2023 - PH 401: Mathematical Physics-I (3-1-0:4)

2023 - PH 542: Science and Technology of Thin Films (3-0-0: 3)

2023 - PH 701: CHARACTERIZATION TECHNIQUES AND NON-EQUILIBRIUM THERMODYNAMICS (3-0-0: 3)

• 1. Impact of dopant synergistic effects on SnO2 (110) surface and sub-surface layers for enhanced bidentate formaldehyde adsorption: a DFT study, S Gulshanah, A Bhattacharjee, Indian Journal of Physics, 1-9, 2025
• A Computational Exploration of 4F6T Orthoconic Antiferroelectric Liquid Crystal and Its Fluorinated Derivatives for Enhanced Nonlinear Optical Characteristics, A Chakraborty, K Garg, P Kula, D Bhattacharjee, A Bhattacharjee, International Journal of Thermofluids, 101254, 2025
• Pt-substituted rutile SnO2 (110) surface: first-principles study on its adsorption of formaldehyde, S Gulshanah, A Bhattacharjee, Indian Journal of Physics 98 (12), 4029-4038, 2024
•  Influence of proteins on the dielectric characteristics of 5CB and 8CB liquid crystals, A Satya, A Bhattacharjee, Liquid Crystals 51 (10), 1719-1729, 2024
• Unveiling the influence of fluorine substitution on NLO and vibrational Properties: A computational exploration of N-(4-decylphenyl)-1-(4-(pentyloxy) phenyl) methanimine liquid crystal derivatives, A Chakraborty, K Garg, D Bhattacharjee, A Bhattacharjee, Journal of Molecular Liquids 406, 125101, 2024
• Proposed prototype for a quantitative biosensor for insulin detection using a liquid crystal, A Satya, A Bhattacharjee, Journal of Molecular Liquids 404, 124968, 2024
• Exploring odd-even sensitivity in m.OnO.m liquid crystal compounds: A comprehensive study using DFT analysis (https://doi.org/10.1016/j.molliq.2024.124800) Journal of Molecular Liquids, 2024
• Insights into the dynamic symphony: a comprehensive computational exploration of pure and fluorinated 6O.6 liquid crystals with the help of DFT analysis, Liquid Crystals (http://dx.doi.org/10.1080/02678292.2024.2344222.)
• A study of three fluorinated terphenyl core liquid crystals: Thermodynamical, electrical, NLO and vibrational analysis, RK Sah, A Bhattacharjee, Journal of Molecular Structure 1324, 140832, 2025
•  Ammonia gas sensing by undoped and Cu doped tin oxide nanoparticles: A spectroscopic approach with Raman spectroscopy as the sensing tool, K Bhuyan, D Bhuyan, A Bhattacharjee, Journal of Physics: Conference Series 2957 (1), 012008, 2025
• Proposed biosensor for the detection of Bovine Serum Albumin using 7CB liquid crystals: A preliminary study, A Satya, A Bhattacharjee, International Journal of Biological Macromolecules 289, 138881, 2025
• Adsorption of ɳ2 (O, C)-tilted formaldehyde geometry on transition metal substituted p (2× 1) SnO2 (1 1 0) surface: A first-principles analysis, S Gulshanah, A Bhattacharjee, Chemical Physics 589, 112511, 2025
• Experimental and theoretically generated Raman studies with POM texture studies in different phases of a fluorinated liquid crystalline compound, RK Sah, P Kula, A Bhattacharjee, Molecular Crystals and Liquid Crystals 769 (1), 10-23, 2025
• Phase transition studies of a fluorinated antiferroelectric liquid crystal probed by temperature dependent Raman spectroscopy, RK Sah, P Kula, A Bhattacharjee
• Journal of Molecular Liquids 416, 126490, 2024
• Computational studies of the optical properties of 4-cyano-4-hexyl biphenyl using a combination of DFT and molecular dynamics simulation, D D Wahlang, A Bhattacharjee
• Liquid Crystals, 1-10, 2024
