Gurudas College

Affiliated to University of Calcutta
Re-accredited with “B” grade by NAAC

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Faculty:Dr. Ruma Ray

  • Department: Physics
  • Qualification: Ph. D.
  • Contact No: 033-24843715 (Res), 9836641390 (mob)
  • Email ID: me.rumaray@gmail.com
  • Area of Specialization: Electronics
  • Research Interest: Polymer nano composites, Polymer Electrolytes,Electrochemical devices, Porous Media, Fractals.
  • Teaching: 11 + yrs.
  • Professional Membership: IACS, ISNA
  • Completed Project : 01
Major Research Project (F. No. 41-847-2012(SR), July 2012 – December 2015), Entitled

Computer simulation and experimental study of Gamma irradiated Solid Polymer Electrolytes,Funded by:University Grants Commission (UGC)

Ongoing Project : 01

Major Research Project (BTR No. 37515,  April 2015 – March 2018), Entitled Studies on the Influence of Ion Beam Irradiation Coupled with Gamma Irradiation on the Behaviour of High Melting Thermoplastics and Polymer Nanocomposites.Funded by : Inter University Accelerator Centre (IUAC),  New Delhi,(In Collaboration with IUAC and Jadavpur University)

Name of the Research Scholar  in this Project : Sri Subir Kumar Patla Publications: Recent Publications :
  • Journal :
  • A Study on the Effect of Gamma Irradiation on Poly(Ehylene Oxide) : Structural Modification and Variation in the Kinetics of Isoconversional Phenomena Mukhopadhyay, M. Saha, Ruma Ray and S. Tarafdar Indian Journal of Physics, 90, 1133 – 1147 (2016)

  • Influence of Gamma Irradiation on the Molecular Weight Distribution and Related Properties of a Polymer : Study through Simulation and Experiment Saha, M. Mukhopadhyay, Ruma Ray T. K. Ballabh and S. Tarafdar Journal of Modeling and Simulation in Material Science and Engineering, 23, 025003(2015).

  • Competitive Scission and Crosslinking in a Solid Polymer Electrolyte Exposed to Gamma Irradiation : Simulation by a Fractal Model Ghosal, M. Mukhopadhyay, Ruma Ray and S. Tarafdar Physica A, 400,139 – 150 (2014)

  • Study of Diffusion and Conduction in Gamma Irradiated Solid Polymer Electrolytes by Fractal Model Structure Ghosal, Ruma Ray, T. K. Ballabh and S. Tarafdar Indian Journal of Pure and Applied Physics, 51 (2013) 324 – 327

  • Conductivity Enhancement in Polymer Electrolytes on Gamma Irradiation Nanda, S. Maity, N. Pandey, Ruma Ray, A. K. Thakur and S. Tarafdar Radiation Physics and Chemistry, 80 (2011) 22 – 27.

  • Conference :
  • Ion Beam Irradiation in PEO – PVDF Blend Solid Electrolytes : Effect on Relaxation and Ion Transportation K. Patla, Ruma Ray, K. Asokan, S.Karmakar and S.Tarafdar 2nd International Conference on Soft Materials, December 12 – 16, 2016, M. N. Institute of Technology, Soft Material Research Society, Jaipur.

  • Ionic Conduction Enhancement as an Influence of Salt in Functional PEO-NH4I Composites : Comparative Polarization Studies with Oxygen-beam Irradiated PEO-PVDF-KBr  Polymer Blend electrolyte.Subir K. Patla, M. Mukhopadhyay, Ruma Ray, K. Asokan, S. Karmakar and S. Tarafdar 15th Asian Conference in Solid State Ionics-2016, November 27-30, IIT,Patna.

  • Effect of Gamma Radiation on Solid Poly (Ethylene Oxide): Analysis Based On Effective Medium Theory Ruma Ray, M. Mukhopadhyay, T.R. Middya and S.Tarafdar. 15th  Asian Conference in Solid State Ionics - 2016, November 27-30, IIT ,Patna.

  • Potential of Partial Exfoliation of  Laponite in Poly[Ethylene Oxide]-NH4I composites Saha, Ruma Ray and S. Tarafdar 15th  Asian Conference in Solid State Ionics - 2016. November 27-30, IIT, Patna.

  • Fractal model of polymer electrolyte to investigate influence of high energy irradiation in ionic conductivity Ghosal, Ruma Ray and S. Tarafdar 15th  Asian Conference in Solid State Ionics - 2016. November 27-30, IIT, Patna.

  • Analysis of pore size and distribution of Gamma irradiated poly(Ethylene-oxide): A comparative approach using BET and SEM and correlation with film impedance.” K. Patla, M. Mukhopadhyay and Ruma Ray Condensed Matter Days, 27 – 29 August, 2015, Visva-Bharati, Santiniketan. August 27-29, 2015.

  • Variation in Scission and/or Cross-Linking of Polymer Molecules by High Energy Radiation : Analysis by a Computer Simulation Study Ruma Ray and A. Banerjee Condensed Matter Days, 27 – 29 August, 2015, Visva-Bharati, Santiniketan. August 27-29, 2015.

  • Computer Simulation on Gamma Irradiation Induced Scission and Crosslinkling in Solid Polymer Electrolytes Ghosal, Ruma Ray and S. Tarafdar 10th  National  Conference on  Solid State Ionics (NCSSI-10),  22 – 24 December, 2012 Department of Physics and Meteorology, IIT, Kharagpur.

  • Study of Diffusion and Conduction in Gamma Irradiated Solid Polymer Electrolytes through Computer Simulation -S. Ghosal, Ruma Ray and S. Tarafdar 9th National  Conference  on Solid State Ionics (NCSSI – 9) , 15-17 December, 2011 Department of Physics and Materials Science and Engineering Jaypee Institute of Information Technology, Noida.

  • Variation in Different Properties of Solid Polymer Electrolytes on Gamma Irradiation : A Computer Simulation Study Ruma Ray, T. K. Ballabh and S. Tarafdar 12th Asian Conference on Solid State Ionics : Fundamental Researches and Technological Applications, May 2 – 6, 2010, Wuhan University of  Technology,China.

  • Effects of Gamma irradiation in Polymers through Computer Simulation Ruma Ray and S. Tarafdar International Conference on Materials and Technology  (ICMST – 2010),  October 19 - 23 Centre for Technology of Nuclear Industry Materials (PTBIN), PUSPIPTEK, Serpong, Indonesia

  • Articles (in Books, Conference Proceedings, Periodicals, etc.):
Book  Chapter:

Simulating Effect of Gamma Irradiation on Polymer Electrolytes : A Short Review Ruma Ray, M. Mukhopadhyay, S,Ghosal, M. Saha and S. Tarafdar in the Book Entitled Energy Storage and Conversion : Materials and Devices (Narosa Publishing House) Eds. Ashok Kumar, Shyamal Kumar Das,  ISBN : 978-81-8487-578-2(2017) Proceedings :

Variation in Different Properties of Solid Polymer Electrolytes on Gamma Irradiation : A Computer Simulation Study Ruma Ray, T. K. Ballabh and S. Tarafdar 12 th Asian Conference on Solid State Ionics : Fundamental Researches and Technological Applications, Wuhan, P. R. China,ISBN : 978-7-5629-3159-1, Eds. B.V. R. Chowdari, Hanxing Liu, Wen Chen et. al. (Asian Society for Solid State Ionics, Wuhan University of Technology, 2010)

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