“DIAT is working towards self-reliance in critical defence technologies” addressed by Raksha Mantri Shri Rajanath Singh. DIAT secured 58 th position in the Engineering ranking of NIRF- 2021 (2 nd   in Pune, 5 th in Maharashtra).

Hon’ble_RM_Message  Online M.Tech Course Registration & Document Verification M.Tech 1st-year students who are vaccinated completely can join the university physically. Workshop and FDP The MoU    JRF & SRF    NIRF-2021 Tender  Prospective Students Corner

Name Dr. Suwarna Datar
DesignationAssistant Professor
Highest Qualification Ph.D.
Total Citations1230
Office Tel No. 02024304273
Mobile 02024304273
Home page

(Brief Description / Abstract) :

Dr. Suwarna Datar received her Ph.D. from the University of Pune, Pune, in Scanning Probe Microscopy and Spectroscopy Techniques. She is currently an Assistant Professor in the Department of Applied Physics, Defence Institute of Advanced Technology (D.U.). Her research interests are probe microscopy, graphene and its composites for EMI shielding, radar absorbing materials,  plasmon polariton, MEMS-based sensors, and breathomics.


  • 2005: Ph.D.Physics
  • 1997: MSc Physics
  • 1995: BSc Physics

Professional Experience (Institution, Position and Period):

  • Assistant Professor, DIAT, 2010-till now
  • DST Young Scientist, 2008-2010
  • Assistant Professor, Department of Electronics, SPPU, 2006-2007
  • Project Officer, CMET Pune,-2005-2006
  • Post Doctorate, IISc Bangalore, 2004-2005

Research Domains:

  • Scanning Probe Microscopy
  • Sensors for chemical sensing and breath biomarkers for disease diagnostics
  • EMI shielding and radar absorbing Materials
  • Nanostructure characterization and applications


Specific Projects:

  • DIAT- DRDO Program on Nanomaterials
  • DST-nanomission on “Theoretical and experimental studies on magnetic properties of functionalized graphene nanoribbon”
  • DST fast track project on  “Study of Different Parameters Responsible for Self-Assembly of Nanoparticles.
  • Detection of VOCs for Breath analysis for ARDS

Research Collaborations:

  • Prof Ogale, IISER Pune
  • Prof Shivprasad Patil, IISER Pune
  • Dr. Dhananjay Bodas, ARAI Pune

Ph.D Thesis Supervision:

Name of the Student

Name of the Thesis


Rajesh Gangwar

Nano Gold and nano silica-based conjugates for improved bioavailability of curcumin and enhanced catalytic activity


Anupama Joshi

Graphene nanoribbon based hybrid materials and its applications


Arvind Kumar


Synthesis of graphene-like nanocarbon for structural, tactical shielding, and spin-based applications and indigenous development of chemical vapor deposition
set up


Abraham Sampson

Design and Development of Quartz Tuning Fork Sensor Array System/Prototype for Vapor Phase Detection of Volatile Organic Compounds.


Vaishali Rawat


Meta Material Inspired Microwave Electrical Resonator for Chemical Sensing


Sanghmitra Acharya

Carbon Nanocomposites for Electromagnetic Shielding Application


M.Tech. Dissertation Supervision:


  • Design of cantilever sensor for hazardous molecule detection


  • Design and implementation of algorithms for super resolution imaging
  • Design of diffractive optical elements for spot array and pattern generation
  • Proof of concept tuning fork based gas sensor


  • Nano composites for  EMI shielding and strength
  • Carbon nanocomposites for Radiation Shielding with high Strength
  • Tuning fork based chemical sensor


  • Realization of Hyperbolic metamaterials using ferrofluids


  • Jet Noise measurement using Laser systems
  • Hyperbolic metamaterials


  • Signal to Noise Improvement Using Binning Methods
  • Development of Sensor array prototype for quartz tuning fork based sensor
  • Carbon-based nano composites for EMI shielding application
  • Detection of volatile markers of breast cancer using quartz tuning fork based sensor
  • Dielectric polymeric materials for flexible electronics
  • Nanocarbon-ferromagnetic composites as transparent EMI shielding materials
  • Modified graphene for conducting paint as EMI shielding material


