Email: koyel21stapril@gmail.com
Mobile: 9064174007
Designation: Assistant Professor And Hod Of Physics
Department: Physics
Academic Qualifications: M.Sc. (Physics), Ph.D. (Science) From Jadavpur University
Google Scholer link: Click Here
Date Of Joining : 1st April, 2015.
Specialization : Solid State Physics, Nano-crystalline Silicon Materials And Photo-voltaic Applications, Renewable Energy Resources, Glass-nanocomposites
Teaching Experience: More than 17 Years [8 Years In Mathabhanga College, Mathabhanga, Coochbehar, West Bengal (21st March, 2007 – 31st March, 2015) And 9 Years In Kalipada Ghosh Tarai Mahavidyalaya, Bagdogra, West Benga(1st April, 2015 – Present)]
Award/ Fellowship : Research Fellow Of Indian Association For The Cultivation Of Science, Kolkata
During : 2003 – 2007
Membership : Na
Research Area: Nano-crystalline Silicon Materials And Photo-voltaic Applications, Glass-nanocomposites
Seminar/ Workshop
Paper Presented in Symposium/conferences/ workshop
- Nanocrystalline Silicon network grown at low H2-dilution and low substrate temperature Koyel Bhattacharya and Debajyoti Das 17th AGM of the Material Research Society of India (MRSI) (13th -15th February, 2006) organised by University of Lucknow, Lucknow and MRSI-Lucknow Chapter
- Characterization of Nanocrystalline Silicon network prepared using H2-dilution Koyel Bhattacharya and Debajyoti Das Proceedings oftheNational Symposium on Spectroscopy and its Applications (18th – 20th January, 2006) held on
Indian Association for the Cultivation of ScienceJadavpur, Kolkata-700032
Participation of Symposium/conferences/ workshop/Webinar
- UGC- Sponsored National Seminar on “Media Ethics in the Information Age” (3rd& 4thSeptember, 2013) at Mathabhanga College, Mathabhanga, Coochbehar, West Bengal,India-736146 organised byDepartmentPhilosophy, Mathabhanga College, InCollaboration with Department of Philosophy, University of North Bengal
- UGC- Sponsored National Conference on “Realizing The Right To Development In India:The Challenges of Universal elementary Education” (25th -26th March, 2010) organised byDepartment of Political Science,
Mathabhanga College, Mathabhanga, Coochbehar, West Bengal, India-736146 - National Symposium on “Spectroscopy and its Applications” (18th – 20th January, 2006) held on Indian Association for the Cultivation of ScienceJadavpur, Kolkata-700032
- 17th AGM of the Material Research Society of India (MRSI) (13th -15th February,2006) organised by University of Lucknow, Lucknow and MRSI-Lucknow Chapter
- Introductory Seminar on Astrophysics and Cosmology (September 16th, 2020) Organized by IUCAA Centre for Astronomy Research and Development (ICARD), Physics Department, North Bengal University
- Webinar on “Journey of solar cells from Silicon to Perovskite” Organised by Research & Development Committee, Siliguri Institute of Technology on July8, 2020
- International Webinar on “Impact of COVID-19 on Higher Education and a Quest for Possible Alternatives” (22-24 June,2020) Organized bySukantaMahavidyalaya, Dhupguri, West Bengal
- 1st International e-Conference on Recent Advances in Physics & Materials Science-2020 (IC-RAPMS-2020) (9-10th July, 2020)Organized byKurseong College, Darjeeling, West Bengal, India-734203In collaboration withSt.Joseph’s College, Darjeeling, West Bengal, India-734104
- Webinar on “Managing Emotions and Self-Care in times of Uncertainty” (30th June, 2020) Organized by Department of Clinical Psychology, Mizoram University
- One day International Webinar on “COVID-19: Facts on the Bench- Where are we?” (31st August, 2020) Organized by Department of Chemistry and IQAC, KalipadaGhoshTaraiMahavidyalaya, Bagdogra
Publications:
1. Effect of Heat-Treatment on Electrical Properties of Ag2S Doped Chalcogenide Glassy System
A Chamuah, K Bhattacharya, CK Ghosh, S Bhattacharya
2022 International Interdisciplinary Conference on Mathematics, Engineering … 2022
2. Highly conducting nanophases of Ag2S–Se-Ge chalcogenide glassy systems: Explanations via computational descriptions
S Ojha, S Das, A Chamuah, M Roy, K Bhattacharya, T Chakraborty, …
Physica B: Condensed Matter 643, 413794 – 2022
3. Lithium Ion Glassy Electrolytes: Properties, Fundamentals, and Applications
S Bhattacharya, K Bhattacharya
Springer Nature – 2022
4. DC Electrical Conductivity as Major Electrical Characterization Tool
A Acharya, K Bhattacharya, CK Ghosh, S Bhattacharya
Lithium Ion Glassy Electrolytes: Properties, Fundamentals, and Applications … 2022
5. Methods of Preparation of Lithium Ion-Doped Glassy Systems
K Bhattacharya, S Bhattacharya
Lithium Ion Glassy Electrolytes: Properties, Fundamentals, and Applications … 2022
6. Lithium-Ion-Doped Glassy System
K Bhattacharya, S Bhattacharya
Lithium Ion Glassy Electrolytes: Properties, Fundamentals, and Applications … 2022
7. Dielectric Properties and Analysis of Some Li-Doped Glassy Systems
A Acharya, K Bhattacharya, CK Ghosh, S Bhattacharya
Lithium Ion Glassy Electrolytes: Properties, Fundamentals, and Applications … 2022
8. Electrochemical Applications
A Acharya, K Bhattacharya, CK Ghosh, S Bhattacharya
Lithium Ion Glassy Electrolytes: Properties, Fundamentals, and Applications … 2022
9. AC conductivity and electrical relaxation of a promising Ag2S-Ge-Te-Se chalcogenide glassy system
A Chamuah, S Ojha, K Bhattacharya, CK Ghosh, S Bhattacharya
Journal of Physics and Chemistry of Solids 166, 110695 – 2022
10. Transport properties of CdI2-doped silver ion conducting system: validation with first-principle DFT estimations
A Poddar, S Das, M Roy, K Bhattacharya, S Bhattacharya
Ionics 28 (5), 2285-2292 – 2022
11. Physical and electrical properties of promising chalcogenide glassy system doped with Ag2S
A Chamuah, K Bhattacharya, CK Ghosh, S Bhattacharya
Materials Today: Proceedings 66, 3218-3223 – 2022
12. Density of states, DC conductivity and physical properties of Ag2S-Ge–Te–Se chalcogenide glassy system
DCSB Anil Chamuah, Koyel Bhattacharya, Mir Sahidul Ali, Chandan Kumar Ghosh
Applied Physics A 127 (9), 656-665 – 2021
13. Charge carrier transport and electrochemical stability of Li2O doped glassy ceramics
A Acharya, K Bhattacharya, CK Ghosh, AN Biswas, S Bhattacharya
Materials Science and Engineering: B 260, 114612 – 2020
14. Electrical transport of chalcogenide glassy system: interpretation by Hunt’s model and microstructure
S Ojha, M Roy, A Chamuah, K Bhattacharya, S Bhattacharya
SN Applied Sciences 2, 1-7 – 2020
15. Microstructures and charge carrier transport of some Li2O doped glassy ceramics
A Acharya, K Bhattacharya, CK Ghosh, S Bhattacharya
Materials Letters 265, 127438 – 2020
16. Electrical Relaxation Studies of Chalcogenide xAg2S–(1-x)(0.5 S–0.5 Te) Glassy System
S Ojha, M Roy, A Chamuah, K Bhattacharya, S Bhattacharya
International journal of advanced Science and Engineering 6 (S2), 28-34 – 2020
17. Transport phenomena of Cu–S–Te chalcogenide nanocomposites: frequency response and AC conductivity
S Ojha, M Roy, A Chamuah, K Bhattacharya, S Bhattacharya
Physical Chemistry Chemical Physics 22 (42), 24600-24613 – 2020
18. AC conductivity and dielectric behavior of Cu-S-Te chalcogenide glassy system
S Ojha, M Roy, A Chamuah, K Bhattacharya, S Bhattacharya
Materials Letters 258, 126792 – 2020
19. Lithium ion conductivity in Li2O–P2O5–ZnO glass-ceramics
S Bhattacharya, A Acharya, AS Das, K Bhattacharya, CK Ghosh
Journal of Alloys and Compounds 786, 707-716 – 2019
20. Micromechanical hardness study and the effect of reverse indentation size on heat-treated silver doped zinc-molybdate glass nanocomposites
S Bhattacharya, R Kundu, K Bhattacharya, A Poddar, D Roy
Journal of Alloys and Compounds 770, 136-142 – 2019
21. Anomalous electrical conductivity in selenite glassy nanocomposites
AK Bar, K Bhattacharya, R Kundu, D Roy, S Bhattacharya
Materials Chemistry and Physics 199, 322-328 – 2017
22. V2O5-MoO3-ZnO thick film resistors as highly selective trace level ethanol gas sensors
AS Das, M Roy, DR Patil, K Bhattacharya, D Roy, S Bhattacharya
2017 1st International Conference on Electronics, Materials Engineering and … 2017
23. Electrical relaxation and grain boundary effect in CdI2 doped glass-nanocomposites
AK Bar, K Bhattacharya, R Kundu, D Roy, S Bhattacharya
Journal of Non-Crystalline Solids 452, 169-175 – 2016
24. Evolution of nc-Si network and the control of its growth by He/H2 plasma assistance in SiH4 at PECVD
D Das, D Raha, K Bhattacharya
Journal of Nanoscience and Nanotechnology 9 (9), 5614-5621 – 2009
25. Effect of deposition temperature on the growth of nanocrystalline silicon network from helium diluted silane plasma
K Bhattacharya, D Das
Journal of Physics D: Applied Physics 41 (15), 155420 – 2008
26. Nanocrystalline silicon prepared at high growth rate using helium dilution
K Bhattacharya, D Das
Bulletin of Materials Science 31, 467-471 – 2008
27. Superior nanocrystalline silicon network at enhanced growth rate
D Das, K Bhattacharya
Japanese Journal of Applied Physics 46 (11L), L1006 – 2007
28. Nanocrystalline silicon films prepared from silane plasma in RF-PECVD, using helium dilution without hydrogen: structural and optical characterization
K Bhattacharya, D Das
Nanotechnology 18 (41), 415704 – 2007
29. Characterization of the Si: H network during transformation from amorphous to micro-and nanocrystalline structures
D Das, K Bhattacharya
Journal of applied physics 100 (10) – 2006
30. Structural studies on the microcrystallization of Si:H network developed by hot-wire CVD
K Chakraborty
Solar Energy Materials and Solar Cells 90 (7-8), 849-863 – 2006
31. Lithium Ion Glassy Electrolytes
S Bhattacharya, K Bhattacharya