Associate Professor
Office Address: 107, 0361-2582724
Email: aksharma@iitg.ac.in
http://www.iitg.ernet.in/aksharma/

Journals

  • Prahlad K. Baruah, Anuma Singh, Latha Rangan, Ashwini K. Sharma and Alika Khare"Optimization of copper nanoparticles synthesized by pulsed laser ablation in distilled water as a viable SERS substrate for karanjin ", Mat. chemistry and Physics vol.220, no., pp.111-117, [2018 ]

  • Prahlad K Baruah, A K Sharma and Alika Khare"Effective control of particle size, surface plasmon resonance and stoichiometry of Cu@CuxO nanoparticles synthesized by laser ablation of Cu in distilled water ", Optics and Laser Technology vol.108, no., pp.574-582, [2018 ]

  • Rasmi Ranjan Behera, Mamilla Ravi Sankar, Prahlad Kumar Baruah, Ashwini Kumar Sharma and Alika Khare"Experimental investigations of nanosecond-pulsed Nd:YAG laser beam micromachining on 304 stainless steel ", Journal of Micromanufacturing vol.1, no.1 , pp.62-75 , [2018 ]

  • G. Pradhan and A. K. Sharma"Anomalous Raman and photoluminescence blue shift in mono- and a few layered pulsed laser deposited MoS2 thin films ", Materials Research Bulletin vol.102, no. , pp.406-411, [2018 ]

  • Poulami Ghosh and A. K. Sharma"Highly c-axis oriented growth and optical characterization of ZnO pore-like structures surrounded by craters via pulsed laser deposition ", Silicon vol.10, no.2, pp.645-650, [2018]

  • Kh. Shantakumar Singh and A. K. Sharma "Time integrated optical emission studies on laser-produced copper plasma in the presence of magnetic field in air ambient at atmospheric pressure", Appl. Phys. A vol.123, no. , pp.325, [2017]

  • Kh. Shantakumar Singh and A. K. Sharma " Melt ejection from copper target in air in the presence of magnetic field using nanosecond pulsed laser ablation", J. Vac. Sci. Technol. A vol.35, no. , pp.31305, [2017]

  • Poulami Ghosh and A. K. Sharma"Two-photon induced photoluminescence and lasing in pulsed-laser deposited ZnO nanostructures pumped by continuous wave He-Ne laser", Opt. Mater. vol.66, no. , pp.651, [2017]

  • Kh. Shantakumar Singh, Alika Khare and A. K. Sharma"Fabrication of Photoluminescent nc-Si:SiO2 Thin Films prepared by PLD", Laser and Particle Beams vol.35, no.2, pp.352-361 , [2017]

  • Prahlad K Baruah, Anuma Singh, Iffat Jahan, Latha Rangan, Aditya N. Panda, A. K. Sharma and Alika Khare"Surface-enhanced Raman scattering from copper nanoparticles treated furanoflavonoidkaranjin", Advanced Materials Letters vol.8, no.10, pp.971-976, [2017]

  • Prahlad K. Baruah, A. K. Sharma and Alika Khare"Dependence of the Size of Copper Nanoparticles on Laser Energy Synthesized by Pulsed Laser Ablation in Liquid", Advanced Materials Proceeding vol.2, no.4, pp.264-268, [2017]

  • Poulami Ghosh and A. K. Sharma"On-axis and off-axis growth of zinc oxide nanostructures via pulsed laser deposition", Phys. Stat. Solidi A vol.214, no.5, pp.1600755-1600761, [2017]

  • R. R. Behera, M. R. Sankar, J. Swaminathan, I. Kumar, A. K. Sharma, and Alika Khare"Experimental investigation of underwater laser beam micromachining (UW-LBμM) on 304 stainless steel", International Journal of Advanced Manufacturing Technology vol.85, no. 9-12, pp.1969, [2016]

  • Kh. Shantakumar Singh, A. K. Sharma"Effect of lens focusing distance on laser-produced copper plasma in air in the presence of static transverse magnetic field", Physics of Plasmas vol.23, no.12, pp.123514, [2016]

  • Kh. Shantakumar Singh, A. K. Sharma"Effect of variation of magnetic field on laser ablation depth of copper and aluminum targets in air atmosphere", Journal of Applied Physics vol.119, no.18, pp.183301, [2016]

