Department of Physics

DEPARTMENTS

Engineering

Science

CENTRE

Dr. Raju Kumar Biswas

Assistant Professor

Computational Physics (DFT, DFPT, Machine Learning, Quantum Computing); Thermoelectricity; Opto-electronics; Energy Storage

Personal Webpage

Modeling Advanced Materials(MAM)

PROFESSIONAL BACKGROUND
From(Date of Joining)ToDesignationOrganisationNature of Association
17-03-2025ContinuingAssistant ProfessorNERISTRegular
March-2022March-2025Assistant ProfessorM S Ramaiah University of Applied Sciences (MSRUAS)Regular
April-2021March-2022Post-doctoral Research AssociateJawaharlal Nehru Centre for Advanced Scientific Research (JNCASR)Regular
August-2015July-2016Project AssistantPhysical Research Laboratory (PRL)Regular
HONORS AND AWARDS
AwardInstituteYear
Best ORAL Presentation Award in ICFPAP Conference

University of Science and Technology Meghalaya, Meghalaya2024
Research Grant of 37.15 LakhsANRF-DST2022
Best TALK AwardJNCASR In-house Symposium2020
AIR - 182 (National Level)CSIR-JRF2019
AIR - 26 (National Level)CSIR-JRF2015
MERIT-CUM MEANS SCHOLARSHIP (State Level)WEST BENGAL Govt. 2013
EDUCATIONAL QUALIFICATION
DegreeSubjectUniversityYear
PhDComputational PhysicsJawaharlal Nehru Centre for Advanced Scientific Research (JNCASR)2021
MScCondensed Matter PhysicsSavitribai Phule Pune University2015
BScPhysicsSiliguri College (University of North Bengal)2013
ADMINISTRATIVE BACKGROUND
FromToDesignationOrganisation
2025ContinuingLibrary Advisory Committee MemberNERIST
2026ContinuingNIRF Member (Physics)NERIST
2026ContinuingNodal officer for Yuva Sangam (EBSB) Phase VINERIST
MEMBERSHIPS IN PROFESSIONAL BODIES
  1. Member at Asian Consortium on Computational Materials Science (ACCMS)
  2. Life Member at Indian Physics Association (IPA)
  3. Regular Member at American Chemical Society (ACS)
  4. Life Member at Materials Research Society of India (MRSI)

