Publications / Journals |
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Invited Talks |
- 65th DAE Solid State Physics Symposium BARC, Dec. 15-19, 2021.
- ICAMSE conference Punjab Univ. Dec. 29, 2021.
- Value added workshop: Nano Era: Nanotechnology for Global Sustainability organized by AMITY INSTITUTE OF TECHNOLOGY, UP-201313, June 7-11, 2021.
- International Conference on Light Matter Interaction (ICLMIN-2021) organized by IGCAR, Kalpakkam, India during May 19-21,2021
- Three days National level Webinar Series on "ADVANCED FUNCTIONAL MATERIALS" Organized by Department of Physics and Chemistry, LATHA MATHAVAN ARTS AND SCIENCE COLLEGE, Kidaripatti, Alagarkoil, Madurai – 625301, February 9-11, 2021.
- Six-day online workshop on “Fundamentals of Research Methodology for Science and Allied Subjects’’ organized by IQAC, A.N. College, Patna from August 24-29, 2021.
- Short course on "Learn to Design your own Solar Home System" as a part of Energy Literacy Drive of the Energy Swaraj Foundation, August 5-10, 2021.
- International conference on Emerging Trends in Material Science (ETMS-2021) held during March 22-23,2021
- K. Manglam, and M. Kar, at International Conference on Recent Advances in Engineering Materials (ICRAEM 2022), Madoori, Karnataka, India.
- K.Manglam, and M. Kar, 3rd International Conference on Aspects of Materials Science and Engineering (ICAMSE 2022), Panjab University, Chandigarh.
- K. Manglamand M. Kar, Enhancement of reduced remanent and magnetic energy product through exchange spring phenomenon in BaFe12O19+CoFe2O4 composite, Ceramics in Europe 2022 conference, which was held on July 10-14, 2022 in Kraków, Poland
- Ceramics in Europe Poland, Jul. 10-14, 2022.
- Shukla and M. Kar at 3rd International Conference on Advances in Physical Sciences and Materials (ICAPSM2022) organized by KPR institute of engineering and technology, Coimbatore, Tamil Nadu, August 18-19, 2022.
- Pandey, L. K. Pradhan, S. Kumar and M. Kar, “Crystal Structure, Magnetic and Magnetodielectric Study on (BaFe12O19-Bi0.85La0.15FeO3) Multiferroic Composites, ICMAGMA, NISER, January 9th- 13th (2019).
- Guha, R. Kumar, S. Kumar, L. K. Pradhan, R. Pandey and M. Kar “Crystal structure and Magnetic Properties study on Half Metallic FerromagnetFe2MnSi” ICMAGMA, NISER, January 9th- 13th (2019)
- Kumar, S. Supriya, L. K. Pradhan, R. Pandey and M. Kar , Gran Size Effect on Magnetocrystalline Anisotropy and Dielectric Properties of Barium Hexaferrite, ICMAGMA, NISER Bhubaneswar, January 9th -13th (2019).
- Kar, L Kumar Pradhan, M. K. Manglam, S. Kumar, Modification of Magnetic Ordering due to Surface Interaction in BHF-BTO Nanocomposite, ICMAGMA, NISERBhubaneswar, January 9th - 13th (2019).
- K. Pradhan and M. Kar, Evidence of Compositional Fluctuation Induced Relaxor Antiferroelectric to Antiferroelectric Ordering in Bi0.5Na0.5TiO3-Bi0.5K0.5TiO3 Based Lead Free Ferroelectric, MRSI, IISC Bangalore, February 12-15, (2019)
- K. Manglam, S. Kumar, S. Guha and M. Kar, Crystal Structure and Magnetic PropertiesStudy on Zn Doped Barium Hexaferrite”, MRSI, IISC Bangalore, February 12-15, (2019).
- K Pradhan, S Supriya,R Pandey, S. Kumar and M. Kar, Role of lattice distortion on diffuse phase transition temperatures in Bi0.5Na0.5TiO3- BaTiO3 [BNBTO] solid solutions. Solid state Symposium (SSPS-2017), BARC, Dec. 25th-30th (2017)
- Pandey, L. K. Pradhan and M. Kar, Structural and dielectric investigation of Bi1xDyFe1-xMnxO3.ICMST-2016, Kerala, June. 5-8 (2016)
- Pandey, C. Panda, P. Kumar, L. K. Pradhan and M. Kar. Effect of structural transition on Magnetic properties of Y and Mn Co-doped BFO ceramic. ICMDA-2016(NIT Patna)
- Pandey, L. K. Pradhan and M. Kar. Structural and Dielectric Investigation of Bi1xDyxFe1-xMnxO3. ICMST-2016(Dept. of Physics, ST. Thomas College, Palai, Kerala)
- Pandey, L.K Pradhan and M. Kar. Study on oxide-ion conductivity in Ca modified Bismuth Ferrite (Bi0.95Ca0.05FeO3) multiferroic compound for solid oxide fuel cell application. ACSSI-2016 (IIT Patna).