  • Kh. Shantakumar Singh, A. K. Sharma"Spatially-resolved behavior of laser-produced copper plasma along expansion direction in the presence of static uniform magnetic field", Physics of Plasmas vol.23, no.12, pp.122104, [2016]

  • Kh. Shantakumar Singh, A. K. Sharma"Multi-structured temporal behavior of neutral copper transitions in laser-produced plasma in the presence of variable transverse static magnetic field", Physics of Plasmas vol.23, no.1, pp.13304, [2016]

  • Poulami Ghosh, A. K. Sharma"Pulsed laser deposition and characterization of ZnO nanopores", Applied Physics A vol.122, no. , pp.357, [2016]

  • Poulami Ghosh and A. K. Sharma "Effect of substrate temperature on the growth of pulsed-laser deposited ZnO nanostructures", Applied Physics A vol.116, no.4, pp.1877, [2014]

  • Poulami Ghosh and A. K. Sharma "Growth and optical characterization of diamond-shaped zinc oxide nanostructures by pulsed laser deposition", Applied Physics A vol.115, no.1, pp.235, [2014]

  • Poulami Ghosh and A. K. Sharma "Growth and characterization of ZnO nanorods, nanowires and nanobelts on ZnO seed layer by pulsed layer deposition", Advanced Science, Engineering & Medicine vol.6, no.4, pp.393, [2014]

  • Poulami Ghosh and A. K. Sharma "Growth of combination of zinc oxide nanorods, nanowires, and nanobelts on zinc oxide seed layer by pulsed layer deposition", Adv. Sci. Eng. Med vol.6, no. , pp.393, [2014]

  • Poulami Ghosh and A. K. Sharma "Optical characterization and growth mechanism of combination of zinc oxide nanowires and nanorods at various substrate temperatures", Journal of Nanomaterials vol.2013, no. , pp.Article ID 480164, [2013]

  • Poulami Ghosh and A. K. Sharma "Deposition of zinc oxide nanopores by pulsed laser ablation", GSTF Journal of Physics and Applications vol.1, no.1, pp.10, [2013]

  • R.K.Thareja, A. K. Sharma and S. Shukla"Spectroscopic investigations of carious tooth decay", Medical Engineering and Physics vol.30, no. , pp.1143, [2008]

  • C.Bauer, A.K.Sharma , U. Willer, J. Burgmeier, B. Braunschweig, W. Schade, S. Blaser, L. Hvozdara, A. Mueller and G. Holl"Potentials and limits of mid-infrared laser spectroscopy for the detection of explosives", Applied Physics B vol.92, no. , pp.327, [2008]

Conferences

  • Prahlad K. Baruah, Kh. Shantakumar Singh, Sumit Goswami, Eshita Mal, Ashwini K. Sharma and Alika Khare"Application of laser induced breakdown for nanoparticle synthesis and as a powerful spectroscopic technique", Research Conclave -2017, Indian Institute of Technology Guwahati vol., no. , pp. , [March 16-19, 2017]

  • Prahlad K. Baruah, Ashwini K. Sharma and Alika Khare"Elucidation of Surface Plasmon Resonance, Size and Structure of Cu@CuxO and Ag@AgxOy Nanoparticles Synthesized by Pulsed Laser Ablation in Liquid, Dynamics of the Process and Applications ", Research conclave, IIT Guwahati vol., no. , pp., [2019 ( Mar. 14-17) ]

  • S. Goswami and A. K. Sharma"Structural and morphological properties of pulsed laser deposited In2O3 thin films at various oxygen pressures", AIP Conference Proceeding vol., no. , pp.040008 , [2019 ]

  • S. Goswami and A. K. Sharma"Effect of substrate temperature on the structural, morphological and optical properties of pulsed laser deposited indium oxide films", 5thInternational Conference Nanoscience and Nanotechnology (ICONN), SRM Institute of Science and Technology, Chennai vol., no. , pp., [2019 ]

  • S. Goswami and A. K. Sharma"Structural and morphological properties of pulsed laser deposited In2O3 thin films at various oxygen pressures", International Conference on Optoelectronic and Nano Materials for Advanced Technology (iCONMAT), CUSAT, Kochi, Kerela vol., no. , pp. , [2019 ]

  • S. Goswami and A. K. Sharma"Effect of ambient conditions on the structural and optical properties of pulsed laser deposited indium tin oxide thin films", International Conference on Fiber Optics and Photonics (PHOTONICS 2018), IIT Delhi vol., no. , pp. , [2019 ]

