No Record Found.

Journal
• A study comparing the impact of Hubbard U-driven d d electron correlation in density functional theory on the structural and physical properties of Mn3+ and Mn4+ manganites by P S., Roy A. , Das T. Physica B: Condensed Matter 728 4183871-41838711 (2026)
• Nontrivial phonon dynamics and significant electron-phonon coupling of the high-frequency modes in a Dirac semimetal by Swain D., Dey A., Roy A., Saha K., Das S.D. Physical Review B 111 - (2025)
• Microscopic machinery for ion-triggered drug release from gold nanoparticles-drug conjugates - Optical spectroscopy and molecular dynamics studies by C. P. K., Burada P. S., Roy A. , Dasgupta S. Physical Review E 111 054405- (2025)
• Crosstalk between lattice-spin electron dynamics at spin textures and across multiple magnetic-electronic phases in L a1-x S rxMn O3 (x=0.125, 0.175) by Mekap S., Tiwari J.K., Baro A., Das T., Ghosh S., Roy A. Physical Review B 109 - (2024)
• Evidences for local non-centrosymmetricity and strong phonon anomaly in EuCu2As2: a Raman spectroscopy and lattice dynamics study by Swain D., Dey Sarkar M., Ptok A., Vaitheeswaran G., Roy A., D Das S. Journal of Physics Condensed Matter 36 - (2024)
• Cationic substitution engineering in GdInO3 at A-site: Insights into phase evolution and search for compositionally tailored relaxors by Chahal J., Shukla R., Srinivasu K., Kumar N., Phapale S., Roy A., Grover V. Materials Chemistry and Physics 317 - (2024)
• Correlation between oxygen-related defects and lattice strain in tetragonal phase stabilized doped-zirconia systems by Mishra S., Kumar L. , Firoz M. K., Lakshya A. K., Chowdhury A. , Roy A. Materialia 32 101895--10 (2023)
• Decoupling the roles of defects/impurities and wrinkles in thermal conductivity of wafer-scale hBN films by Bera K., Chugh D. , Bandopadhyay A. , Tan H. H., Roy A. , Jagadish C. Journal of Applied Physics 134 1551081-10 (2023)
• Possible Raman signature of broken symmetry states near the quantum critical point in P doped BaFe2As2: Experiment and theory by Swain D., Ghosh S. , Bera K. , Friedemann S. , Ghosh H. , Roy A. , Das S. D. Physica C: Superconductivity and its applications 606 13542111-9 (2023)
• Analog Raychaudhuri equation in mechanics by Bhatt R. P., Roy A. , Kar S. Resonance Journal of Science Education 28 389-410 (2023)
• Intertwined spin and phonon correlations across the magnetic compensation temperature in magnetoelectric Li0.5Fe2.5 xCrxO4 by Patnaik P. S., Kumar A. , Roy A. , Yusuf S. M. Physical Review B 108 0144381-10 (2023)
• Understanding the origin of mobility enhancement in wedge-shaped c-GaN nanowall networks utilizing spectroscopic techniques by Kaur A., Bera K., Yadav S.K., Shivaprasad S.M., Roy A., Dhar S. Journal of Applied Physics 132 1943051-1943059 (2022)
• Nd3+-Y3Al5O12 system: Iso-valent substitution driven structural phase evolution and thermo-physical behavior by Bhandari K., Grover V., Roy A., Sahu M., Shukla R., Banerjee J. Journal of Molecular Structure 1264 1332061-13320611 (2022)
• Selective electronic excitations in nearly half-metallic Heusler alloy NiFeMnSn - A Raman spectroscopic study by Bera K., Mukherjee S., Mukadam M., Mondal S., Firoz M.K., Vaitheeswaran G., Roy A., Yusuf S.M. Applied Physics Letters 121 - (2022)
• Non-thermal and thermal effects on mechanical strain in substrate-transferred wafer-scale hBN films by Bera K., Chugh D., Tan H.H., Roy A., Jagadish C. Journal of Applied Physics 132 - (2022)
• Spectropathologic endorsement of ocular carotenoids for early detection of diabetic retinopathy by Singh A. K., Karjee H. , Ghosh S. , Chatterjee J. , Roy A. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 268 1206761-1206768 (2022)