TEACHING ENGAGEMENTS
TitleCourse CodeModuleSemester
Physics-IIPH2012026Odd
Physics-IPH1012025Even
Quantum Mechanics-IPH71042025Even
Quantum Mechanics for EngineersPH212012025Odd
M. Sc. THESIS SUPERVISED
Title of ProjectNames of Students
 Investigating Thermoelectric Performance of Zr-based Janus TMDs: A First-Principles ApproachShivani Vinod
Optimizing The Electronic and Carrier Transport Properties of ZrNiSn based Half – Heusler CompoundsPranjali N Kulkarni
Computational Study on the Thermoelectric Performance of ZrSe2/HfSe2 HeterostructuresSatarupa Banik
Accelerated Discovery of 3d/4d/5d Transition Metal based Chalcogenides using Machine Learning ApproachesSakshi Sanithy Vijay
 Carrier Transport Properties of WSe2 and WSe2(1-x)Te2xSalman Khan
PH.DS SUPERVISING
TopicScholar NameStatus of PhDRegistration Year
Exploring carrier transport properties of bulk phase of transition metal based chalcogenides for transport and thermoelectric applicationsDr. Tanu ChoudharyPhD Awarded (2025)2022
Exploring transition metal dichalcogenides (TMDs) based Janus monolayers for next-generation nanoelectronics and thermoelectric applicationsDr. Jipin P MPhD Awarded (2025)2022
PARTICIPATION IN SHORT TERM COURSES
Course NameSponsored ByDate
COURSES OR CONFERENCES ORGANISED/SPORSORED RESEARCH GRANT
Conference/Research Grant NameSponsored ByAmount (Lakhs)
"Investigation of Janus monolayer for flexible transistor, thermoelectric and optoelectronic device applications using first-principles and data-driven machine learning approaches"ANRF37.15
BOOK CHAPTER
PUBLICATIONS
  1. "Interface-mismatch-induced High Thermoelectricity in MSe-TlSe Superlattices", Shivani Vinod, Tanu Choudhary, and Raju K Biswas*, The Journal of Physical Chemistry C 130, 4894–4910 (2026).
  2. "Conductive Network Mediated Charge Transport and Phonon Dynamics in MSe/MTe (M = Ga, In) Superlattices for Enhanced Thermoelectric Performance", Tanu Choudhary, and Raju K Biswas*, ACS Appl. Energy Mater. xx, xxxx (2026). 
  3. "Exploring the role of interstitial occupation of cobalt on the thermoelectric properties of Co-excess Te-substituted skutterudite CoSb3", Chaklathy Devassy Saagar, Tanu Choudhary, Gowtham Venkatesan, Satyam Suwas, Raju K Biswas, and Ramesh Chandra Mallik*, ACS Appl. Energy Mater. 9, 3586–3600 (2026).    
  4. "Ultralow Lattice Thermal Conductivity and Distinctive Electronic Features lead Giant Thermoelectricity in Layered MSe (M = Ga, In, Tl)", Shivani Vinod, Tanu Choudhary, and Raju K Biswas*, ChemPhysChem  xx, xxxx (2026).  
  5. "Anomalous Carrier Transport Enhances Thermoelectricity in HfSe2/SnX2 (X = S, Se) based Heterostructures", Jipin Peter, Raju K Biswas*, Phys. Chem. Chem. Phys. 28, 5571–5586 (2026). 
  6. "Comparative Study of Thermoelectric Performance in InP3 and SnP3 Monolayers: Role of Electronic Structure and lattice dynamics", Tanu Choudhary, Raju K Biswas*, Frontiers of Multidisciplinary Research 1, 37-50 (2026). 
  7. "Thermoelectric performance of Janus monolayer embedded in MX2-based superlattice: A computational insight", Tanu Choudhary, Shivani Vinod, Raju K Biswas*, Phys. Chem. Chem. Phys.  28, 5288–5302 (2026). 
  8.  "Experimental and Theoretical Determination of the Grüneisen Parameter to Analyze the Density Effect on Anharmonicity and Thermal Conductivity in the NbCoSb System", Inder Kumar, Jipin Peter, Anjali Gawande, Gowtham Venkatesan, Praveen Kumar, Satyam Suwas, Raju K Biswas, Ramesh Chandra Mallik*, Phys. Chem. Chem. Phys. 27, 24872 (2025).
