Dr. Samir Thakur M.Sc, Ph.D.
Assistant Professor
Department of Physics
Science College, Kokrajhar
Embedded Files
Researcher ID(s)______________________
Scopus (Author ID: 57201681638).
ORCID (orcid.org/0000-0002-9028-7724).
Web of Science Researcher ID (AAQ-4309-2020).
https://scholar.google.com/citations?user=GBlAKs0AAAAJ&hl=en
PhD details___________________________
Field of specialization: Computational Physics.
Title: Investigation of Structural, Electronic and Optical Properties of Functionalized Smart Materials.
Supervisor: Dr. Nirab Ch. Adhikary.
Institute: Institute of Advanced Study in Science and Technology (under DST Govt of India), Paschim Boragaon,
Gorchuk, Guwahati-781035, Assam, India.
Co-Supervisor: Dr. Sankar Moni Borah.
Institute: Physical Science Division, Dept. of Applied Sciences, Gauhati University, Guwahati-781014, Assam, India.
Education_____________________________
B. Sc. (Physics) Gauhati University.
M. Sc. (Physics) Gauhati University.
Ph. D.: IASST-Gauhati University.
Professional experience_____________________________________________________
Visiting PhD Student
Dept. of Physics and Astrophysics, University of Delhi, Delhi (2018)
Designed and optimized a MEMS-based capacitive bacteria sensor under collaborative research work for detecting the E. coli bacteria. The results obtained from the research work reveal that the device capacitance changes with change in bacteria concentration.
Project
Institute of Advanced Study in Science and Technology (Under DST Govt of India) Guwahati (2016)
Worked on HP ProLiant DL380G5, G7 and IBM X3400M3 Server in Linux Environment provided by Physical Science Division, IASST, Guwahati for DFT simulations. My responsibility was to study the platinum adsorption property of carbon nanotubes in the presence of different doping elements. The result obtained from the research work was presented in an international conference.
Internship
Indian Institute of Astrophysics, Bengaluru (2014)
Worked on Multi Aperture Scintillation Sensor (MASS) and Differential Image Motion Monitor (DIMM) Instrument, used in TMT group under Indian Institute of Astrophysics for atmospheric turbulence studies. My responsibility was to decouple the instrument, study its working principle independently as well as to make documentation of the application environment and operation mechanism along with the other necessary guidelines for the new users.
Training Program
IIT Guwahati. Guwahati (2013)
Worked on MEMS-based accelerometer and gyroscope sensor to measure pitch, roll and heading angle in real time domain which is in general used in Aerodynamics.
Skills___________________________________________________________________
Expertise in using computer programming languages like C, C++ FORTRAN and scripting languages like Python, R, Matlab etc.
Expertise in using high-end application packages like Gaussian09, Accelrys Materials Studio, COMSOL Multiphysics, MIT Electromagnetic Equation Propagation (MEEP), CP2K, Lumerical FDTD, SCAPS, Silvaco TCAD software for classical and quantum physics simulation.
High-Performance Computing.
Electronic structure method based on Density Functional Theory (DFT).
Light-matter interaction based on Classical Electrodynamics using Finite-difference time-domain method.
Wavelet Analysis.
Finite Element Method.
Expertise in handling high-end instruments like Oscilloscopes, Function generators, UV visible absorption spectrometers, Multi Aperture Scintillation Sensors (MASS) and Differential Image Motion Monitor (DIMM) etc.
Experience on working Param-Ishan Super Computer setup at Computer & Communication Centre, IIT Guwahati to compile and run serial and parallel jobs on DFT simulation.
Expertise in Robotics using 8-bit PIC and Atmega Microcontrollers with MEMS- based accelerometer, magnetometer, gyroscope and pressure sensors.
Accomplishments__________________________________________________________
Received poster award at the 2nd National Conference on Recent Advances in Science and Technology (NCRAST 2019), organized by Assam Science and Technology University from 15th to 17th May 2019.
AICTE-NEQIP Teaching and Research Assistantship from Gauhati University (June 2017).
Research Assistantship under TEQIP III Project provided by Dept. of Higher Education Ministry of Human Resource Development Govt. of India. (September 2017).
Received Visiting Student Intern fellowship from the Indian Institute of Astrophysics, Kormangala, Bengaluru (2014).
Recipient of the Post metric Scholarship (2010).
Recipient of Anundoram Borooah Award, from Planning and Development Dept. Govt of Assam (2008).
Professional affiliations______________________________________________________
Lifetime member of the Physics Academy of North East (PANE).
Lifetime member of Assam Science Society.
Lifetime participant in the Global Initiative of Academic Networks (GIAN) programme funded by the MHRD Govt. of India.
Certifications_____________________________________________________________
Diploma in Computer Applications, Career Development Unique Infotech (Computer Education) [3 months].
Diploma Course on Tally, Computer Education Centre, Gauhati University [3 months].
Course on High Performance Computing, IIT Guwahati.