  • Hyperbolic Metamaterials for improved sensitivity of Plasmon polariton gas sensor
  • Optically transparent EMI-shielding materials


  • Realization of Surface Plasmon Polariton Sensors using
  • Hyperbolic Metamaterials
  • Eye Safety of High Power Fiber Laser Technologies


  • Metabolic rate monitoring using quarz tuning fork based sensor
  • Machine Learning Approaches For Analysis Of Image And Quartz Tuning Fork Sensor Data.
  • Tunable grating using Phase Change Material
  • Design Of 1-Dimensional Composite Photonic Crystal For Radar and IR Stealth


  • AFTER-Landing wireless Data Transmission for faster fault diagnosis of fighter aircraft
  • Development of Attitude Algorithm by Sensor Data Fusion using Kalman Filter
  • Data acquisition and health monitoring of off-road (all terrain) vehicle engine and transmission

Summer/Winter Internships From other institutions Supervision:

Other Supervision:

Research Publications from 2010 to 2020:

Books Total Journals Articles Articles published in SCOPUS / Web of Science Index Journals Books Chapter Articles published in the Conference Volumes Registered Patent
xxx 46 (from 2010) 1 06

Research Publications:

Journal Articles:


  • Wideband (8–18 GHz) microwave absorption dominated electromagnetic interference (EMI) shielding composite using copper aluminum ferrite and reduced graphene oxide in polymer matrix, Sanghamitra Acharya and Suwarna Datar, J. Appl. Phys. 128, 104902 2020.
  • Nanocomposite engineered carbon fabric-mat as a passive metamaterial for stealth application , RP Magisetty, AB Raj, S Datar, A Shukla, B Kandasubramanian, Journal of Alloys and Compounds 848, 155771, 2020.
  • Co/Co3O4 Based Nanoparticles and Their Polymer Composites for Tuned Electromagnetic Interference Shielding Application, M Tiwari, MA Arya, PV More, S Parmar, S Datar, PK Khanna, Journal of nanoscience and nanotechnology 20 (5), 2847-2857, 2020.
  • Nickel Nanoparticle-Filled High-Performance Polymeric Nanocomposites for EMI Shielding Applications, SV Dravid, SD Bhosale, S Datar, RK Goyal, Journal of Electronic Materials 49 (3), 1630-1637, 2020.


  • Coexisting 1T/2H polymorphs, reentrant resistivity behavior, and charge distribution in MoS2-hBN 2D/2D composite thin films, Swati Parmar,Abhijit Biswas,Sachin Kumar Singh,Bishakha Ray,Saurabh Parmar,Suresh Gosavi,Vasant Sathe,Ram Janay Choudhary,Suwarna Datarand Satishchandra Ogale, physical review materials 3, 074007 (2019)
  • Modified Graphene as a Conducting Ink for EMI Shielding, Saurabh Parmar, Bishakha Ray, Kalyani Shrikant Date, Suwarna Datar, Journal of Physics D Applied Physics 52(37), 2019
  • Magnetic force microscopic analysis and the magnetoelectric sensor of PLZT - spinel ferrite composite films, Ashwini Datar, Bishakha Ray, Suwarna Datar, Vikas Mathe Journal of Magnetism and Magnetic Materials DOI: 10.1016/j.jmmm.2019.165373, 2019
  • Effect of Formation of Heterostructure of SrAl4Fe8O19/RGO/PVDF on the Microwave Absorption Properties of the Composite, Sanghamitra Acharya, Prashant Alegaonkar, Suwarna Datar, Chemical Engineering Journal 374, 144–154 2919
  • Design and Development of 4-MJ Capacitor Bank-Based Pulsed Power System for Electromagnetic Launcher, V. Pradeep Kumar, Satyam Swarup, Shivam Rajput, Suwarna Datar, IEEE Transactions on Plasma Science PP(99):1-9 2019
  • Hydroxyapatite nanorods loaded with parathyroid hormone (PTH) synergistically enhance the net formative effect of PTH anabolic therapy, Jay R Dave, Ankush M Dewle, Suhas T Mhaske, Prashant T Phulpagar, Vikas L Mathe, Supriya E More, Ayesha A Khan, Appala Venkata Ramana Murthy, Suwarna S Datar, Ajay J Jog, Megha Page, Geetanjali B Tomar, Nanomedicine: Nanotechnology, Biology and Medicine 15 (1) 218-230 2019.