  9. "Ultra-low Lattice Thermal Conductivity and Superior Electronic Transport Properties Endow High Thermoelectric Performance in Sn0.5Pb0.5O Oxide-based Superlattice", Jipin Peter, Pranjali N Kulkarni, Shivani Vinod and Raju K Biswas*, Journal of Applied Physics 138, 205106 (2025). 
  10. "Deciphering Cationic/anionic Substitutions Decouple Phononic and Electronic Transport, Enabling High Thermoelectricity in Heterostructures", Jipin Peter and Raju K Biswas*, ACS Appl. Energy Mater. 8, 16051 (2025).  
  11. "Role of Phonon Scattering and Charge Delocalization on the Ultrafast Carrier Dynamics in CsPbBr₃/ZnS Heterostructures", Goutam Ghosh, Jipin Peter, Antika Das, Raju K Biswas, Amitava Patra*, J. Phys. Chem. Lett. 16, 11274 (2025).
  12. "Controlling Electronic Transport Properties in Half-Heusler Compound of Zr0.5Hf0.5NiSn through Isovalent and Aliovalent Substitutions", Shivani Vinod, Pranjali N Kulkarni, Jipin Peter, Raju K Biswas*, Physica Scripta 100, 095942 (2025).  
  13. "Role of p–p and d–p Orbital Interactions in Electronic Structure and Phonon Localization Driving High Thermoelectric Performance", Tanu Choudhary, Shivani Vinod, and Raju K Biswas*, Journal of Materials Chemistry C 13, 21075 (2025). 
  14. "Ultra-low Lattice Thermal Conductivity and High Thermoelectric Performance in Chiral-phonon Protected Heterostructures", Jipin Peter, Tanu Choudhary, Raju K Biswas*, Phys. Chem. Chem. Phys. 27, 15929 (2025).
  15. "Thermoelectric Properties of Bi-added Nb0.83CoSb with Induced Conductive Network and Co off-centring", Inder Kumar, Jipin Peter, Raju K Biswas, Ramesh Chandra Mallik*, ACS Appl. Energy Mater. 8, 9671 (2025).
  16. "Low Energy Shear Vibrations of Sb2 Bilayer Driving Ultralow Lattice Thermal Conductivity in Homologous (Sb2)m(Sb2Te3)n", Subarna Das, Shuva Biswas, Anita Gemmy Francis, Paribesh Acharyya, Raju K. Biswas, Anustoop Das, Jay Ghatak, Swapan K. Pati, Kanishka Biswas*, Advanced Energy Materials 2500688 (2025).
  17. "Decoding Unique Electronic and Phononic Features in Janus Systems Beneficial for Thermoelectricity", Shivani Vinod, Tanu Choudhary, and Raju K Biswas*, Journal of Applied Physics 137, 235103 (2025).
  18. "Identifying Key Descriptors in ZrSe2/HfSe2-based Heterostructures and Superlattices for Enhancing Thermoelectric Performance", Tanu Choudhary, Satarupa Banik, Jipin Peter and Raju K Biswas*, Phys. Chem. Chem. Phys. 27, 11708 (2025).
  19. "The Effect of Nd-Doping on Polymorphic Behavior and Dielectric Properties of HfO2: An Experimental Study and DFT Calculation", D. Banerjee*, Snehamoyee Hazra, Subarna Datta, Jipin Peter, Raju K Biswas, Barnali Ghosh, Journal of Alloys and Compounds 1029, 180724 (2025). 
  20. "Electronic Bandgap Prediction of Functionalized MX2 Based Materials using Machine Learning-aided and First-principles Studies", Jipin Peter, Sakshi Vijay, Tanu Choudhary, Raju K Biswas*, ChemistrySelect 10, e202500536 (2025).
  21. "Enhanced Thermoelectric Properties of 2D Janus Ferromagnetic LaBrI with Strain-induced Valley Degeneracy", Anuja Kumari*, Raman D. K, Tanu Choudhary, Raju K Biswas, Abhinav Nag, Santanu K. Maiti*, Jagdish Kumar, Phys. Rev. B 111, 155433 (2025).
  22. "Thermolectricity in Irradiated Bilayer Graphene Flakes", Cynthia Osuala*, Tanu Choudhary*, Raju K Biswas*, Sudin Ganguly*, Santanu Maiti*, The Journal of Physical Chemistry C 129, 3392 (2025).