• Electronic, thermodynamic, NLO, and spectroscopic properties of OAFLC compounds via DFT: A focus on 1F6B, 1F6Bi, 1F6BiN, and 1F6BN, A Chakraborty, K Garg, P Kula, D Bhattacharjee, A Bhattacharjee, Journal of Molecular Liquids 414, 126234, 2024
• Effect of alkyl chains on the structural and optical properties of nH6BiN orthoconic antiferroelectric liquid crystals: Insights from DFT calculations, A Chakraborty, K Garg, P Kula, D Bhattacharjee, A Bhattacharjee, Journal of Molecular Liquids 414, 126237, 2024
• A DFT analysis of thermodynamical, structural and non-linear optical properties of liquid crystalline compounds (5O. m, m= 14, 16), K Garg, A Chakraborty, A Bhattacharjee, SP Choudhury, S Kumari, Debanjan Bhattacharjee, Journal of Molecular Liquids 414, 126124, 2024
• Theoretical studies and temperature-dependent Raman spectroscopy of Schiff's bases 5O. 12 liquid crystalline compound, K Garg, A Chakraborty, PR Alapati, A Bhattacharjee, D Bhattacharjee, Journal of Molecular Structure 1315, 138867, 2024
• A Detailed Exploration of the Impact of Fluorination on Different Physical Properties in 5O.12 Schiff-based Liquid Crystal: A DFT Approach Chemical Physics, Impact (2024 https://doi.org/10.1016/j.chphi.2024.100596),
• Theoretical Investigation of N (p-n alkyloxy benzylidene) p-n alkyl aniline Schiff-Based Liquid Crystal Molecule Physica B: Condensed Matter  (https://doi.org/10.1016 /j.physb. 2024. 415857)
• A comparative DFT analysis of chiral laterally semi-fluorinated liquid crystals, O Khan, S Gandhi, D Gupta, A Bhattacharjee, Physica Scripta 99 (2), 025983, 2024
• Quantum Mechanical Density Functional Approach for the Studies of Nonlinear Optical and Reactivity Parameter of 5O.5   NanoWorld  Journal (https://doi.org/ 10.17756/nwj.2023-s5-044) (Conference Paper)
• Optical, Impedance, and DFT Study of Ternary SnO2-Fe-Cu Nanoparticles, SP Choudhury, N Sharma, BB Narzary, N Kumari, PK Sarkar, Ayon Bhattacharjee, ECS Journal of Solid State Science and Technology 12 (10), 103013, 2023
• Exploring odd-even sensitivity in m.OnO.m liquid crystal compounds: A comprehensive study using DFT analysis (https://doi.org/10.1016/j.molliq.2024.124800)
• Insights into the dynamic symphony: a comprehensive computational exploration of pure and fluorinated 6O.6 liquid crystals with the help of DFT analysis (http://dx.doi.org/10.1080/02678292.2024.2344222.)
• 29.   A Detailed Exploration of the Impact of Fluorination on Different Physical Properties in 5O.12 Schiff-based Liquid Crystal: A DFT Approach (https://doi.org/10.1016/j.chphi.2024.100596)
• Theoretical Investigation of N (p-n alkyloxy benzylidene) p-n alkyl aniline Schiff-Based Liquid Crystal Molecule (https://doi.org/10.1016/j.physb.2024.415857)
• Quantum Mechanical Density Functional Approach for the Studies of Nonlinear Optical and Reactivity Parameter of 5O.5 Liquid Crystal (https://doi.org/10.17756/nwj.2023-s5-044)
• Comparative studies of DFT and experimental Raman spectra of pure 5O. 14 liquid crystalline compoundD Bhattacharjee, PR Alapati, A Bhattacharjee, Liquid Crystals, 1-10, 2023
• Observation of new mesophases and detailed QM analysis of terephthalylidene-bis-[4-n-decylaniline] liquid crystal moleculeD Gupta, P Kalita, A Bhattacharjee, Journal of Molecular Structure 1269, 133815, 2022
• Interactions of a biological macromolecule with thermotropic liquid crystals: Applications of liquid crystals in biosensing platform P Kalita, RK Singh, A Bhattacharjee, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 278, 121347, 2022
