society-International Conference in Asia (IUMRS-ICA), IISc Bangalore, India, 16- 20th December, 2013
[28] K. Dutta, A. Hazra, B. Bhowmik, P.P. Chattopadhyay, P. Bhattacharyya, Mixed Electrolyte: A Controllable Route for Achieving Better Aspect Ratio of TiO2 Nanotubes, International Union of Material Research Society-International Conference in Asia (IUMRS-ICA), IISc Bangalore, India, 16- 20th December, 2013
[29] B. Bhowmik, A. Hazra, K. Dutta, P. Bhattacharyya, Nanocrystalline p-TiO2 based MIS device for efficient acetone detection, IEEE sensors 2014, Valencia, Spain, 2-5th November, 2014
[30] P. Bhattacharyya, A. Hazra, B. Bhowmik, K. Dutta, Effect of stoichiometry variation on alcohol sensing properties of electrochemically grown TiO2 nanotubes, 30th European conference on surface science (ECOSS 30), Turkey, 31st August-5th September, 2014
[31] D. Dutta, A. Hazra, C. K. Sarkar, S. Basu, Influence of Hydrogen on Pd/graphene Junction, International Conference on Diamond and Carbon Materials, Riva del Garda, Italy, 2-5th September 2013.
[32] D. Dutta, A. Hazra, C. K. Sarkar, S. Basu, Metal/Graphene junction and the influence of hydrogen on the Junction Conductivity, Material Research Society (MRS) Fall Meeting, Boston, Massachusetts, USA, 1-6th December, 2013
[33] T. Gakhar, P. Bindra, A. Hazra, TiO2 Nanoflowers based Methanol Sensor, Indo-Israel Workshop on Nanoelectronics Materials & Devices, BITS-Pilani, 2nd November, 2018