- K. Pradhan, R. Pandey, R. Kumar, P. Kumar and M. Kar, Composition driven magnetoelectric coupling in CFO-PZT nanocomposite, ICNAN-2016 (VIT University)
- Kumar, S. Supriya and M. Kar, Dielectric Investigations on Li and Cr Substituted Nickel Oxide, 4th ICANN 2015, IIT Guwahati, Dec. 8-11, (2015).
- K. Pradhan, R. Pandey, R. Kumar, P. Kumar and M. Kar, Structural and electrical properties of CFO and PZT multiferroic nanocomposite, 4th ICANN 2015, IIT Guwahati,Dec. 8-11, (2015).
- Kumar, R. Pandey and M. Kar, Study of strain mediated magnetism on non-magnetic Sr substituted cobalt ferrite by employing the Arrott plot, ICMAGMA, Vellore University,
Dec 2- Dec 4, (2015).
- Kumar, A. M. Goswami and M. Kar, Increase of Dielectric Constant in PVDF by Incorporating La1.8Sr0.2NiO4 into its Matrix, International Conference on Condense matter and Applied physics, Bikaner, Oct 30-31, (2015).
- Kumar, S. Supriya, P. kumar and M. Kar Dielectric Investigations on co-substituted Bismuth Ferrite (Bi1-xLaxFe1-xMnxO3) ICC 2015, Bikaner, Rajasthan, Oct. 30-31, (2015).
- Supriya, S. Kumar and M. Kar, Impedance Spectroscopy Studies in Cobalt FerriteReduced Graphene Oxide Nanocomposite, ICC 2015, Bikaner, Rajasthan, 30-31 October, (2015).
- Kumar, R. Pandey and M. Kar, Enhanced Magnetocrystalline anisotropy of Co0.99Ca0.01Fe2O4, Indo-Japan Workshop on Magnetism at Nanoscale, NISER Bhubaneswar Jan 9-Jan 12, (2015).
- Kumar, A. K. Sinha, A. Sagdeo, M. N. Singh and M. Kar, Comparative study on oxygen octahedral tilting induced structural transition in co-substituted BiFeO3 ceramics, 5th conference on Neutron Scattering (CNS-2015); BARC Mumbai (Maharashtra), February 24, 2015.
- Kumar, A. K. Sinha, A. Sagdeo, M. N. Singh and M. Kar,Comparative study on oxygen octahedral tilting induced structural transition in co-substituted BiFeO3 ceramics, 5th conference on Neutron Scattering (CNS-2015); BARC Mumbai (Maharashtra), February 24, 2015.
- Kumar and M. Kar, Magnetic studies of nanocrystalline cobalt ferrite by Employing the Arrot plot, International Conference on Condense matter and Applied physics, Bikaner, Oct30-31, (2015).
- Supriya, S. Kumar P. Kumar and M. Kar, Interplay between Cation Distribution and Dielectric relaxations in Cr-substituted Nanocrystalline Cobalt ferrite, NANOCON 2014,3rd international conference on Nanotechnology, Bharti Vidyapith University, Pune 30-31 October, (2014).
- Kumar, S. Supriya and M. Kar, Low Resistivity Measurement Techniques, Bihar ScienceConference, Patna University, Patna, 23-25 Dec. (2014).
- Supriya, S. Kumar and M. Kar, Impedance Spectroscopy for Materials characterization, Bihar Science Conference, Patna University, Patna, 23-25 Dec. (2014).
- Kumar and M. Kar, A topical review on magnetoelectric composite, Bihar Science Conference, Magadh Mahila College, Patna (2014).
- Kumar, L. K. Pradhan and M. Kar, Photoluminiscence studies of Cobalt ferrite, IOQO, IIT Patna (2014).
- Kumar, R. Kumar and M. Kar, Enhanced Magnetic Properties near MPB in Ho and Mn co-substituted Nanocrystalline BiFeO3, NANOCON 2014, Pune (Maharastra) October 14-15, 2014.
- Kumar, S. Kumari, V. Kumar, P. Kumar and M. Kar, Structural and Magnetic Properties of Rare Earth Substituted Nanocrystalline Cobalt Ferrite. International Conference on Electron Microscopy & XXXV Annual Meeting of Electron Microscope Society of India (EMSI-2014), University of Delhi, India, July 9-11, 2014.