• Detection of human serum albumin by room temperature nematic liquid crystals based on polarising microscopy, molecular docking and Raman spectroscopy, P Kalita, A Bhattacharjee, Liquid Crystals 49 (6), 886-898, 2022
• Interactions investigated by the spectroscopic, microscopic and molecular docking studies for liquid crystal-based biosensorP Kalita, RK Singh, A Bhattacharjee, Liquid Crystals 49 (3), 297-311, 2022
• Thermotropic liquid crystals in the detection of albumins through a microscopic, spectroscopic and computational approachP Kalita, RK Singh, A Bhattacharjee, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 265, 120374, 2022
• Enhanced blue-shift of the optical band gap in Cd-doped ZnO nanoparticles, A Ghosh, N Kumari, SP Choudhury, S Tewari, A Bhattacharjee, Materials Today: Proceedings 68, 215-222, 2022
• Potential liquid crystal-based biosensor depending on the interaction between liquid crystals and proteins, P Kalita, SS Shukla, RK Singh, A Bhattacharjee, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 254, 119634, 2021
• Investigation of a partially fluorinated chiral antiferroelectric liquid crystalline material with large negative dielectric anisotropy, D Gupta, P Kula, A Bhattacharjee, Journal of Molecular Liquids 331, 115704, 2021
• Detailed analysis of a room temperature antiferroelectric liquid crystalline material forming polar mesophases, D Gupta, P Kula, A Bhattacharjee, Journal of Molecular Liquids 327, 114859, 4, 2021
• Computational, dielectric and electro-optical analysis of an orthoconic antiferroelectric mesogen having superstructure in its reduced symmetry phase, D Gupta, P Kula, A Bhattacharjee, Ferroelectrics 572 (1), 258-276, 2021
• Mesomorphic, electro-optic and dielectric behaviour of a semi-fluorinated chiral liquid crystalline material forming polar smectic phases, D Gupta, P Kula, A Bhattacharjee, Journal of Molecular Structure 1219, 128557, 2020
• Detailed investigation of N-(4-n-pentyl-oxybenzylidene)-4?-n-hexylaniline liquid crystal molecule, D Gupta, A Bhattacharjee, Journal of Molecular Structure 1196, 66-77, 2019
• Comparative Raman study of two laterally fluorinated LC compounds having different terminal chains, M Lyndem, R Dabrowski, A Bhattacharjee, Liquid Crystals 46 (7), 1145-1155, 2019
• Raman and FTIR Study of a 2, 3'-difluoro-4''-isothiocyanato-4-propyl-1, 1': 4', 1''-terphenyl compound or C3P (3F) P (3F) P-NCS, M Lyndem, A Bhattacharjee, R Dabrowski, Molecular Crystals and Liquid Crystals 681 (1), 45-57, 2019
• Experimental and DFT generated Raman study of two bent-core monomeric liquid crystalline compounds, D Bhattacharjee, R Mishra, R Dabrowski, A Bhattacharjee, Liquid Crystals 46 (3), 367-375, 2019
• Temperature-dependent Raman study of pure and silver nanoparticles dispersed N-(4-n-heptyloxybenzylidene)-4’-n-butylaniline (7O. 4), R Mishra, A Bhattacharjee, D Bhattacharjee, KN Singh, PR Alapati, Liquid Crystals 46 (3), 327-339, 2019
• Birefringence, polarizability order parameters and DFT calculations in the nematic phase of two bent-core liquid crystals and their correlation, D Bhattacharjee, TK Devi, R Dabrowski, A Bhattacharjee, Journal of Molecular Liquids 272, 239-252, 2018
• Sensing of ammonia gas by undoped and aluminum-doped tin oxide nanoparticles by Raman spectroscopy, K Bhuyan, A Bhattacharjee, PR Alapati, Pramana 91 (3), 32, 2018
• Temperature-dependent vibrational spectroscopic studies of pure and gold nanoparticles dispersed 4-n-Hexyloxy-4’-cyanobiphenyls, R Mishra, A Bhattacharjee, D Bhattacharjee, KN Singh, B Gogoi, P R Alapati, Liquid Crystals 45 (9), 1333-1341, 2018
• Humidity-dependent impedance and dft analysis of pure and cu-doped SnO2 thin films, SP Choudhury, D Bhattacharjee, A Bhattacharjee, Surface Review and Letters 25 (05), 1850106, 2018
• Theoretical investigation of nonlinear optical and vibrational properties of two liquid crystalline compounds, D Bhattacharjee, R Dabrowski, A Bhattacharjee, Journal of Molecular Liquids 255, 80-92, 7, 2018
• Comparative experimental optical studies on 7. O5O. 7 dimeric liquid crystal compound using theoretical models, D Bhattacharjee, PR Alapati, A Bhattacharjee, Liquid Crystals 45 (4), 586-592, 2018
• Study of structural, electrical and optical properties of Ni-doped SnO2 for device application: experimental and theoretical approach, SP Choudhury, N Kumari, A Bhattacharjee, Journal of Materials Science: Materials in Electronics 28, 18003-18014, 2017
• Study of the effect of temperature on the optical properties of a laterally Fluorinated LC compound, M Lyndem, R Dabrowski, A Bhattacharjee, Molecular Crystals and Liquid Crystals 658 (1), 81-91, 2017
• Impedance Spectroscopy of Fe-Doped SnO2 Synthesized by Poly (ethyleneglycol) Assisted Chemical Co-Precipitation Method, SP Choudhury, K Bhattacharya, N Kumari, A Ghosh, A Bhattacharjee, Journal of Nanoscience and Nanotechnology 17 (8), 5453-5460, 2017
• Sensing of 0.1 ppm of methanol, ethanol, and propanol vapors at 130°C by SnO2 thin film, SP Choudhury, A Bhattacharjee, Particulate Science and Technology 35 (3), 314-321, 2017
• Electrical properties of interdigitated partially bent like shaped liquid crystalline compound, D Bhattacharjee, PR Alapati, A Bhattacharjee, Molecular Crystals and Liquid Crystals 648 (1), 66-76, 2017
• Study of dielectric properties and the molecular dynamics using Raman spectroscopy in pure and nanoparticle doped liquid crystal compound, 6O. 4, B Gogoi, KN Singh, R Mishra, TK Ghosh, A Bhattacharjee, PR Alapati, Molecular Crystals and Liquid Crystals 646 (1), 3-13, 2017
• Impedance Spectroscopy of Fe-Doped SnO, SP Choudhury, K Bhattacharya, N Kumari, A Ghosh45, A Bhattacharjee, Nanoscience and  Nanotechnology 17, 1-8, 2017
• 62.   Optical parameter measurements of a nO.m liquid crystalline compound, K Thingujam, A Bhattacharjee, B Choudhury, PR Alapati, NISCAIR-CSIR, India, 2017
• 63.   Molecular polarization, order parameter and dielectric study of a dimeric compound, D Bhattacharjee, PR Alapati, A Bhattacharjee, Journal of Molecular Liquids 224, 507-514, 2016
• 64.   Studies on frequency dependent electrical and dielectric properties of sintered zinc oxide pellets: effects of Al-doping, S Tewari, A Ghosh, A Bhattacharjee, Indian Journal of Physics 90 (11), 1247-1255, 2016
• 65.   Birefringence and temperature-gradient refractive index study of a laterally Fluorinated Terphenyl LC compound, M Lyndem, D Bhattacharjee, R Dabrowski, A Bhattacharjee, Journal of Physics: Conference Series 759 (1),  012016, 2016
• 66.   Negative optical anisotropic behaviour of two higher homologues of 5O. m series of liquid crystals, D Bhattacharjee, PR Alapati, A Bhattacharjee, Journal of Molecular Liquids 222, 55-60, 2016
• 67.   Optical studies of a binary liquid crystal mixture exhibiting induced smectic A phase, K Thingujam, A Bhattacharjee, B Choudhury, SD Sarkar, Applied Physics A 122, 1-10, 2016
• 68.   Negative Birefringence in the Higher Homologs of the 5O.m Series of Liquid Crystals, D Bhattacharjee, PR Alapati, A Bhattacharjee, The Journal of Physical Chemistry B 120 (27), 6747-6753, 2016
• 69.   Correlation between the density and refractive index with higher homologues 5O. m series, D Bhattacharjee, SP Choudhury, A Bhattacharjee, Molecular Crystals and Liquid Crystals 631 (1), 69-73, 2016
• 70.   Methanol sensing by SnO2 pellets prepared by chemical route method, SP Choudhury, N Kumari, D Bhattacharjee, A Bhattacharjee, AIP Conference Proceedings 1728 (1), 2016
• 71.   Dielectric relaxation and birefringence study of 7. O5O. 7 dimeric liquid crystal compound, D Bhattacharjee, S Paul-Choudhury, PR Alapati, A Bhattacharjee, AIP Conference Proceedings 1728 (1), 2016
• 72.   Enhanced surface activity of SnO2 thin film verified by LM algorithm, SP Choudhury, N Kumari, A Bhattacharjee, Superlattices and Microstructures 92, 24-36, 2016
• 73.   Nematic liquid crystals exhibiting high birefringence, K Thingujam, A Bhattacharjee, B Choudhury, R Dabrowski, Optical Review, 1-11, 2016
• 74.   Nematic liquid crystals exhibiting high birefringence, RS D?browski, A Bhattacharjee, B Choudhury, K Thingujam, Optical Review 3 (23), 2016
• 75.   Facile synthesis of SnO2 thin film by spray pyrolysis technique, investigation of the structural, optical, electrical properties, SP Choudhury, SD Gunjal, N Kumari, KD Diwate, KC Mohite, A. Bhattacharjee, Materials Today: Proceedings 3 (6), 1609-1619, 2016
• 76.   Structural, electrical and optical studies on ruthenium doped ZnO pellets for device applications, A Ghosh, N Kumari, S Tewari, A Bhattacharjee, Materials Science and Engineering: B 196, 7-14, 34, 2015
• 77.   Density and phase transition study of the liquid crystal compound 50.16, D Bhattacharjee, A Bhattacharjee, AIP Conference Proceedings 1661 (1), 2015
• 78.   Influence of Cu doping on the structural, electrical and optical properties of ZnO, Ayon Bhattacharjee ARINDAM GHOSH, NAVNITA KUMARI, Pramana 84 (4), 621-635, 2014
• 79.   Investigation of structural and electrical transport mechanism of SnO2 with Al dopants, N Kumari, A Ghosh, A Bhattacharjee, Indian Journal of Physics 88, 1059-1066, 2014
• 80.   Investigation of structural and electrical properties of CuO modified SnO2 nanoparticles, N Kumari, A Ghosh, A Bhattacharjee, Materials science in semiconductor processing 19, 114-123, 2014
• 81.   Study of optical parameters of two fluorinated isothiocyanato nematic liquid crystals exhibiting high birefringence, TK Devi, B Choudhury, A Bhattacharjee, R Dabrowski, Opto-Electronics Review 22, 24-30, 2014
• 82.   Comparative X-ray diffraction study of SnO2 nanoparticle samples from different precursor solutions, SP Choudhury, N Kumari, A Bhattacharjee, Cell 69, 71-281, 2014
• 83.   Investigations on structural and optical properties of Cu doped ZnO, A Ghosh, N Kumari, A Bhattacharjee, J. Nanosci. Nanotechnol 2 (4), 485-489, 2014
• 84.   Synthesis, structural and optical properties of Al doped SnO2 nanoparticles, N Kumari, A Ghosh, S Tewari, A Bhattacharjee, Indian Journal of Physics 88, 65-70, 2014
• 85.   Structural and optical properties of pure and Al doped ZnO nanocrystals, A Ghosh, N Kumari, S Tewari, A Bhattacharjee, Indian Journal of Physics 87, 1099-1104, 2013
• 86.   Optical studies of a liquid crystalline compound 6O. 6, KD Thingujam, PR Alapati, B Choudhury, A Bhattacharjee, Liquid Crystals 40 (6), 810-816, 2013
• 87.   Structural, electrical and optical properties of sintered SnO2 pellets, N Kumari, A Ghosh, S Tewari, A Bhattacharjee, Materials science in semiconductor processing 16 (3), 905-914, 2013
• 88.   Effect of temperature on the refractive indices of liquid crystals and validation of a modified four-parameter model, K Thingujam, S Sarkar, B Choudhury, A Bhattacharjee, Acta Physica Polonica A 122 (4), 754-757, 2012
• 89.   Studies on structural, electrical and dielectric properties of thermally evaporated cadmium sulphide (CdS) thin films, S Tewari, A Bhattacharjee, Institute of Fundamental Studies: Kandy, 2011
• 90.   Structural, electrical and optical studies on spray-deposited aluminium-doped ZnO thin films, S Tewari, A Bhattacharjee, Pramana 76, 153-163, 2011
• A review of liquid crystal dimers TK Devi, A Bhattacharjee, Assam University Journal of Science and Technology 5 (2), 225-228, 2010
• Studies on AC conductivity of spray deposited ZnO thin films, S Tewari, A Bhattacharjee, PP Sahay, Assam University Journal of Science and Technology 5 (2), 216-219, 2010
• A comparative study of the properties of the liquid crystalline compounds 50.5 and 50.6 in solid, solution and thin film forms by laser Raman spectroscopy, PR Alapati, A Bhattacharjee, AL Verma, 2010
• Synthesis and characterization of Cadmium Chalcogenide CdX (X= S, Te) thin films, S Tewari, A Bhattacharjee, Int. J. Chem. Sci. 7 (1), 105-115,            2009
• Structural, dielectric, and electrical studies on thermally evaporated CdTe thin films, S Tewari, A Bhattacharjee, PP Sahay, Journal of Materials Science 44, 534-540, 2009
• Degree of charge transfer in the mixed stack donor-acceptor charge transfer complex of C~ 1~ 8TCNQ and TMB probed by laser Raman spectroscopy, A Bhattacharjee, AL Verma, Indian Journal Of Physics And Proceedings Of The Indian Association For The Cultivation Of Physics, 2005
• Laser Raman studies on compounds 7. O4O. 7 and 7. O5O. 7, B Gogoi, A Bhattacharjee, PR Alapati, AL Verma, Liquid crystals 30 (8), 931-938, 2003
• A comparative study of the properties of the liquid crystalline compounds 5O. 5 and 5O. 6 in solid, solution and thin film forms by laser Raman spectroscopy, A Bhattacharjee, PR Alapati, AL Verma, Liquid crystals 29 (5), 725-731, 2002
• Dynamics of phase transitions in a liquid crystal probed by Raman spectroscopy, A Bhattacharjee, PR Alapati, AL Verma, Liquid Crystals 28 (9), 1315-1320, 2001
• Dynamics of electric-field-induced molecular reorientation of a surface-stabilized antiferroelectric liquid crystal in the smectic-C* phase probed by time-resolved infrared, AL Verma, B Zhao, A Bhattacharjee, Y Ozaki, Physical Review E 63 (5), 051704, 20011.

1. Professor (I/c), Sitimon Sawian Centre for Inclusive Education, 23/08.2024 till date
2. Professor (i/c) Internal Audit, 3/4/2025 till date
3. Dean (Faculty Welfare), from 1/07/2021 to 31/07/2024
4. Dean (Research and Consultancy), from 11/07/2018 to 30/06/2021
5. Registrar, NIT Meghalaya, from 22/05/2017-08/01/2018
6. TEQIP Coordinator, from 01/01/2017 til the end of project (31/3/2022)
7. Chairman, Exam Cell, from Aug 2013 to July 2014
8. Associate Dean (Research & Consultancy), from July 2014 -June 2017

1. Lecturer, Department of Physics, St. Anthony's College, Shillong (May 2003 - Sept 2005)

2. Assistant Professor, Department of Physics, National Institute of Technology Silchar, Assam (Oct 2005 - July 2013)

3. Associate Professor, Department of Physics, National Institute of Technology Meghalaya, Meghalaya,  ( July 2013 -Nov 2017)

4.  Professor, Department of Physics, National Institute of Technology Meghalaya, Meghalaya,  ( Nov 2017 - till date)