  23. "Role of Nb vacancy and Sn substitution in modulating the thermoelectric properties of NbCoSb", Inder Kumar, Jipin Peter, Gyan Shankar, Padaikathan Pambannan, Satyam Suwas, Raju K Biswas, and Ramesh Chandra Mallik*, Phys. Rev. B 110, 205207 (2024).
  24. "Emergence of promising n-type thermoelectric material through conductive network and strong phonon softening", Jipin Peter, Tanu Choudhary, Raju K Biswas*, Journal of Materials Chemistry C 12, 10548 (2024).
  25. "Exploring Anisotropic Carrier Transport in WSe2-WTe2 Superlattices: A Computational Study", Tanu Choudhary, Jipin Peter, Raju K Biswas*, Langmuir 26, 13476 (2024).
  26. "Synergistic Effect of Phonon Localization and Band Convergence in WSe2-WTe2 Superlattice Lead to High Thermoelectric Performance", Tanu Choudhary, Jipin Peter, Raju K Biswas*, ACS Appl. Energy Mater. 12, 5149 (2024).
  27. "Computational Approach to Enhance Thermoelectric Performance of Ag2Se by S and Te substitutions", Raju K. Biswas*, Swapan K. Pati*, Phys. Chem. Chem. Phys. 26, 9340 (2024).
  28. "Computational Insight on Transport Properties of Re-doped Janus Monolayer WSeTe", Jipin Peter, Tanu Choudhary, Raju K Biswas*, Phys. Scr. 99, 025301 (2024).
  29. "Modulating the Carrier Relaxation Dynamics in Heterovalently (Bi3+) Doped CsPbBr3 Nanocrystals", Kritiman Marjit, Goutam Ghosh, Raju K Biswas, Srijon Ghosh, Swapan K. Pati,* and Amitava Patra*, J. Phys. Chem. Lett. 13, 5431-5440 (2022).
  30. "3d-Transition Metal doped Two-dimensional SnTe: Modulation of Thermoelectric Properties", Raju K Biswas, Paramita Banerjee, Swapan K. Pati*, Mater. Today Commun. 31, 103656 (2022).
  31. "Impacts of CsPbBr3/PbSe Heterostructures on Carrier Cooling Dynamics at Low Carrier Density", Goutam Ghosh, Raju K Biswas, Kritiman Marjit, Srijon Ghosh, Arnab Ghosh, Swapan K Pati*, Amitava Patra*, Adv. Optical Mater. 10, 2200030 (2022).
  32. "Achievement of Strain-Driven Ultrahigh Carrier Mobility in β-TeO2", Raju K. Biswas, Swapan K. Pati*, Materials Research Bulletin 141, 111343 (2021).
  33. "Discordant Gd and Electronic Band Flattening Synergistically Induce High Thermoelectric Performance in n-type PbTe", Moinak Dutta, Raju K. Biswas, Swapan K. Pati, and Kanishka Biswas*, ACS Energy Letters 6, 1625 (2021).
  34. "Exploring a Superlattice of SnO-PbO: A New Material for Thermoelectric Applications", Raju K. Biswas, Swapan K. Pati*, ACS Applied Energy Materials 4, 2081 (2021).
  35. "Elusive Co2O3: A combined experimental and theoretical study", Pavitra N. Shanbhag, Raju K. Biswas, Swapan K. Pati, A. Sundaresan*, and C. N. R. Rao, ACS Omega 5, 29009 (2020).
  36. "Phonon Localization and Entropy-Driven Point Defects Lead to Ultralow Thermal Conductivity and Enhanced Thermoelectric Performance in (SnTe) 1–2 x (SnSe) x (SnS) x", Subhajit Roychowdhury, Raju K. Biswas, Moinak Dutta, Swapan K. Pati, and Kanishka Biswas*, ACS Energy Letters 4, 1658 (2019).
  37. "Vibrational Spectra of MO (M=Sn, Pb) in their bulk and single-layer forms: Role of avoided crossing in their thermodynamic properties", Raju K. Biswas, Swapan K. Pati*, Bulletin of Materials Science 43, 322 (2020).
  38. "Broadband Colossal Dielectric Constant in the Superionic Halide RbAg4I5: Role of Intercluster Ag+ Diffusion", Paribesh Acharyya, Tanmoy Ghosh, Shidaling Matteppanavar, Raju K. Biswas, Premakumar Yanda, Srinivasa R. Varanasi, Dirtha Sanyal, Athinarayanan Sundaresan, Swapan K. Pati, and Kanishka Biswas*, The Journal of Physical Chemistry C 124, 9802 (2020).