Course on Python Programming, IIT Guwahati.
Course on Embedded systems: Design, Development & Applications, Brigosha Technologies.
Course on Matlab and Selected Application, Gauhati University.
Course on E-Learning Platform, IIT Guwahati.
Course on Density Functional Theory for Heterogeneous Catalysis, IIT Guwahati.
Publications in cited Journals (200+ Global Citations) ____________________________________
R. Sonkar, A. Pandey, M.P. Ghosh, Samir Thakur, D. Chowdhury, "Electronic Coupling and Plasmonic–Catalytic Synergism of Ni–Au-Decorated SnO2 Nanorods: A Combined Approach to Improved Charge Transport and Optoelectronic Application"
(Just Accepted in Current Applied Physics under Elsevier Publication 2026)
R. Sonkar, M.P. Ghosh, Samir Thakur, E. Saikia, D. Chowdhury, "Property Assessment of copper-doped SnO2 QDs and its use as ammonia sensor" Mater. Chem. Phys. 337 (2025) 130578.
https://www.sciencedirect.com/science/article/pii/S025405842500224X
N.J. Mondal, M.P. Ghosh, R. Sonkar, Samir Thakur, E. Saikia, D. Chowdhury, Temperature-dependent photocatalytic activity and emergence of weak ferromagnetism in cobalt-incorporated ZnSe quantum dots, Solid State Sci. (2025) 107827.
https://www.sciencedirect.com/science/article/pii/S1293255825000056
Samir Thakur, D. Saikia, A. Singh and N. C. Adhikary, "Impact of defect state in the structural, electronic and spectroscopic properties of graphene quantum dot by substituting heavy elements on the surface" J. Phys.: Conf. Ser. 2957 (2025) 012012
https://iopscience.iop.org/article/10.1088/1742-6596/2957/1/012012/meta
J. Deka, C. Kalita, R.K. Sarma, Samir Thakur, R.D. Sarkar, M.K. Debanath, N.C. Adhikary, E. Saikia, Photocatalytic and Antibacterial Activities of Alternanthera dentata Mediated Bio-nanocomposite of CuO Nanoparticles and DFT Study on the Selective Capping Behavior of Phytocompounds, J. Electron. Mater. 53 (2024) 6508–6523.
https://link.springer.com/article/10.1007/s11664-024-11344-x
R. Sonkar, N.J. Mondal, Samir Thakur, E. Saikia, M.P. Ghosh, D. Chowdhury, Cobalt-substituted ZnS QDs: a diluted magnetic semiconductor and efficient photocatalyst, Nanoscale Adv. 5 (2023) 7042–7056.
https://pubs.rsc.org/en/content/articlehtml/2023/na/d3na00836c
N.J. Mondal, R. Sonkar, Samir Thakur, N.Ch. Adhikary, D. Chowdhury, Structural Modification in Au-MoS2 Quantum Dot Composites for Improved Catalytic Efficiency in p -Nitrophenol Reduction, ACS Appl. Nano Mater. 6 (2023) 7351–7363.
https://pubs.acs.org/doi/abs/10.1021/acsanm.3c00475
Samir Thakur, S.M. Borah, A. Singh, D. Saikia, N.C. Adhikary, Roughness Effect on the Broadband Optical Performance and Extraordinary Local Field Enhancement in Metal Nanostructures, J. Electron. Mater. 52 (2023) 4878–4894.
https://link.springer.com/article/10.1007/s11664-023-10422-w
B. Basumatary, S. Podder, Samir Thakur, J. Bora, B. Sharma, S.M. Borah, N.Ch. Adhikary, D.S. Patil, A.R. Pal, Synergistic Effect of Au Interband Transition on Graphene Oxide/ZnO Heterostructure: Experimental Analysis with FDTD Simulation, ACS Omega. 7 (2022) 7662–7674.
https://pubs.acs.org/doi/abs/10.1021/acsomega.1c06333
S. Podder, J. Bora, Samir Thakur, D. Gogoi, B. Basumatary, S.M. Borah, N.C. Adhikary and A.R. Pal, Interband transition in plasmonic titanium nitride and its contribution towards ZnO based pyro-phototronic application, Mater. Chem. Phys. 275 (2022) 125290.
https://www.sciencedirect.com/science/article/pii/S0254058421010737
A. Singh, Samir Thakur, N.C. Adhikary, Analysis of spatial and temporal rainfall characteristics of the North East region of India, Arab J Geosci. 14 (2021) 885.
https://link.springer.com/article/10.1007/s12517-021-07266-1
A. Singh, Samir Thakur, N.C. Adhikary, Influence of climatic indices (AMO, PDO, and ENSO) and temperature on rainfall in the Northeast Region of India, SN Appl. Sci. 2 (2020) 1728.
https://link.springer.com/article/10.1007/s42452-020-03527-y
Samir Thakur, S.M. Borah, A. Singh, N.C. Adhikary, Investigating the electronic and nonlinear optical properties of fullerene by substituting N, P, As, and Sb in the lattice structure: a DFT study, Appl. Phys. A. 126 (2020) 130.
https://link.springer.com/article/10.1007/s00339-020-3300-7
Samir Thakur, S.M. Borah, N.C. Adhikary, A DFT study of structural, electronic and optical properties of heteroatom doped monolayer graphene, Optik. 168 (2018) 228–236.
https://www.sciencedirect.com/science/article/pii/S0030402618305928
Book Chapters________________________________________________________________________
Samir Thakur, S. M. Borah, A. Singh and N.C. Adhikary, “Study of Structural, Electronic and Interaction Mechanism of Functionalized Carbon Nanotubes with Oxygen”, Advances in Science and Technology; Vol II, pp. 49-54, (2021) McGraw Hill Education (India) Private Limited. ISBN: 978-93-90491-11-7.
A. Singh, Samir Thakur, N.C. Adhikary, “Analysis of Rainfall Events in Northeast Region of India”, Advances in Science and Technology”, Vol II, pp. 7-12, (2021) McGraw Hill Education (India) Private Limited. ISBN: 978-93-90491-11-7.
Conference presentations__________________________________________________________________
Samir Thakur, S. M Borah, A. Singh, D. Saikia and N. C. Adhikary,” Studies on structural, electronic and spectroscopic properties of Bi-doped graphene quantum dot”, presented in the National Conference on Science & Technology for Sustainable development (STSD-2022) in collaboration with IASST, Guwahati, India & NECTAR, held at Science College, Kokrajhar & Vijnana Bharati, NESM Shillong during 9th to 10th September 2022.
A. Singh, Samir Thakur and N. C. Adhikary,” Wavelet and scaling analysis of rainfall time series in northeast region of India and the influence of solar activity and galactic cosmic ray”, presented in the National Conference on Science & Technology for Sustainable development (STSD-2022) in collaboration with IASST, Guwahati, India & NECTAR, held at Science College, Kokrajhar & Vijnana Bharati, NESM Shillong during 9th to 10th September 2022.
Samir Thakur, A. Singh, S. M Borah and N. C. Adhikary,” Encapsulation of platinum-based anticancer drug into functionalised carbon nanotubes for efficient drug delivery application” presented in the Third International Conference on Material Science (ICMS 2020), held at Department of Physics, Tripura University (A Central University) during 4th to 6th March 2020.
Samir Thakur, S. M. Borah, A. Singh, N. C. Adhikary,” Adsorption of platinum-based anticancer drug in to functionalized single wall carbon nanotubes” presented in the International Young Scientist Conference, under Indian International Science Festival Kolkata, 2019 held at Biswa Bangla Convention Centre, Kolkata during 5th to 8th November 2019.
Samir Thakur, S. M. Borah, A. Singh and N. C. Adhikary,” Studies on structural, electronic and interaction mechanism of functionalized carbon nanotubes with oxygen” presented in the 2nd National Conference on Recent Advances in Science and Technology (NCRAST 2019) held at NEDFi Convention Centre, Guwahati organized by Assam Science and Technology University, during 15th to 17th May 2019.
Samir Thakur, Ashok Singh and N. C. Adhikary,” A Theoretical Study on Structural, Electronic and Optical Properties of Iodine doped functionalized graphene.” Presented at the International Conference on Advanced Materials for Energy Science and Technology (AMEST-2019) held at North-Eastern Hill University, Shillong, Meghalaya from 26th to 8th November 2019.
Samir Thakur, S. M. Borah, N. C. Adhikary,” A theoretical study on Structural, Electronic and Optical Properties of Heteroatom doped graphene” Presented in the National Conference on Applied Sciences, Sustainable & Evolving Technologies held at Central Institute of Technology Kokrajhar during 9th to 11th March 2018.
Samir Thakur, E. Saikia, N. C. Adhikary,” Platinum Adsorption Property of Carbon Nanotubes in presence of different doping agents for Fuel cell Application” Presented in the International Conference on Advances in Nanotechnology (iCAN 2017) held at Assam Don Bosco University during 9th to 13th January 2017.
Reviewer in _____________________________________________________________________________
Materials Today: Proceedings, Elsevier Publication.
Research interest_________________________________________________________________________
Atomic, Molecular and Optical Physics: Quantum Dots, Metal-semiconductor nanocatalysts, Carbon-based smart materials, Absorption and Scattering Optics, Band-gap Engineering, Nonlinear Optical Study, Plasmon Polariton Coupling, Plasmonics, MEMS devices, Bio-Physics Quantum chemistry, Drug delivery systems.
Computational Physics: Electronic structure method based on Density Functional Theory (DFT), Finite-difference time-domain method (FDTD) based on classical electrodynamics, High-Performance Computing, Wavelet Analysis, Finite Element Method.
Material Characterization: UV-Visible Absorption Spectrum, XRF & Single Crystal XRD.
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