- Kumar and M. Kar,Raman Spectroscopy and Direct Band Gap Studies on co-substituted Bismuth Ferrite, IOQO-2014, IIT Patna, Nov 7-8, 2014.
- KarandP. Kumar, Multiple Crystal Symmetries in NanocrystallineBi1-xNdxFe1xMnxO3Multiferroics. ETCMP-2014. T. M. Bhagalpur University, Jan 17-18, 2014.
- Greculeasa, V. Kuncser, G. Schinteie, L. Kumar, P. Kumar, B. Sahoo and M. Kar. Magnetic and Mössbauer spectroscopy study of Al and Mn substituted nanocrystalline Ni ferrites. Electroceramics XIV Conference, Romania, June 16-20, 2014.
- Kour, P. Kumar, M. Kar and S. K. Sinha,Effect of Neodynium Doping on theDielectric and Impendance of PZT Nanoceramics, IUMRS-ICA, 2013, IISc Bangalore, Dec 16-20, 2013
- Pawan Kumar and Kar,Effect of Structural transition on Magnetic Properties of La and Mn co-substituted Bismuth Ferrite.,SPPS-2013, ISM Dhanbad, Nov 18-20, 2013.
- Kumar, Rajnish Kumar and M. Kar,Enhanced Magnetic and Dielectric Properties of Ca2+ and Ti4+ co-doped Bismuth Ferrite..EEMR-2013. CSIR - Institute of Minerals and materials Technology, Bhubaneswar. Aug 12-13.
- Lawrence Kumar, P. Kumar and Kar,Cations Distribution studies in Spinel Ferrites from XRD pattern by Rietveld Method.ICWNCN-2012. Delhi University. March 13-16, 2012.
- Lawrence Kumar, P. Kumar and Kar,Influence of non-magnetic Substitution on the Cation Distribution, Crystal Structure and Magnetocrystalline Anisotropy of Nanocrystalline Spinel Cobalt Ferrite.ICNANO-2011, Delhi University. Dec 18-21 2011.
- Lawrence Kumar, Pawan Kumar and Kar,Non-linear Behaviour of Coercivity to the Maximum Applied Magnetic Field in La Substituted Nanocrystalline Cobalt Ferrite, MagMA-2013, IIT Guwahati, Dec 05-07, 2013.
- Kumarand M. Kar, Weak Ferromagnetism in Nd and Mncodoped BiFeO3Multiferroic,MagMA-2013. IIT Guwahati, Dec 05-07, 2013.
- Kumar and M. Kar, Ferromagnetism in Bismuth Ferrite by co-substitution on Bi and Fe sites,,CMDAYS 2013, 28-31 Aug-2013, NIT Rourkela.
- Kour, P. kumar, S. K. Sinha & M. Kar,Dielectric and Impedance Properties of Sr2+ ionModified PZT Ceramics, CMDAYS 2013, 28-31 Aug-2013, NIT Rourkela.
- Kumar and M. Kar, Reduction of Leakage Current in Bismuth Ferrite by Creating Chemical Pressure in Lattice International Conference on frontiers in Energy, environment, health and Materials Science (EEMR-2013), 12-13 Aug-2013, IMMT, Bhubaneswar.
- Kour, P. kumar, S. K. Sinha&M. Kar,Effect of Crystallite size on Dielectric andImpedance Property of PZT (52/48) Ceramics, International Conference on frontiers inEnergy, environment, health and Materials Science (EEMR-2013), 12-13 Aug-2013, IMMT, Bhubaneswar.
- Kumar, P. Kumar and M. Kar, Structural and Magnetic Properties in Nanocrystalline CoFe2O4., National Conference on. Recent Advances in Science for Technology. (RAST2012). Feb 27-28, 2012.
- Panda and M. Kar,Rietveld Analysis and Electrical Properties of Bi1-xSmxFe1-xMnxO3Ceramics. RTCST- 2012, IIT Patna, March 3-4, 2012.
- Kaur, S. K. Sinha and M. Kar, Microstructure and ferroelectric Studies on Nanocrystalline La3+ substituted PZT. RTCST- 2012, IIT Patna, March 3-4, 2012.
- Kumar, P. Kumar and M. Kar, “Effect of Y3+ substitution on the Structural andMagnetocrystalline Anisotropy of Nanocrystalline Cobalt Ferrite”. RTCST- 2012, IIT Patna, March 3-4, 2012.
- Kumar, P. Kumar and M. Kar,Cations Distribution studies in Spinel Ferrites fromXRD pattern by Rietveld Method.ICWNCN-2012. Delhi University. March 13-16, 2012.