  • Enhanced microwave absorption property of Reduced Graphene Oxide (RGO)–Strontium Hexaferrite (SF)/Poly (Vinylidene) Fluoride (PVDF), Sanghamitra Acharya, Chinnakonda S Gopinath, Prashant Alegaonkar, Suwarna Datar, Diamond and Related Materials, 89, 28-34, 2018.
  • Quartz tuning fork based sensor for detection of volatile organic compounds: towards breath analysis, Abraham Sampson, Suresh Panchal, Apoorva Phadke, A Kashyap, Jilma Suman, G Unnikrishnan, Suwarna Datar, Materials Research Express, 5(4), 045407, 2018
  • Investigation of dielectric properties of free standing electrospun nonwoven mat, Jitendra Tahalyani, Suwarna Datar, Kandasubramanian Balasubramanian, Journal of Applied Polymer Science, 135 (16), 46121 2018
  • Investigation of Disorder in Mixed Phase, sp 2–sp 3 Bonded Graphene-Like Nanocarbon, Sumati Patil, Sadhu Kolekar, Arvind Kumar, Prashant Alegaonkar, Suwarna Datar, CV Dharmadhikari Journal of nanoscience and nanotechnology 18 (4), 2504-2512, 2018.
  • Temperature Dependent Electron Transport Properties of Gold Nanoparticles and Composites: Scanning Tunneling Spectroscopy Investigations, Sumati Patil, Suwarna Datar, CV Dharmadhikari, Journal of nanoscience and nanotechnology, 18(3), 1626-1635, 2018.
  • Microwave absorption properties of reduced graphene oxide strontium hexaferrite/poly (methyl methacrylate) composites, Sanghamitra Acharya, J Ray, TU Patro, Prashant Alegaonkar, Suwarna Datar, Nanotechnology, 29 (11) 2018.
  • Correlation between the magnetic-microstructure and microwave mitigation ability of M x Co (1− x) Fe 2 O 4 based ferrite–carbon black/PVA composites, Gopal Datt, Chetan Kotabage, Suwarna Datar, Ashutosh C Abhyankar, Physical Chemistry Chemical Physics, 20 (41), 26431-26442, 2018.


  • Observation of magnetism in La 0.7 Sr 0.3 MnO 3 —graphene nanoribbons complex: a probable magnetoelectronic material study, Anupama Joshi, Sangeeta Kale, Suwarna Datar, Materials Research Express 4(7):075050, 2017
  • Structural and electronic investigation of metal-semiconductor hybrid tetrapod hetero-structures, Krishna Kanta Haldar,  Vijaykumar Yogesh Muley,  Suwarna Datar, Amitava Patra, Gold Bull DOI 10.1007/s13404-017-0198-8 (2017).
  • Quartz tuning fork based portable sensor for vapour phase detection of methanol adulteration of ethanol by using aniline-doped polystyrene microwires, S Abraham Sampson, Suresh Vaijnath Panchal, Atul Mishra, Shaibal Banerjee, Suwarna S Datar, Microchim Acta (2017) 184:1659–1667.
  • Study of Modification of Photo Active Material with Carbon Nanostructures for Polymer Solar Cell Applications, S Sahare, P Ghoderao, A Dey, S Datar, T Bhave Materials Today Communications, DOI 10.1016/j.mtcomm.2017.06.001 2017.