  • P. K. Baruah, M. A. Raman, I. Chakrabartty, LathaRangan, A. K. Sharma and Alika Khare"Antibacterial Effect of Silk Treated with Silver and Copper Nanoparticles Synthesized by Pulsed Laser Ablation in Distilled Water", AIP Conference Proceeding, Vol. 1953 vol., no. , pp.030064-1-4, [2018 ]

  • Prahlad K. Baruah, Ashwini K. Sharma and Alika Khare"Effect of laser energy on the SPR and size of silver nanoparticles synthesized bypulsed laser ablation in distilled water ", AIP Conference Proceedings, Vol. 1942 vol., no. , pp.050036-1-4, [2018 ]

  • G. Pradhan and A. K. Sharma"2D Layered MoS2 Films Growth via Pulsed Laser Deposition Technique", International Conference on Nanomaterials and Nanotechnology (ICNANO-2017), Allahabad vol., no. , pp. , [2017]

  • Prahlad K. Baruah, A. K. Sharma and Alika Khare"Characterization of noble metal nanoparticles synthesized via pulsed laser ablation in liquid", International Conference on Sophisticated Instruments in Modern Research (ICSIMR-2017), IIT Guwahati, June 30- July 01 vol., no. , pp. , [2017]

  • P. K. Baruah, M. A. Raman, I. Chakrabarty, L. Rangan, A. K. Sharma and Alika Khare"Antibacterial effect of silk treated with silver and copper nanoparticles synthesized by pulsed laser ablation in distilled water", 2nd International conference on condensed matter and applied physics (ICC-2017), Govt. Engineering College, Bikaner, Rajasthan, Nov. 24-25 vol., no. , pp. , [2017]

  • Prahlad K. Baruah, A. K. Sharma and Alika Khare"Effect of laser energy on the SPR and size of silver nanoparticles synthesized by pulsed laser ablation in distilled water", 62nd DAE Solid State Physics Symposium (DAE SSPS-2017), BARC, Mumbai,Dec. 26-30 vol., no. , pp. , [2017]

  • P. K. Baruah, A. K. Sharma and A. Khare"Laser ablation of copper target in distilled water and 2-propanol for nanoparticle synthesis", International Conference on Laser Ablation (COLA 2017), , Sept. 03-08, 2017 vol., no. , pp. , [2017]

  • Prahlad K. Baruah, Ashwini K. Sharma and Alika Khare"Dependence of Laser Energy on the Size of Copper Nanoparticles Synthesized by Pulsed Laser Ablation in Liquid.", International Conference on Materials Science & Technology-2016 (ICMTech-2016), University of Delhi vol., no. , pp. , [2016]

  • G. Pradhan, R. Kesharwani, A. Khare and A. K. Sharma"Thickness dependent optical properties of MoS2 thin films probed by spectroscopic ellipsometry", International Conference on Fiber Optics and Photonics – PHOTONICS, IIT Kanpur vol., no. , pp. , [2016]

  • P. K. Baruah, A. Singh, L. Rangan, A. K. Sharma and A. Khare"Comparison of surface enhanced Raman scattering of silver and copper nanoparticles on furanoflavanoid karanjin", International Conference on Fiber Optics and Photonics PHOTONICS, IIT Kanpur vol., no. , pp. , [2016]

  • G. Pradhan and A. K. Sharma"Optical analysis of 2D-layered molybdenum disulfide thin films", International Conference on Light and Light based Technologies (ICLLT), Tezpur University vol., no. , pp. , [2016]

  • P. K. Baruah, A. K. Sharma and A. Khare"Effect of laser energy on silver nanoparticles produced by pulsed laser ablation in distilled water", , International Conference on Light and Light based Technologies (ICLLT), Tezpur University vol., no. , pp. , [2016]

  • Kh. Shantakumar Singh and A. K. Sharma"Effect of magnetic field on laser ablation during plasma formation: Experimental and finite element model study", XXVII IUPAP Conference on Computational Physics (CCP-2015), IIT Guwahati vol., no. , pp.62, [2015]

  • Kh. Shantakumar Singh and A. K. Sharma"Nanostructuring on copper target surface via pulsed laser ablation in the presence and absence of magnetic field in air", 4th International Conference on Advanced Nanomaterials & Nanotechnology (ICANN-2015), IIT Guwahati vol., no. , pp., [2015]