- Kumar, P. Kumar and M. Kar, Crystal Structure and Magnetocrystalline Anisotropy Constant Studies on CoFe1.5M0.5O4, M = Al & Cr. CMDAYS-2012. BIT Meshra, Ranchi.Aug 29-31, 2012.
- Panda, P. Kumar and M. Kar, Rietveld Analysis and Electrical Properties of Samarium and Manganese Doped BiFeO3 Ceramics.CMDAYS-2012. BIT Meshra, Ranchi. Aug 29-31, 2012.
- Kumar, P. Kumar, A. R. Yadav, and M. Kar, Structural Characterization and CationDistribution on Al Substituted Nickel Ferrite. CMDAYS-2012. BIT Meshra, Ranchi. Aug 29-31, 2012.
- Enhancement of Dielectric Constant by Calcium Substitution in Nanocrystalline PZT P. Kour, S. K. Sinha, P. Kumar and M. Kar. CMDAYS-2012. BIT Meshra, Ranchi. Aug 29-31, 2012.
- Kumar and M. Kar, Influence of La3+ Ion Concentration on the Magnetic Anisotropy ofNanocrystalline Spinel Cobalt Ferrite, NANOMAT-2011, Indian School of Mines Dhanbad, India, February 10-11, 2011.
- Kumar and M. Kar,Effect of Annealing Temperature on Magnetic Anisotropy inNanocrystalline Cobalt Ferrite, INTERMAG-2011, Taipei, Taiwan, April 25-29, 2011
- Kumar and M. Kar, Structural and Magnetic Properties of Nanocrystalline Lasubstituted Cobalt Ferrite. International Conference on Materials for Advanced Technologies, Suntec, Singapore, 26 June-1 July, 2011, Page No. 147.
- Sahu, M. Kar, and S.Panigrahi, Rietveld structural study, microstructure, dielectric and impedance properties of Fe3+ ion modified on Pb(Zr0.65Ti0.35)O3Perovskite Ceramics. National seminar on physics and technology of Novel materials (PTNM-2010), Sambalpur University.
- Panigrahi, N. Sahu and M. Kar, Enhancement of Conductivity in Fe3+ and Mn3+ modified Pb(Zr0.65-xFexTi0.35)O3 ceramics, ICE-2011, Sydney, Australia.
- Sahu, M. Kar & S.Panigrahi, Rietveld analysis of a single phase PbTiO3. National Conference on Mechanism Science and Technology: from Theory to Application, November 13-14, 2008 National Institute of Technology, Hamirpur (H.P.) India -177005
- Sahu, M. Kar & S.Panigrahi, Structural Transition and Rietveld Refinement on a Single Phase Nanocrystalline Pb0.5Zr0.5TiO3 Ceramics. CONDENSED MATTER DAYS-2009(Symposium on condensed Matter Physics), 26-28th August 2009, Jadavpur University, Kolkata.
- Sahu, S. Panigrahi and M. Kar, Structural change of Zr Doped PbTiO3 Ceramics. International conference of electro ceramics 2009, Dec13-17, 2009 Delhi University.
- Acharyya, I. Talukdar, A. Chattopadhyay, M. Kar, Radar Absorbing Properties of epoxy-based La0.5Sr0.5Co1-xFexO3 Nanocomposites, Proceedings of ISSS 2008.
- K. Srivastava, M. Kar and S. Ravi, Effect of Co doping on the crystal structure, electrical transport and magnetic properties of (La0.85Ag0.15)(Mn1-yCoy)O3. Presented in LatinAmerican Workshop 2007, Aug. 2007, Rio de Janeiro, Brazil
- K. Srivastava, M. Kar and S. Ravi,Study of Electrical Transport, Magnetic Properties of La0.85Ag0.15Mn1-xTxO3 (T=Co,Al). INSA-HAS Workshop 2006, Dec. 2006 Uni. Of Hyderabad, India
- K. Srivastava, M. Kar and S. Ravi, Crystal Structure Studies on La0.85Ag0.15Mn1yAlyO3Compounds. Crystallography Conference 2007, March 2007, Chennai, India
- Kar and K. Acharyya, Crystallite Size Determination by Using XRD. ACTON 2005, Page 37, IIT Roorkee.
- K. Saha, M. Kar and S. Ravi, Characterization of La0.85Ag0.15 (Mn1-xCox)O3 (x = 0 to 0.15) Compounds. NCMS-2005, (2005) CU Hyderabad.
- Kar and S. Ravi, Study of Crystal Structure in La1-xAgxMnO3 Compounds. X-ray Tech. in Res. and Industry (XTRI-2003), DMRL, Hyderabad, Dec. 3-5, 2003.
- Ravi and M. Kar, Colossal Magneto-Resistivity in La1-xAgxMnO3 Compounds. Recent
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