  • Nano-carbon: Preparation, assessment, and applications for NH3 gas sensor and electromagnetic interference shielding, Ashok D. Ugale, Resham V. Jagtap, Dnyandeo Pawar, Suwarna Datar, Sangeeta N. Kale and Prashant S. Alegaonkar, RSC Adv., 2016, 6, 97266
  • An attempt to correlate surface physics and chemical properties : Molecular beam and Kelvin probe investigations of Ce1-xZrxO2 thin films, Physical Chemistry Chemical Physics, 18(39) 2016
  • Dielectric investigation of conducting fibrous nonwoven porous mat fabricated by one-step facile electrospinning process, Jitendra Tahalyani,   Khushbu K. Rahangdale, Radhamanohar Aepuru,  Balasubramanian Kandasubramanian and   Suwarna Datar,  RSC Advances, 6 36588,  2016.
  • Decoration of gold nanoparticles on thin multiwall carbon nanotubes and their use as a glucose sensor, Rajesh K Gangwar, Vinayak A Dhumale, Kalyani S Date, Prashant Alegaonkar, Rishi B Sharma and Suwarna Datar, Mater. Res. Express 3 (2016) 035008


  • Electromagnetic interference shielding in 1–18 GHz frequency and electrical property correlations in poly(vinylidene fluoride)–multi-walled carbon nanotube composites, G. Sudheer Kumar,   D. Vishnupriya,  Anupama Joshi, Suwarna Datar and   T. Umasankar Patro, Phys.Chem.Chem.Phys., 2015, 17, 20347.
  • Photon assisted conducting atomic forcemicroscopy study of nanostructured additives inP3HT:PCBM, Sanjay Sahare, Naresh Veldurthi, Suwarna Datar and Tejashree Bhave, Photon assisted conducting atomic forcemicroscopy study of nanostructured additives inP3HT:PCBMSanjay Sahare, Naresh Veldurthi, Suwarna Datar and Tejashree Bhave, RSC Adv., 2015, 5, 102795.
  • Preparation of Ni3S2 and Ni3S2−Ni Nanosheets via Solution BasedProcessesBalanagulu Busupalli, Kalyani Date, Suwarna Datar, and Bhagavatula L. V. Prasad, Crystal Growth & Design 15 (6), 2584-2588, 2015
  • Curcumin-Loaded, Self-Assembled Aloevera Template for Superior Antioxidant Activity and Trans-Membrane Drug Release, R Kitture, S Ghosh, PA More, S Gaware, S Datar, BA Chopade, SN Kale Journal of nanoscience and nanotechnology 15 (6), 4039-4045, 2015.
  • Carbon nanostructure composite for electromagnetic interference shielding, Anupama Joshi and Suwarna Datar, Pramana- J of physics Vol. 84, No. 6 2015,   1099–1116.
  • Investigation of QTF Based Gas Sensors, S Abraham Sampson, Kalyani Date, Ajit Ambrale, Suresh Panchal, Suwarna Datar, Sensors and Actuators B 216 (2015) 586–594
  • Hysteretic  DC  electrowetting  by  field-induced  nano-structurations  on  polystyrene  film,  Suwarna Datar, Satishchandra B Ogale, Arun G. Banpurkar, Soft Matter, 2015, 11, 2655
  • Processing of graphene nanoribbon based hybrid composite for electromagnetic shielding, Anupama Joshi, Anil Bajaj, Rajvinder Singh, Anoop Anand, P.S. Alegaonkar, Suwarna Datar,Composites B 69, 2015, 472.


  • Grain boundary engineering of La0.7 Sr0.3 MnO3 films on silicon substrate: Scanning Tunneling Microscopy-Spectroscopy study, Anupama Joshi, Rajashree Nori , Sandip Dhobale , V. Ramgopal Rao, S.N. Kale, Suwarna Datar, Physica B 448, 2014, 85.