  • Kh. Shantakumar Singh, Eshita Mal, Alika Khare and A. K. Sharma"Laser-induced breakdown spectroscopy (LIBS): principle, instrumentation, and applications", TEQIP symposium to celebrate the 2015 International Year of Light, Department of Physics, IIT Guwahati vol., no. , pp. , [2015]

  • Kh. Shantakumar Singh and A. K. Sharma"Effect of laser focusing distance on laser-produced copper plasma in the absence and presence of uniform transverse magnetic field", 30th National Symposium on Plasma Science & Technology (PLASMA 2015), Saha Institute for Nuclear Physics (SINP), Kolkata vol., no. , pp.326, [2015]

  • Kh. Shantakumar Singh and A. K. Sharma"Laser ablation depth enhancement of copper in the presence of external magnetic field ", Proc. National Laser Symposium, RRCAT, Indore vol., no. , pp.143, [2015]

  • Kh. Shantakumar Singh and A. K. Sharma "A 2D finite element model to simulate temperature field and ablation depth during laser ablation", 2nd National Symposium On Nonlinear And Complex Phenomena 2015, Institute of Advanced Study in Science and Technology (IASST), Guwahati vol., no. , pp.53, [2015]

  • Kh. Shantakumar Singh and A. K. Sharma "Effect of uniform magnetic field on nanostructuring by laser ablation of copper at atmospheric pressure", 4th International Conference on Current Developments in Atomic, Molecular & Optical Physics with Applications (CDAMOP), University of Delhi vol., no. , pp.160, [2015]

  • Kh. Shantakumar Singh, Prahlad. K. Boruah and A. K. Sharma "Spectroscopic studies on laser produced copper plasma in presence of magnetic field ", Proc. National Laser Symposium, Manipal University, Manipal vol., no. , pp. , [2014]

  • Prahlad K. Baruah, Kh. Shantakumar Singh, A. K. Sharma and Alika Khare "Effect of laser energy on nanoparticles produced by laser ablation of copper in distilled water", National Symposium on Plasma Science & Technology and the International Conference on Plasma & Nanotechnology (PLASMA 2014), Mahatma Gandhi University, Kottayam, Kerala vol., no. , pp.166, [2014]

  • Kh. Shantakumar Singh, Prahlad. K. Baruah, Eshita Mal, Alika Khare and A. K. Sharma "Effect of uniform magnetic field on laser ablation", National Laser Symposium (NLS-23), Sri Venkateshwara University, Tirupati vol., no. , pp.147, [2014]

  • Prahlad K. Baruah, N. S. Mallick, I. Kumar, A. K. Sharma and Alika Khare "Dynamics of laser induced breakdown at solid-liquid interface by imaging technique", 3rd PSSI-PLASMA Scholars Colloquium (PSC-2014) &National workshop on Exploring Plasma Technology on Material Processing, VIT Channai vol., no. , pp.11, [2014]

  • Rasmi Ranjan Behera, Mamilla Ravi Sankar, Indrajeet Kumar, A. K. Sharma , Alika Khare and J. Swaminathan"Experimental Study on Micromachining of 304 Stainless Steel Under Water Using Pulsed Nd:YAG Laser Beam ", 5th International and 26th All India Manufacturing Technology, Design and Research Conference (AIMTDR 2014), IIT Guwahati vol., no. , pp.380, [2014]

  • Kh. Shantakumar Singh and A. K. Sharma "Effect of uniform transverse magnetic field on the lifetime of laser-produced copper plasma", 29th National Symposium on Plasma Science & Technology and the International Conference on Plasma & Nanotechnology (PLASMA 2014), Mahatma Gandhi University, Kottayam, Kerala vol., no. , pp.299, [2014]

  • Kh. Shantakumar Singh, Alika Khare and A. K. Sharma "Spectroscopic study of laser-produced copper plasma in uniform magnetic field", Proc. National Laser Symposium, Sri Venkateswara University, Tirupati vol., no. , pp.146, [2014]

  • Poulami Ghosh and A. K. Sharma "Effect of Deposition Time on Pulsed Laser Deposited ZnO Nanopores", International Conference on Nanotechnology (ICNT 13), Haldia vol., no. , pp. , [2013]

  • K. S. Singh and A. K. Sharma "Measurement of stark width in laser produced copper plasma in the presence of magnetic field", 28th National Symposium on Plasma Science & Technology (PLASMA 2013), KITT University, Bhubaneswar vol., no. , pp. , [2013]