• Role of defects and grain boundaries in the thermal response of wafer-scale hBN films by Bera K., Roy A., Chugh D., Wong-Leung J., Hoe Tan H., Jagadish C. Nanotechnology 32 - (2021)
• Biomolecular response to hour-long ultralow field microwave radiation: An effective coarse-grained model simulation by Singh A. K., Burada P. S., Roy A. Phy. Rev. E 103 042416- (2021)
• (Y1-xNdx)3Zr5O14.5 solid solutions as inert matrices: Phase evolution, order-disorder dynamics and thermophysical behavior by Bhandari K., Grover V., Roy A., Bhatt R., Banerjee J., Tyagi A.K. Materials Today Communications 27 - (2021)
• Spin-liquid signatures in geometrically frustrated layered kagome compounds YBaCo4 xFexO7+ by Hazra S., Bera A. K., Chatterjee S. , Roy A. , Yusuf S. M. Phys. Rev. B 104 1444181-1444189 (2021)
• Strain distribution in wrinkled hBN films by Bera K., Chugh D. , Patra A. , Tan H. H., C J. , Roy A. Solid State Communications 113847--113847- (2020)
• Phase integrity of zinc oxide doped zirconia under low compacting pressure by Mishra S., Kumar K. , Patra A. , Chowdhury A. , Roy A. Journal of Alloys and Compounds 155927--155927-1 (2020)
• Restriction of microwave-induced amyloid fibrillar growth by gold nanoparticles by Singh A. K., Bhattacharya S. , Halder K. , Dasgupta S. , Roy A. International Journal of Biological Macromolecule 151 212-219 (2020)
• Physics of a particle on a rotating hoop: experiment and theory by Lodha K., Roy A. , Kar S. Resonance, journal of science education 25 1261-1281 (2020)
• Raman spectral probe and unique fractal signatures for human serum with diabetes and early stage diabetic retinopathy by Singh A.K., Mazumder A.G., Halder P., Ghosh S., Chatterjee J., Roy A. Biomedical Physics and Engineering Express 5 - (2019)
• Strain distribution in (InAs)n (InSb)m multilayer: A first principles calculations by Patra A., Chatterjee S. , Roy A. Solid State Communications 291 24-27 (2019)
• Electronic band structure engineering in InAs/InSbAs and InSb/InSbAs superlattice heterostructures by Patra A., Chakroborty M. , Roy A. Journal of Applied Physics 125 0257041-0257045 (2019)
• Manipulation of polarization anisotropy in bare InAs and InAs/GaSb core-shell nanowires by Patra A., Roy A., Gomes U.P., Zannier V., Ercolani D., Sorba L. Applied Physics Letters 112 - (2018)
• Manipulation of polarization anisotropy in bare InAs and InAs/GaSb core-shell nanowires by Patra A., Roy A. , Gomes U. , Zannier V. , Ercolani D. , Sorba L. Applied Physics Letters 112 1531041-1531045 (2018)
• Rare earth indates (RE: La-Yb): influence of the synthesis route and heat treatment on the crystal structure by Shukla R., Grover V., Srinivasu K., Paul B., Roy A., Gupta R., Tyagi A.K. Dalton Transactions 47 6787-6799 (2018)
• 1 Rare earth indates (RE: La-Yb): Influence of synthesis route and heat treatment on crystal structure by Shukla R., Grover V. , Srinivasu K. , Paul B. , Roy A. , Gupta R. , Tyagi A. K. Dalton Transactions - (2018)
• Microwave-radiation-induced molecular structural rearrangement of hen egg-white lysozyme by Singh A. K., Burada P. S., Bhattacharyya S. , Nag S. , Bhattacharya A. , Dasgupta S. , Roy A. Physical Review E 97 052416-052426 (2018)
• Revealing magnetic ordering and spin-phonon coupling in Y1 x Tb x MnO3 (0.1x0.3) compounds by Chakraborty K., Paul B. , Shukla R. , Krishna P. , Kumar A. , Mukadam M. D., Mandal B. P., Roy A. , Tyagi A. K., Yusuf S. M. Journal of Physics Condensed Matter 29 155804- (2017)
• Appearance of Fröhlich-like phonon mode and defect dynamics in La3+-doped ceria by B. P., Kumar K. , Chowdhury A. , Roy A. Journal of Applied Physics 122 1351081-1351088 (2017)