  • Graphene nanoribbon–PVA composite as EMI shielding material in the X band, Anupama Joshi, Anil Bajaj, Rajvinder Singh, P S Alegaonkar, K Balasubramanian and Suwarna Datar, Nanotechnology 24 (2013) 455705
  • Curcumin conjugated silica nanoparticles for improving bioavailability and its anticancer applications, Rajesh Kumar Gangwar, Geetanjali B Tomar, Vinayak Appasaheb, Dhumale, Smita Sachin Zinjarde, Rishi B Sharma, and Suwarna Datar, Journal of Agricultural and Food Chemistry, 2013, 61 (40), pp 9632–9637.
  • Catalytic activity of allamanda mediated phytosynthesized anisotropic gold nanoparticles, Rajesh K Gangwar, Vinayak A Dhumale, S W Gosavi, Rishi B Sharma and Suwarna S Datar, Adv. Nat. Sci.: Nanosci. Nanotechnol. 4 (2013).
  • Graphene-Like-Nanocarbon—Polyaniline Composite as Supercapacitor Anupama Joshi, Arvind Kumar, P. S. Alegaonkar, and Suwarna Datar Energy and Environment Focus Vol. 2, pp. 1–5, 2013.
  • Charge storage and electron transport properties of gold nanoparticles decorating urethane-methacrylate comb polymer network, S Patil, R Narayan, SK Asha, CV Dharmadhikari, Suwarna Datar, Nanoscale, 2013,5, 4404-4411 (2013).
  • Mixed phase, sp2 sp3 bonded, and disordered few layer graphene–like nanocarbon: Synthesis and characterizations A Kumar, S Patil, A Joshi, V Bhoraskar, Suwarna Datar, P Alegaonkar, Applied Surface Science, 271, 86 (2013).
  • Gold Nanoparticles Based Ultrasensitive Colorimetric Sensor for Cd2+ Ions VA Dhumale, RK Gangwar, Suwarna Datar, RB Sharma, Advanced Science, Engineering and Medicine 5 (5), 409-413 (2013).


  • Conjugation of curcumin with PVP capped gold nanoparticles for improving bioavailability, RK Gangwar, VA Dhumale, D Kumari, U Nakate, SW Gosavi, RB Sharma, SN Kale, Suwarna Datar, Materials Science and Engineering: C 32, issue 8, 2659 (2012).
  • Lithium niobate nanoparticulate clad on the core of single mode optical fiber for temperature and magnetic field sensing CN Rao, A Bharadwaj, Suwarna Datar, S N Kale Applied Physics Letters 101 (4), 043102-043102-4 (2012).
  • Reversible Aggregation Control of Polyvinylpyrrolidone Capped Gold Nanoparticles as a Function of pH VA Dhumale, RK Gangwar, Suwarna Datar, RB Sharma , Materials Express 2 (4), 311-318 (2012).


  • Water Adsorption on Oxygen Passivated Silicon Nanoparticles, Ch. Rajesh, Sumati Patil, Suwarna Datar, D. Bhattacharyya, A. K. Tripathi,Shailaja Mahamuni1, C. V. Dharmadhikari, and S. V. Ghaisas, Nanoscience and Nanotechnology Letters Vol. 3, 1–7, 2011.


  • Growth Mechanism of Cadmium Sulfide Nanocrystals J. Phys. Chem. Lett., 2010, 1 (1), pp 304–308, Ranjani Viswanatha, Heinz Amenitsch, Sanjita Rani Santra, Sameer Sapra, Suwarna S. Datar, Yu Zhou, Saroj K. Nayak, Sanat K. Kumar and D. D. Sarma, Growth Mechanism of Cadmium Sulfide Nanocrystals, J. Phys. Chem. Lett. 1, 304 - 308 (2010).

Book Chapters:

  • Flexible and Transparent EMI Shielding Materials. by Bishakha Ray, Saurabh Parmar, Suwarna Data.  In. Advanced Materials for Electromagnetic Shielding: Fundamentals, Properties, and Applications. Ed by Maciej Jaroszewski, Sabu Thomas, Ajay V. Rane. John Wiley, 2018. ( ISBN:9781119128625). Pp.167-175

Conference Papers:

Research/Review Submitted/Under Review:

Any Publications Submitted/Under Review:

Invited Talks:

  • Invited talk in Workshop on Atomic Force MicroscopyBeyond Topography: Advances in AFM Characterization, Indian Institute of Technology Bombay, Mumbai, July 17, 2019.
  • Oral presentation at on Optically Transparent EMI Shielding Nanocomposite for X band, at URSI AP-RASC 2019, New Delhi, India, 09 - 15 March 2019.
  • Invited talk in National Workshop on Advanced Material Characterization Techniques organized by Department of Physics Osmania University on 31st August 2018.
  • Invited Talk in Baltic Conference Series, ‘Quartz Tuning fork based array sensor for breath Analysis’. 08 - 11 October 2017, Stockholm, Sweden.
  • Invited Talk, National Workshop on Scanning Probe Microscopy Techniques, Aug 14-16, 2016. 
  • Invited Talk, National Conference on Nano Science and its Applications on Engineering, Dec 3-4 2015, MIT College of Engineering, Pune, MEMS based chemical and gas sensors.
  • Invited Talk in International conference on Nanoscience and Nanotechnology during March -12th-15th 2016 (ALIGARH NANO V 2016), Tuning fork based sensor for Breath analysis for Bresat cancer. 
  • Invited talk in DIAT in workshop on Nanotechnology for NDA faculty during 16th and 17th March 2016.
  • Second international symposium on physics and technology of sensors, March 8-10, 2015.
  • Frontiers in Advanced Materials 15-18 June. Attended. Student Poster presentation.
  • Invited talk in Seminar - Bringing The Nanoworld Together, Organized by Oxford Instruments, 24-25 Nov 2014, Kolkata, GNR - LSMO conjugate: MFM Analysis.
  • 7th ISSS International conference on smart materials, structures and systems (ISSS 2014), July 2014, Bangalore, Poster presentation, Development of polymer functionalized Quartz Tuning Fork for gas sensing application.
  • 7th ISSS International conference on smart materials, structures and systems (ISSS 2014), July 2014, Bangalore, Student presentation, Realization of Hyperbolic metamaterials using ferrofluids.
  • Invited talk at International Conference on Nanoscience and Nanotechnology Aligarh March 8-10, 2014, Graphene Nanoribbons, Properties and Applications.
  • International Conference on Magnetic Materials and its Applications (MAGMA 2013), Oral presentation on Study of electronic inhomogienity in LaSrMnO3 films using Scanning Tunneling Microscopy/Spectroscopy, IIT Guwahati, 5-7 Dec 2013
  • International Conference on Advanced and Nanomaterials (ICANM) Oral presentation on Tough Graphene Nanoribbon/ PANI/ Epoxy Composite for Electromagnetic Shielding, Qubec Canada, 12-14 August 2013
  • International Workshop on Nanotechnology and Advanced Functional Materials (NTAFM 2013),
  • Poster presentation on Study of electronic properties of gold nanoparticle of different pH using Scanning Tunneling Microscopy/ Spectroscopy, 24-25 July, 2013, NCL Pune.
  • International Conference on functional Materials for Defence (ICFMD 2012), Composite of CdSe Quantum Dots / Graphene/ PANI for Optoelectronics Application, 18-20 May 2012 , DIAT Pune
  • 1st International Symposium on Physics and Technology of Sensors, Gold-Graphene Nanocomposite based Ultrasensitive Electrochemical Glucose Sensor, 7-10 March 2012, CMET Pune.
  • International Conference on Nanotechnology for Biological and Biomedical Applications (Nano-Bio-Med) August 18-20 2011, ICTP, Italy
  • International Conference on Electron Microscopy, Study of Quasicrystalline phase of graphene: Scanning Probe Microscopy Study, 6-8 July 2011, Hyderabad


Awards/Scholastic Achievements:

  • Technology Day Oration Award 2010, DIAT-DRDO
  • Best Teacher of the year, 2012, DIAT
  • Certificate of Appreciation for student’s first prize in ISSS student award in PG category in year 2014

Government Funded Projects:

  • DIAT- DRDO Program on Nanomaterials
  • DST-nanomission on “Theoretical and experimental studies on magnetic properties of functionalized graphene nanoribbon”
  • DST fast track project on  “Study of Different Parameters Responsible for Self-Assembly of Nanoparticles.
  • Detection of VOCs for Breath analysis for ARDS

Any Other: