Details of publications/conference presentations etc.
E. Bhattacharya, "Biosensing with Silicon: Fabrication and Miniaturization of Electrochemical and Cantilever Sensors", SpringerBriefs in Materials Series, 2021. https://link.springer.com/book/10.1007/978-3-030-92714-1.
K. Sivasundari and E. Bhattacharya, Knudsen force based double beam MEMS pressure sensor with increased operating range, J. Micromech. Microeng. 32 104002 2022. https://doi.org/10.1088/1361-6439/ac8e10.
M.B. Krishnan, S. Bhattacharya, and E. Bhattacharya, Design and fabrication of a combined MEMS actuator and grating. ISSS J Micro Smart Syst. (Springer), Oct 2021. https://doi.org/10.1007/s41683-021-00080-7M
S. M. Satheesh, A. Banerjee and E. Bhattacharya, Transferability of weakest link model parameters of polysilicon from indentation fracture to failure in MEMS structures, Engineering Failure Analysis 127, 105563 Sep 2021.
A. Ghosh, D. Sathish Kumar, K. Sivasundari, E. Bhattacharya, Optimising oxide capping layer for tuning pore formation in Silicon Nanoporous Membranes, ISSS J. of Micro and Smart Systems (Springer), June 2021. https://doi.org/10.1007/s41683-021-00070-9
A. Ghosh, Fidal V.T., S. Sengupta, S. Kannan, L. Krishnan, E. Bhattacharya, Effective clearance of uremic toxins using functionalised silicon nanoporous membranes, Biomed Microdevices 23, 4 (2021). https://doi.org/10.1007/s10544-020-00539-8
M. V. Chinnamani, P. Bhadra, V.T. Fidal, S. Gayathri, A. Chadha, and E. Bhattacharya, Ultrasensitive detection of antigen-antibody interaction and triglycerides in liquid ambient using polysilicon cantilevers, J. Micromech. Microeng. 30(2020) 125002 (10pp) https://doi.org/10.1088/1361-6439/abb992 Selected as one of the 2020 Highlights of J. Micromech. Microeng.
N.P. Ratchagar, V.T. Fidal, P. Bhadra, A. Ghosh, A. Chadha and E. Bhattacharya, Sensor for Continuous and Real-time Monitoring of Biomolecule Permeation through Ultrathin Silicon Nanoporous Membranes, IEEE Sensors J., 19 (12), 4419-4427, 2019, doi: 10.1109/JSEN.2019.2900285
P. Bhadra, M.S. Shajahan, P. Patel, E. Bhattacharya, A. Chadha and P. K. Sekhar, Immobilizing siderophores on solid surfaces for bacterial detection, J. Electrochem. Soc., Vol. 165, No. 8 Focus Issue, B3017-B3022, 2018
S. M. Satheesh, A. Banerjee and E. Bhattacharya, Determination of polysilicon Weibull parameters from indentation fracture, Thin Sol. Films, Vol. 642, Pages 76-81, 30 November 2017. doi:10.1016/j.tsf.2017.09.015
G. Kathel, M. S. Shajahan, P. Bhadra, A. Prabhakar, A. Chadha, and E. Bhattacharya, Measurement and reliability issues in resonant mode cantilever for bio-sensing application in fluid medium, J. Micromech. Microeng., Volume 26, Number 9, 2016.
P. Bhadra, S. Sengupta, N. P. Ratchagar, HVB Achar, A. Chadha, and E. Bhattacharya, Selective transportation of charged ZnO nanoparticles and microorganism dialysis through silicon nanoporous membranes, J. of Membrane Science 503, pp. 16-24,2016
P. Bhadra, M. S. Shajahan, E. Bhattacharya and A. Chadha, Studies on varying n-alkanethiol chain lengths on gold coated surface and their effect on antibody-antigen binding efficiency, RSC Adv. 2015, 5, 80480 - 80487.
V. Sista and E. Bhattacharya, Knudsen's force based MEMS structures, J. Micromech. Microeng. 24, 045003 pp05, 2014. Selected as one of the 2014 Highlights of J. Micromech. Microeng.
M. S. Veeramani, P. Shyam, N. P. Ratchagar, A. Chadha and E. Bhattacharya, Miniaturized silicon biosensor for the detection of Triglyceride in blood serum, Anal. Methods, vol. 6, pp 1728-1735, 2014.
H.V. B. Achar, S. Sengupta, E. Bhattacharya, Fabrication of ultrathin silicon nanoporous membranes and their application in filtering industrially important biomolecules, IEEE Trans. on Nanotechnology Vol 12, No. 4, pp 583-588, July 2013
Paresh Kumar and E. Bhattacharya, Digital Microfluidics and its integration with a fluidic microreactor, J. ISSS Vol. 2 No. 1, pp. 10-19, March 2013.
M. S. Veeramani, P. Shyam, N. P. Ratchagar, A. Chadha, E. Bhattacharya, and S. Pavan, A miniaturized pH sensor with an embedded counter electrode and a readout circuit, IEEE Sensors J. vol 13(5) pp 1941-1948, 2013.
R. Preetha, K. Rani, M.S.S. Veeramani, R.E. Fernandez, H. Vemulachedu, M. Sugan, E. Bhattacharya, A. Chadha, Potentiometric estimation of blood analytes - triglycerides and urea: comparison with clinical data and estimation of urea in milk using an electrolyte-insulator-semiconductor-capacitor (EISCAP), Sensors and Actuators B: Chemical, Volume 160, Issue 1, Dec 2011, pp 1439-1443. doi:10.1016/j.snb.2011.10.008.
HVB Achar and E. Bhattacharya, Nanoporous silicon membrane for biomolecular separation, International J. of Nanoscience Vol. 10, No. 4 and 5, 2011, pp 793-796. DOI: 10.1142/S0219581X11008915.
K.A.G. Prakash, S. Dhabai, E. Bhattacharya and S. Bhattacharya, Design and Fabrication of a Micro-mirror for Low Resolution Spectroscopy, IEEE Sensors J. Vol. 11, No. 4, pp 1019-1025, April 2011.
N. Bhagirath, E. Kanhere and E. Bhattacharya, MOS capacitor for simple thiol based biosensor applications, Thin Sol. Films, vol. 519, No.3, Nov 2010, pp 982–986.
R. E. Fernandez, E. Bhattacharya and A. Chadha, Dynamic response of polysilicon microcantilevers to enzymatic hydrolysis of urea, Intl. J. of Advances in Engineering Sciences and Applied Mathematics: Special issue on MEMS (Springer), Volume 2, Issue 1 and 2, pp 17-22, June 2010. DOI 10.1007/s12572-010-0007-6.
V. Hareesh, R. E. Fernandez, E. Bhattacharya and A. Chadha, Miniaturisation of EISCAP sensors for triglyceride detection, J. of Materials Science: Materials in Medicine (Springer), Volume 20, Supplement 1 / December 2009, p229-234. DOI 10.1007/s10856-008-3534-y.
R. E. Fernandez, S. Stolyarova, A. Chadha, E. Bhattacharya and Y. Nemirovsky, MEMS composite Porous Silicon/Polysilicon cantilevers for biosensing applications, IEEE Sensors J., Volume 9, Issue 12, Dec. 2009 Page(s):1660 - 1666.
S. Bhat and E. Bhattacharya, Extraction of residual stress and dimensions from electrical measurements on surface micromachined test structures, J. Micro/Nanolith. MEMS MOEMS Vol. 8, 031309 (Jul. 10, 2009).
L. Sujatha and E. Bhattacharya, Porous Silicon/Polysilicon for improved sensitivity pressure sensors, Phys. Status Solidi C 6, No. 7, 1759– 1762 (2009) / DOI 10.1002/pssc.200881070.
A. Mathew, G. Pandian, A. Chadha, E. Bhattacharya, Novel Applications of Silicon and Porous Silicon Based EISCAP Biosensors, Phys. Status Solidi A 206, No. 6, 1369–1373 (2009) 009) / DOI 10.1002/pssa.200881084.
R. E. Fernandez, V. Hareesh, E. Bhattacharya and A. Chadha, Comparison of a potentiometric and a micromechanical triglyceride biosensor, Biosensors and Bioelectronics 24(5), pp1276-1280, 1 Jan 2009.
R. E. Fernandez, E. Bhattacharya and A. Chadha, Covalent immobilization of Pseudomonas Cepacia Lipase on semiconducting materials, Appl. Surface Science 254, Issue 15 (May 2008) 4512–4519.
S. Bhat and E. Bhattacharya, Parameter extraction from simple electrical measurements on surface micromachined cantilevers, J. Micro/Nanolith. MEMS MOEMS 6(4), (Oct-Dec 2007) 043013 . IF 1.24
S. Basu, A. Prabhakar and E. Bhattacharya, Estimation of stiction force from electrical and optical measurements on cantilever beams, IEEE/ASME J. of MEMS, Vol. 16, No. 5 (October 2007) 1254-1262, IF 2.89
L Sujatha and E. Bhattacharya, Enhancement of the sensitivity of pressure sensors with a composite Si/porous silicon membrane, J. Micromech. Microeng. 17 (2007) 1605-1610. (IF 2.499)
S.R. Manjula, Teweldebrhan K., E. Bhattacharya and K.N. Bhat, Physical Model for the Resistivity and Temperature Co-efficient of Resisitivity in Heavily Doped Polysilicon, IEEE Trans. El. Dev. 53, Issue 8 (2006) 1885-1892.
K. N. Bhat, R. J. Daniel and E. Bhattacharya, Stable passivation technique for high temperature polycrystalline silicon on insulator (PSOI) MOSFETs for MEMS integration, Electronics Letters 42, Issue 12(2006)721-722.
R. J. Daniel, K. N. Bhat and E. Bhattacharya, Effect of Doping Concentration on the Grain Boundary Trap Density and Threshold Voltage of Polycrystalline SOI MOSFETs, Microelectronics Engineering 83, Issue 2 (2006) 252-258.
E. Bhattacharya, L.H. A. Rani, U.Venu Babu, P.R.S.Rao, K.N.Bhat and J. Martin, Effect of Porous Silicon Formation on Stiction in Surface Micromachined MEMS Structures, Phys. Stat. Sol (a) 202 (2005)1482-1486.
I. Basu, R.V. Subramanian, A. Mathew, A. M. Kayastha, A. Chadha and E. Bhattacharya, Solid State Potentiometric Sensor for the Estimation of Tributyrin and Urea, Sensors and Actuators B 107 (2005) 418-423.
R. Ravi Kumar Reddy, I. Basu, E. Bhattacharya and A. Chadha, Estimation of Triglycerides by a Porous Silicon based Potentiometric Biosensor, Current Applied Physics 3 (2003) 155–161.
R. Ravi Kumar Reddy, A Chadha and E. Bhattacharya, Porous Silicon based Potentiometric Triglyceride Biosensor, Biosensors and Bioelectronics 16(2001)313-317.
E. Bhattacharya, P. Ramesh and C. Suresh Kumar, Studies on gold/porous silicon/crystalline silicon junctions, J. of Porous Materials 7(2000) 299-301.
E. Bhattacharya and G. Guruswamy, Post-hydrogenation of LPCVD grown a-Si, Semicond. Sc. and Tech. 11 (1996) 531-534.
T.B. Suresh, S.S. Kumar, S.Karmalkar and E. Bhattacharya, Electroless plated nickel contacts to a-Si:H, Thin Sol. Films 252 (1994) 78-81.
A.K.Sinha, M.Malhotra, S.Kumar, E.Bhattacharya and S.C.Agarwal, Sub-bandgap absorption in a-Si:H using constant photocurrent measurement, Ind. J.of Pure and Appl. Physics 31 (1993) 548.
P. Agarwal, S.C. Agarwal, E. Bhattacharya, S. Kumar and A. Kumar, Search for thermal metastability in chalcogenide glasses, Ind. J. of Pure and Appl. Phys. 31(1993) 367.
E.Bhattacharya, A.H.Mahan, R.S.Crandall and J.I.Pankove, Photoconductivity and light induced effect in a-Si:H, J. of Semiconductor Materials and Devices 2 (1990) 508-512.
E.Bhattacharya, A.H.Mahan, R.S.Crandall and J.I.Pankove, Critical comparison of light induced changes in subgap absorption and photoconductivity in a-Si:H, Appl.Phys Lett 54 (1989) 1247-1249.
H.Zarnani, Z.Q.Yu, G.W.Collins, E.Bhattacharya and J.I.Pankove, Windowless He lamp assisted CVD of a-Si:H, Appl. Phys Lett 53 (1988) 1314-1316.
E.Bhattacharya and A.H.Mahan, Microstructure and light induced metastability in a-Si:H, Appl. Phys Lett 52 (1988) 1587-1589.
E.Bhattacharya, J.I.Pankove and S.K.Deb, Electric field and IR induced recovery of light induced effect in a-Si:H, Appl. Phys. Lett 51 (1987) 998-1000.
E.Bhattacharya and K.L.Narasimhan, Space charge limited currents and statistical shift in a-Si:H, Sol. St. Comm. 56 (1985) 747-749.
E.Bhattacharya, K.L.Narasimhan and D.R.Bapat, Statistical shift in a-Si:H, J. Non-cryst. Solids 77/78 (1985) 483-486.
E.Bhattacharya and K.L.Narasimhan, Anomalous temperature dependence of space charge limited currents and photoconductivity in a-Si:H, Philos. Mag. B49(1984) 271-280.
E.Bhattacharya and K.L.Narasimhan, Investigations on the effect of non-exponential distribution of gap states on photoconductivity in a-Si:H, Phys. Rev B (Rapid comm.) 28(1983) 2287-2288.
D.R.Bapat, E.Bhattacharya, S.Guha and K.V.Krishna, Conductivity of a-Si:H in the planar and sandwich configurations, Thin Sol. Films 99 (1983) 339-344.
E.Bhattacharya, S.Guha, K.V.Krishna and D.R.Bapat, Space charge limited conduction in n+nn+ a-Si:H films, J. Appl. Phys. 53 (1982)6285-6288.
Presented at National Conferences
E. Bhattacharya, A. Chadha, M. S. Veeramani, P. Shyam, N. P. Ratchagar, A silicon MEMS Triglyceride sensor, ISSS National Seminar on MEMS, Coimbatore, 21-22 September, 2012. Invited.
E. Bhattacharya, A silicon MEMS Triglyceride sensor, Symposium on Recent Trends in Health Care Science and Technology, BESU, Howrah, Mar 5-6 2012. Invited.
Vikrant Sista, E. Bhattacharya, A Wide Range MEMS Vacuum Gauge Based on Knudsen’s Forces, COMSOL Conference Bangalore, Nov 4-5, 2011.
E. Bhattacharya, MEMS Microcantilevers for Metrology and Sensing Applications, Symposium on Emerging Trends in Materials, Metrology and Environmental Sciences (SET MMES)-2009, NPL, Delhi, July 28-29, 2009, Invited.
M. R.Tejaswini, R. E. Fernandez, B. V. Soma Sekhar, K. Balasubramaniam, E. Bhattacharya, Determination of rheological parameters of microfluids using cantilever based MEMS and Laser vibrometry, National Seminar and Exhibition on Non-destructive Evaluation, NDE 2007, Vadodara, Nov 28-30.
S. Tyagi, A. Prabhakar and E. Bhattacharya, Variable optical attenuators on SOI wafers, National Conference on Optoelectronics, Cochin, April 9-12, 2007.
E. Bhattacharya, Silicon based MEMS pressure sensors, National Seminar on Sensors, BARC Mumbai, March 8-10, 2007.
Presented at International Conferences
A. Kumar, V.T. Fidal, K. Sivasundari, S. Sengupta, and E. Bhattacharya, A monitored miniature dialysis apparatus with silicon nanoporous membrane, Sensors & Systems for Alternative Diagnostics and Therapies, APSCON 2023, 23-25 January, Bengaluru. Accepted.
A. Tiwari, S. S. Bhakat, R. Goswami, PK Swain, A. Goswami, E. Bhattacharya, and BK Das, In-House SiN Process Development for Integrated Photonic Applications, ICEE 2022, Bangalore, 11-14 Dec.
S. Roy, B. Chakrabarti, and E. Bhattacharya, Implementation of an artificial neuron using SiOx-based resistive switching device, ICEE 2022, Bangalore, 11-14 Dec.
S. Roy, S.R. Pande, B. Chakrabarti, and E. Bhattacharya, A SiOx resistive memory with low operating voltages, gradual set/reset operation and high on-state non-linearity, accepted for MRS Spring Meeting, Hawaii. 8-13 May 2022.
A. Chakrabarti, A. Prabhakar, and E. Bhattacharya, A surface potential based current model for Suspended Gate Field Effect Transistor prior to pull-in, IWPSD 2021 (online) Dec 14-17, Delhi.
A. Chakrabarti, S. Biswas, A. Prabhakar, and E. Bhattacharya, Effect of plasma exposure on the electrical characteristics of suspended gate field effect transistor, IWPSD 2021 (online) Dec 14-17, Delhi.
M.B. Krishnan, S. Bhattacharya, and E. Bhattacharya, Processing challenges in fabricating a combined MEMS actuator and grating, IWPSD 2021 (online) Dec 14-17, Delhi. Invited.
E. Bhattacharya, Silicon nanoporous membranes for dialysis, International Conference on Thin films and Nanotechnology - Knowledge, Leadership and Commercialization (ICTN-KLC) in memory of Prof. K. L. Chopra, 24th - 26th Aug 2021, IIT Delhi. Invited.
E. Bhattacharya, Towards a silicon nanoporous membrane based miniature dialysis apparatus, 17th international workshop on nanomechanical sensing, Calgary, Canada, 15-18 June 2021, Invited
A. Ghosh, V.T. Fidal, S. Sengupta, S. Kannan, L. Krishnan, E. Bhattacharya, Miniature dialysis device using silicon-based composite membranes, 12th International Congress on Membranes and Membrane Processes ICOM 2020, 7-11 December, 2020. Held online.
S. Biswas and E. Bhattacharya, Design and Fabrication of Suspended Gate Field Effect Transistor, IWPSD, Dec 2019, Kolkata
A. Ghosh, D. Sathish Kumar, and E. Bhattacharya, Improved Material Quality of SiO2 Capping Layers for Silicon Nanoporous Membranes, IWPSD, Dec 2019, Kolkata
A. Gupta, A. DasGupta, E. Bhattacharya, N. DasGupta, M. K. Patanakar, R.P. Behera, M. Sakthivel, T. Jayanthi, B.K. Panigrahi, Micromachining of SiC Membrane for Piezoresistive Pressure Sensors, IWPSD, Dec 2019, Kolkata
V.T. Fidal, A. Ghosh, S. Sengupta, G. Abraham and E. Bhattacharya, Portable dialysis device with silicon nanoporous membranes for efficient dialysis, Joint Conference of the 37th Congress of the International Society of Blood Purification (ISBP) and the 22nd Annual Conference of the Peritoneal Dialysis Society of India (PDSI), 18 – 21 September, 2019, Hyderabad.
V.T. Fidal, M.V. Chinnamani, S. Gayathri, A. Chadha, E. Bhattacharya, Detection of urea and ammonia with aluminium coated polysilicon nanoresonators, Transducers/Eurorsensors 2019, June 23-27, Berlin.
A. Ghosh, VT Fidal, S Sengupta and E. Bhattacharya, An efficient surface functionalized silicon nanoporous membrane as a platform for dialysis, IEEE International Conference on Emerging Electronics (IEEE ICEE), December 16th – 19th, 2018, Bengaluru, India. Best presentation award for A. Ghosh.
E. Bhattacharya, Resonant mode cantilevers in liquid medium for biosensing, IEEE International Conference on Emerging Electronics (IEEE ICEE 2018), December 16th – 19th, 2018, Bengaluru, India. Invited.
R. Kumar, E. Bhattacharya, and A. Krishnan, Design of electromechanically tunable metamaterial based THz filter, Photonics 2018, IIT Delhi, Dec 12-15 2018.
E. Bhattacharya, Silicon Nanoporous Membranes: Fabrication and Applications, International workshop on NANO/MICRO 2D-3D fabrication, manufacturing of electronic- biomedical devices & applications (IWNEBD-2018), 31st October-2nd November 2018, Indian Institute of Technology (IIT) Mandi, Himachal Pradesh, India. Invited.
N.P. Ratchagar, V.T. Fidal, P. Bhadra, A. Ghosh, E. Bhattacharya, A. Chadha, Membrane based sensor for in-line monitoring of proteins, BIOS2018 - 28th Anniversary World Congress on Biosensors, 12-15 June 2018, Florida, USA
E. Bhattacharya, Bio-sensing in liquid medium with resonant mode cantilevers,11th International Conference on Sensing Technology (ICST 2017), Sydney, 4 - 6 December 2017, Keynote.
N. P. Ratchagar, P. Bhadra, A. Chadha, and E. Bhattacharya, Fabrication and applications of ultrathin silicon nanoporous membranes, Frontiers in Materials Processing Applications, Research and Technology (FiMPART), July 9-12, 2017, Bordeaux, France, Invited.
R. Changder and E. Bhattacharya, Experimental demonstration of negative differential capacitance in a voltage controlled electrostatic actuator, 3rd International Conference on Emerging Electronics (ICEE), 27-30 December 2016, IIT Bombay.
P. Sahu, E. Bhattacharya and A. Chadha, Simultaneous trapping and measurement of nitrogen in Kjeldahl process, International Conference on Emerging Technologies in Agricultural and Food Engineering (ETAE), December 27-30, 2016, IIT Kharagour. Second best poster award for Praveen Sahu.
S. M. Satheesh, A. Banerjee, and E. Bhattacharya, Statistical nature of indentation fracture toughness of polysilicon, 17th International Conference on Experimental Mechanics (ICEM17), Rhodes, Greece, July 3 - 7, 2016.
P. Sahu, E. Bhattacharya and A. Chadha, Estimation of nitrogen (NH4+) using pH sensitive Electrolyte Insulator Semiconductor Capacitor, 18th International Conference on Chemical Sensors ICCS 2016, San Francisco, Jun 09-10, 2016. Best presentation award for Praveen Sahu.
1. E. Bhattacharya, A. Chadha, S. Pavan, H. Vemulachedu, M. S. Veeramani, P. Shyam, and N. P. Ratchagar,"A miniaturised blood serum triglyceride monitoring system", Indian Patent # 4937/CHE/2013. Provisional filed on 01/11/13. Final version L - KS - 9916 filed on 30/07/2014.
Licensed to Purius Nanosystems Private Limited, 2015.Others:
1. E. Bhattacharya and A. DasGupta, Guest Editors, Special issue on MEMS and Sensors for the International Journal of Advances in Engineering Sciences and Applied Mathematics, Springer, Volume 7, Number 4, December 20152. L. Sujatha, C. Roy Chaudhuri and E. Bhattacharya, Application of Porous Silicon in MEMS and Sensors Technology, Book chapter in Materials and Failures in MEMS and NEMS, Ed.: Atul Tiwari and Baldev Raj, Scrivener Publishing, John Wiley & Sons, USA, pp 121-165, Sep 2015, 3. E. Bhattacharya, Biosensors – An overview of the field in India, https://indiabioscience.org/columns/general-science/biosensors-an-overview-of-the-field-in-india, 2013. 4. E. Bhattacharya and S. Buttgenbach, Guest Editors, Special issue on MEMS for the International Journal of Advances in Engineering Sciences and Applied Mathematics, Springer, Volume 2, Issue 1 and 2, 2011.