Ms. Payel Das

Assistant Professor, Department of Physics, Brainware University

398, Ramkrishnapur Rd, near Jagadighata Market, Barasat, Kolkata, West Bengal 700125




B. Sc in Physics (Bethune College, University Of Calcutta)

M. Sc in Physics (St. Xavier's College (Autonomous), University Of Calcutta)

PhD in Physics (Thesis submitted, Jadavpur University)

Research Interests:

  • Low temperature Physics, High Tc Superconductivity


Experimental Expertise:

1. Solid state synthesis technique for the preparation of ceramic superconducting materials.

2. X-ray diffractometer (Bruker D8).

3. Field Emission Scanning Electron Microscope (FESEM).

4. Closed cycle cryogenerator (JANIS, USA) used for low temperature transport measurements.


Presented research work in Conferences:

1. P.Das, S.Haldar and Ajay Kumar Ghosh, Current-voltage characteristics in superconducting Nd1-xCexBa2Cu3O6.9 and possibility of Kosterlitz-Thouless transition, International Conference on Complex and Functional Materials (ICCFM) MS28 229 (2018) ; 13-16 December, 2018 Organized by S. N. Bose National Centre for Basic Sciences, Kolkata.

2. P.Das, S.Haldar, T.Sk and Ajay Kumar Ghosh, Localization length, superfluidity and critical current density in electron doped RE-123, International Conference on Advanced Materials (ICAM-2019) held at Kottayam, Kerala, India during 9 th -11th August, 2019.

3. P.Das, I.Mukherjee and Ajay Kumar Ghosh, Current-voltage characteristics of co-doped Eu-123 system, International Conference on Condensed Matter (ICCM-21) held from 28th to 30th October 2021 in Virtual mode, The Academy Of Sciences, Chennai.

4. B. Biswas, I. Mukherjee, P. Das, T. Sk, L. Ghosh, S. Mollah, S. Haldar and Ajay Kumar Ghosh, Transport properties and charge localization in Co substituted Gd1Ba2Cu3O6.9 and related superconductors, Two days seminar on “Twists and Turns in Physics Research: Special Emphasis on Condensed Matter and Biophysics (TTPR-2017)” organized by Department of Physics, Jadavpur University, Kolkata, Supported by UGC-DSA-I Programme on 21-22 February, 2017.

5. S. Haldar, P. Das, L. Ghosh and Ajay Kumar Ghosh, Nonlinear currentvoltage characteristic and impact of sweeping rate variation in Gd1- xCexBa2Cu3O6.9, Condensed Matter Days- 2017, Department of Physics, Tezpur University, Tezpur- 784028, Assam, India; August 29-31, 2017.

6. T. Sk, P. Das, S. Haldar and Ajay Kumar Ghosh, Nonlinear Variation of IV-Exponent in Underdoped Y1-xCexBa2Cu3O6.9, ICC 2019, 3 rd International Conference on Condensed Matter & Applied Physics, Bikaner, India; Oct. 14-15, 2019 .


Attended Workshops and Seminars:

1. Workshop on “Astronomy & Astrophysics: concepts and challenges” organized by Physics & Applied Mathematics unit, Indian Statistical Institute on 3 rd February, 2011.

2. National Science Day Celebration, Variable Energy Cyclotron Centre, Kolkata on 16th March, 2012.

3. CSIR SPONSORED SYMPOSIUM “Frontiers in modern optics”, St. Xavier’s College (Autonomous), Kolkata, Department of Physics on 12th& 13th February, 2014.

4. Science Academics’ Lecture Workshop on “Physics of Electronic Materials” organized by Indian National Science Academy (Delhi), The Indian Academy of Sciences (Bangalore), The National Academy of Sciences of India (Allahabad), St. Xavier’s College (Kolkata) on 8th& 9th of August, 2014.

5. Two-day National seminar organized by the Department of Power Engineering, Jadavpur University TEQIP-II sponsored on SHAPING THE FUTURE OF INDIAN POWER SECTOR THROUGH RENEWABLE ENERGY on September 09-10, 2016.

6. Two days seminar on “Twists and Turns in Physics Research: Special Emphasis on Condensed Matter and Biophysics (TTPR-2017)” organized by Department of Physics, Jadavpur University, Kolkata, Supported by UGCDSA-I Programme on 21-22 February, 2017.

7. One day seminar on ‘Recent Trend in Frontier Research in Physics’ on 6th march, 2018 held at Department of Physics, Jadavpur University, Kolkata.

Publications:

1. Superfluid phase stiffness in electron doped superconducting Gd-123. P. Das and Ajay Kumar Ghosh, Physica C 548, 27 (2018).

2. Scaling of current-voltage characteristics without and with finite superfluid phase stiffness below 𝑇𝑐 . Payel Das and Ajay Kumar Ghosh; Physica C 593, 1354005 (2022).

3. Dynamic and static exponents in FFH scaling using superfluid phase stiffness in co-doped superconducting systems. Payel Das, Tasaul Sk, Ajay Kumar Ghosh; Journal of Superconductivity and Novel Magnetism, (2022) (https://doi.org/10.1007/s10948-022-06370-x).

4. Three dimensional phase diagram of superfluidity controlled voltage nonlinearity in superconductors. S. Haldar, P. Das, Ajay Kumar Ghosh, Physica C 563, 78 (2019).

5. Exponential reduction in critical current density in Eu1-xCexBa2Cu3O7-δ superconductors near critical temperature. D. Rakshit, T. Sk, P. Das, S. Haldar, Ajay Kumar Ghosh, Physica C 588, 1353909 (2021).

6. Current-voltage characteristics of co-doped Eu-123system. P. Das, I. Mukherjee and Ajay Kumar Ghosh, ICCM-21, The Academy Of Sciences, Chennai (Accepted).


Experience:

Teaching Experience:

Full Time Contractual Lecturer, Department Of Physics, Gokhale Memorial Girls’ College, Kolkata - 700020, India, University Of Calcutta, From December, 2015 to May, 2016.

Project Guidance :

1. Guided a M.Sc. Physics student’s Experimental Project on the topic of ‘Synthesis and Characterization of electron doped RE-123’, Jadavpur University, 2020.

2. Guided a M.Sc. Physics student’s Experimental Project on the topic of ‘To determine the nature of grain size distribution of electron doped RE123’, Jadavpur University, 2021.


Awards:

1. ‘INSPIRE SHE scholarship’ awarded by DST, India, 2010.

2. ‘INSPIRE Fellowship’ awarded by DST, India, 2016.

3. National Eligibility Test (NET), India, 2014.