• Geometrically frustrated GdInO3: An exotic system to study negative thermal expansion and spin-lattice coupling by Paul B., Chatterjee S. , Roy A. , Midya A. , Mandal P. , Grover V. , Tyagi A. K. Physical Review B 95 05413- (2017)
• Evolution of lattice dynamics in ferroelectric hexagonal REInO3 (RE=Ho, Dy, Tb, Gd, Eu, Sm) perovskites by Paul B., Chatterjee S. , Gop S. , Roy A. , Grover V. , Shukla R. , Tyagi A. Materials Research Express 3 0757031-07570312 (2016)
• A comparative study on electrical and optical properties of group III (Al, Ga, In) doped ZnO by Paul B., Singh B. , Ghosh S. , Roy A. Thin Solid Films 603 21-28 (2016)
• Type II band alignment in InAs zinc-blende/ wurtzite heterostructured nanowires by Panda J., Chakroborty A. , Ercolani D. , Gemmi M. , Sorba L. , Roy A. Nanotecnology 27 415201-415205 (2016)
• Structural properties and the fluoriteepyrochlore phase transition in La2Zr2O7: The role of oxygen to induce local disordered states by Paul B., Singh K. , Jaron T. , Chowdhury A. , Roy A. Journal of Alloys and Compounds 686 130-136 (2016)
• Mapping of the electronic band gap along the axis of a single InAs/InSbxAs1 x heterostructured nanowire by Patra A., Chakroborty M. , Roy A. Nanoscale 8 18143-18149 (2016)
• Spin-phonon coupling in scandium doped gallium ferrite by Charkarborty K., Paul B. , Grover V. , Mukudam M. , Roy A. , Basu S. , Tyagi A. K., Yusuf S. M. Journal of Applied Physics 117 1239151-1239157 (2015)
• Mapping of axial strain in InAs/InSb heterostructured nanowires by Patra A., Panda J. K., Ercolani D. , Sorba L. , Gimmi M. , David J. , Roy A. Applied Physics Letters 107 0931031-0931034 (2015)
• Strain-induced band alignment in wurtzite/zinc-blende InAs heterostructured nanowires by Panda J., Roy A. , Chakraborty A. , Dasgupta I. , Hasunu E. , Ercolani D. , Sorba L. Physical Review B 92 2053021-2053029 (2015)
• Effect of (-)-epigallocatechin gallate on the fibrillation of human serum albumin. by Bhattacharya S., Pandey N. K., Roy A. , Dasgupta S. Int. J. Biol. Macromol 70 312-319 (2014)
• Distribution of Protein Ramachandran Psi ( ) Angle Using Non-Resonance Visible Raman Scattering Measurements by Bhattacherya S., Ghosh S. , Pandey N. K., Chaudhury S. , Dasgupta S. , Roy A. J. Phys. Chem. B. 117 13993-14000 (2013)
• Fibrillation of Hen Egg White Lysozyme triggers reduction of Copper(II) by Ghosh S., Pandey N. K., Bhattacharya S. , Roy A. , Dasgupta S. Intl. J. Biol. Macromol 51 1-6 (2012)
• Interaction of (-)-epigallocatechin gallate and silver colloid with bovine serum albumin by Chandra G., Tripathy D. , Roy A. , Dasgupta S. Appl. Spectroscopy 66 75-81 (2012)

Principal Investigator

• MEASUREMENT OF CASIMIR FORCE USING INDIGENOUS ATOMIC FORCE MICROSCOPE
• OPTICAL PROPERTIES OF FLUORESCENT NANOCRYSTALLINE PHOSPHATES AND GALLATES CO-DOPED WITH TRANSITION AND RARE-EARTH ELEMENT
• UPGRADING RAMAN SPECTROMETER TO MICRORAMAN SPECTROMETER FOR STUDIES ON BIO-MATERIALS
• LOW TEMPERATURE RAMAN MEASUREMENTS ON NOVEL MATERIALS
• STUDIES ON PROTEIN-METAL COLLOID INTERACTIONS BY RAMAN SPECTROSCOPY
• TUNING OF STRUCTURAL & ELECTRICAL PROPERTIES OF SEMICONDUCTORS BY HIGH ENERGY LIGHT - ION - IRRADIATION
• Probing oxide based multi-functional materials by X-ray diffraction and Raman scattering measurements
• Molecular structural evolution of nanoparticles mediated amyloid fibrils
• Low Temperature Phonon Dynamics in Advanced Nanomaterials: A Tool for Understanding their Crystal Structure
• Raman Spectroscopy - A tool for studying structural variation and phonon dynamics in rare-earth oxide materials
• Composition Engineering of Half-Metallic Heusler Alloys for Spintronic Applications
• Studies on emergent excitations in quantum spin systems using Raman scattering