  • Poulami Ghosh and A. K. Sharma "Growth of ZnO nanostructures in ambient oxygen", 6th India - Singapore Joint Physics Symposium on Physics of Advanced Materials, ISJPS-13, IIT Kharagpur vol., no. , pp. , [2013]

  • Poulami Ghosh and A. K. Sharma "Effect of Deposition Time on the Growth of Diamond-like Zinc Oxide Nanostructures", Proc. National Laser Symposium, BARC, Mumbai vol., no. , pp. , [2013]

  • Poulami Ghosh and A. K. Sharma "Effect of Deposition Time on the Growth of Diamond-like Zinc Oxide Nanostructures", International Conference on Recent Trends in Applied Physics & Material Science, RAM-2013, Bikaner vol., no. , pp. , [2013]

  • Poulami Ghosh and A. K. Sharma "Spectroscopic Study of Laser Induced ZnO Plasma", International Conference on Recent Trends in Applied Physics & Material Science, RAM-2013, Bikaner vol., no. , pp. , [2013]

  • Poulami Ghosh and A. K. Sharma "Two-photon induced photoluminescence of ZnO nanowires/nanobelts by continuous wave He-Ne laser", XXXVII National Symposium of Optical Society of India, Pondicherry University, Puducherry vol., no. , pp. , [2013]

  • A T T Mostako, G P Bharti, Kh Santakumar Singh, A K Sharma and Alika Khare "Determination of Electron Density in Laser Induced Molybdenum Plasma", Plasma 2012, Pondicherry University, India vol., no. , pp. , [2012]

  • Poulami Ghosh and A. K. Sharma "Growth of zinc oxide nanorods/wires on zinc oxide seed layer by pulsed laser deposition", 21st International Symposium on Processing and Fabrication of Advanced Materials, PFAM XXI, IIT Guwahati vol., no. , pp. , [2012]

  • Poulami Ghosh, Ashwini K. Sharma and Alika Khare "Two-Photon Absorption Induced Photoluminescence in Diamond-like Zinc Oxide Nanostructures", 1st International OSA Network of Students Conference (IONS-1), IIT Delhi vol., no. , pp. , [2011]

  • Poulami Ghosh and Ashwini K. Sharma "Growth of Diamond-like ZnO Nanostructures by Pulsed Laser Ablation", 2nd International Conference on Advanced Nanomaterials and Nanotechnology (ICANN-2011), IIT Guwahati vol., no. , pp. , [2011]

  • Prahlad K. Baruah, Eshita Mal, Kh. Shantakumar Singh, Ashwini K. Sharma and Alika Khare, "Laser produced plasma and its applications", Research conclave-2016, IIT Guwahati vol., no. , pp. , [ Mar 17-20,2016 ]

  • Gobinda Pradhan, Sasmita Behera, Ashwini K. Sharma and Alika Khare"Study of surface morphology and optical properties of thin films grown via PLD.", Research conclave-2016, IIT Guwahati vol., no. , pp. , [ Mar 17-20,2016 ]

  • Prahlad K. Baruah, Ashwini K. Sharma, Alika Khare "Basics and applications of the process of Laser induced breakdown", TEQIP Symposium to celebrate the 2015 International Year of Light, Department of Physics, IIT Guwahati vol., no. , pp., [ Dec 31,2015 ]

  • Prahlad K. Baruah, Ashwini K. Sharma, Alika Khare "Preliminary investigation on the expansion dynamics of laser produced graphite plasma in air", 30th National Symposium on Plasma Science & Technology (Plasma-2015) Saha Institute of Nuclear Physics (SINP) vol., no. , pp.p-204 , [ Dec 1-4,2015 ]

  • Eshita Mal, Kh. Shantakumar Singh, Prahlad K.Baruah, Arjun Biswas, Ashwini K. Sharma and Alika Khare "Characterization of Copper Plasma using Laser Induced Breakdown Spectroscopy in air", 4th PSSI-PLASMA SCHOLARS COLLOQUIUM (PSC-2015), Jadavpur university vol., no. , pp. , [ Aug 6-7,2015 ]

Text book/Book chapters

  • S. K. Khijwania and Ashwini Kumar Sharma "Edited Proceedings, PHOTONICS 2010", Viva Books Pvt Ltd vol., no. , pp. , [2010]