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Dr. Raghvendra

Assistant Professor
Department of Commerce

raghvendra.aps2015@gmail.com

  • Ph.D., Department of Physics, Indian Institute of Technology (BHU) Varanasi, 2014 (Cat-I).
  • M.Sc., Udai Pratap Autonomous P.G. College,Varanasi 2006 (First Div).
  • B.Sc., Udai Pratap Autonomous P.G. College Varanasi, 2004 (First Div).

Achievement & Recognitions

  • DST-SERB International Travel Support (under ITS scheme) for participating in the International conference (SSI-21) held at Padova Italy in June 2017.
  • SERB-DST Early Carreer Research Award (Young Scientist) at A.R.S.D. College (University of Delhi), New Delhi, August, 2016.
  • Awarded UGC-Start-up research grant at A.R.S.D. College (University of Delhi), New Delhi, August, 2016.
  • Awarded UGC- Dr. D. S. Kothari Post-doc fellowship at Department of Physics & Astrophysics, University of Delhi, New Delhi, June, 2015.
  • Awarded Direct CSIR-Senior Research fellowship at IIT (BHU), Varanasi, 2014.
  • Award for Best Poster Presentation in the conferences ICRCM-13 and ICSEM-14.
  • DST-SERB International Travel Support (under ITS scheme) for participating in the International conference (SSI-19) held in Kyoto, Japan in June, 2013.
  • National Exams Qualified: JAM-2004, JEST- 2006, GATE - 2008 & 10, UGC-CSIR NET – 2014.
  • Gold Medal Award in M.Sc. (Physics) from U.P. (Autonomous) College Varanasi, 2006.

Research Area of Interest and Technical Expertise

Green Energy Physics & Solid State Ionics: Renewable Energy Development

  • Materials: Fuel Cell materials (especially solid oxide fuel cells), Solar Cell Materials, Materials for Li-ion batteries, solid electrolytes and ion conducting materials, sensors, super-capacitors, dielectric, glassy and electro-ceramics, Functional materials for energy applications.
  • Synthesis Techniques: Synthesis of the materials via solid state as well as chemical routes such as polyol mediated, glycine-nitrate, citrate-nitrate, sol-gel, co-precipitation and combustion methods.
  • Properties of Materials: Electrical, Dielectric, Structural, Thermal, Surface and textural properties of Materials.
  • Physical Techniques & Analysis Tools: Conductivity spectroscopy, Electrochemical Impedance Spectroscopy, Scaling properties of the conductivity spectra, I-V characteristics, Dielectric spectroscopy, X-ray Rietveld analysis, SEM, TEM, XPS, TEC, DT/TGA, FTIR and RAMAN spectroscopy, BET Surface area and particle size analysis etc.
  • Software & ICT Skills: A good handling ability of various kinds of software’s and programmes applicable for research & general purposes.
  • Special softwares: OriginLab, Z-view, Z-plot, Z-simpwin, WinFit, EIS analyser, MatLab, Sci-lab, Fullprof, TOPAS, Highscore Plus, Unit cell, Dimond 3.0 graphics etc.
  • N.B.: PG Diploma in Computer Application

  • Subject/papers taught: (i) Electromagnetic theory/Electrodynamics (ii) Wave & Optics (iii) Mechanics (iv) Radiation Safety (v)  Electricity and Magnetism (vi) Electrical Circuits and Networks (vii) Thermal and statistical Physics (viii) Renewable Energy and Energy Harvesting

      Laboratory: (i) Basic Physics labs (ii) Electronics and Digital lab (iii) Sci-lab (iv) Solid State Physics lab (v)  Concurrent lab (vi) Communication lab (v) Instrumentation lab

  • SERB-DST Early Carreer Research Award (Young Scientist) project is running at A.R.S.D. College, University of Delhi, New Delh.
  • UGC Start-up research grant project is started at A.R.S.D. College, University of Delhi, New Delhi.
  • Raghvendra, M. Viviani, P. Singh, R. Botter, M.P. Carpanese, A. Barbucci, S. Presto, The effect of synthesis and thermal treatment on phase composition and ionic conductivity of Na-doped SrSiO3, Solid State Ionics (2017).
  • Raghvendra, P. Singh, Probing the Cost-Effective Sodium Doped Strontium Silicate (Sr1-xNaxSiO3-0.5 x) as Solid Electrolytes for IT-SOFC, ECS Trans 03 (2017) 325.
  • Raghvendra, P. Singh, Electrical conductivity of YSZ-SDC composite solid electrolyte synthesized via glycine-nitrate method, Ceram. Int. 43 (2017) 11692-11698.
  • O.N. Verma, N.K. Singh, Raghvendra, P. Singh, Study of ion dynamics in lanthanum aluminate probed by conductivity spectroscopy, RSC Adv. 5 (2015) 21614-21619.
  • Raghvendra, P. Singh, Influence of Bi2O3 additive on the electrical conductivity of calcia stabilized zirconia solid electrolyte, J. Eur. Ceram. Soc. 35 (2015) 1485-1493.
  • Raghvendra, P. Singh, Electrical conductivity of bismuth doped dysprosia stabilized zirconia as an electrolyte material for solid oxide fuel cell, Int. J. Mater. Res. 106 (2015) 535-538.
  • Raghvendra, R.K. Singh, P. Singh, Electrical conductivity of LSGM-YSZ composite materials synthesized via co-precipitation route, J. Mater. Sci. 49 (2014) 5571-5578.
  • Raghvendra, R.K. Singh, A.S.K. Sinha, P. Singh, Investigations of Structural and electrical properties of La(0.9-x)CaxSr0.1Ga0.8Mg0.2O3-δ electrolyte materials for solid oxide fuel cells, Ceram. Int. 40 (2014) 10711-10718.
  • Raghvendra, R.K. Singh, P. Singh, Electrical conductivity of barium substituted LSGM electrolyte material for IT-SOFC, Solid State Ionics 262 (2014) 428-432.
  • Raghvendra, R.K. Singh, P. Singh, Influence of small DC-bias field on the electrical behaviour of Sr and Mg doped lanthanum gallate, Applied Physics A 116 (2014) 1793-1800.
  • Raghvendra, R.K. Singh, P. Singh, Synthesis of La0.9Sr0.1Ga0.8Mg0.2O3-δ electrolyte via ethylene glycol route and its characterizations for IT-SOFC, Ceram. Int. 40 (2014) 7177-7184.
  • Sharath S.U., R.K. Singh, Raghvendra, B.P. Singh, P. Kumar, P. Singh, Influence of grain and grain boundary resistances on dielectric properties of KNbO3 under the small DC bias field; J. Am. Ceram. Soc. 96 (2013) 3127-3132.
  • Raghvendra, R.K. Singh, P. Singh, Electrical Properties of Ba doped LSGM an Electrolyte Material for Solid Oxide Fuel Cells, AIP Conf. Proc. 1512 (2013) 976-78.
  • Raghvendra, P. Singh and R.K. Singh, Structural Characterization, Electrical and Dielectric Relaxations in Dy-doped Zirconia; J. Alloys & Compd. 549 (2013) 238-244.
  • P. Singh, B.P. Singh and Raghvendra, Dispersion in AC conductivity of Fragile Glass Melts near glass transition Temperature; Solid State Ionics 227 (2012) 39-45.
  • P. Singh, Raghvendra, O. Parkash and D. Kumar, Scaling of low-temperature conductivity spectra of BaSn1-xNbxO3 (x≤0.100): Temperature and compositional-independent conductivity; Phys. Rev. B 84 (2011) 174306.

 Papers communicated/under Review

  • Raghvendra, P. Singh, Polyol-mediated synthesis of calcia incorporated yttria stabilized zirconia solid electrolyte for SOFC application, communicated in J. Mater. Chem. A (2017).
  • Raghvendra, P. Singh, Polyol-mediated synthesis of strontium and tungusten incorporated La2Mo2O9 solid electrolyte for IT-SOFC, communicated in J. Am. Ceram. Soc. (2017).
  • Raghvendra, P. Singh, Probing of Structural and dielectric studies of valence compensated Ba1-xKxSn1-xNbxO3 perovskite System, communicated in Science of Advance Materials (2017).
  • Raghvendra, A. Banday, M. Sharma, S. Murugavel, Role of Lithium vacancies and electrical transport in Olivine Lithium Iron Phosphate, communicated in Ionics (2017).

Paper/ Poster Presented in the International/National Conferences

  • Presented a paper in the International conference on solid state ionics (SSI-21) at Padova, Italy during June 18-21, 2017.
  • Presented a paper in the International conference on ABSMSNW 2017 during Feb. 19-23, 2017 at Dept. of physics, IIT (BHU) Varanasi.
  • Presented a paper in the 22nd International workshop “THERMANS-2016” organised by Department of Physics, IIT (BHU) Varanasi in collaboration of BARC Mumbai during January 18-22, 2016.
  • Contributed a paper as a co-author in the 20th international conference on solid state ionics (SSI-20) organised by MRS and held in Keystone, Colorado, USA during 13th to 19th June, 2015.
  • Delivered an Invited lecture on the “Novel solid electrolyte for SOFC” in the national seminar on recent advances in physical sciences organised by Department of Physics, Udai Pratap Autonomous College Varanasi on 28th February, 2015.
  • Contributed a paper as a first author in the 39th International conferences on advances in ceramics and composite (ICACC-15) organised in Florida, USA, during January 25-29, 2015.
  • Presented a poster in the International Conference on Frontiers of Spectroscopy (ICFS-2015) organised by Department of Physics, BHU, Varanasi during January 10-12, 2015.
  • Contributed a paper as co-author in the International Symposium on Materials Chemistry (ISMC-2015) organised by Bhabha Atomic Research Centre (BARC), Mumbai during December 9-12, 2014.
  • Presented a poster in the International Conference on Science and Engineering of Materials (ICSEM-2014) during January 06-08, 2014 at Sharda University, Grater Noida.
  • Presented a paper in the International Conference on Solid State Ionics (SSI-19) during June, 02-07, 2013 at International conference centre, Kyoto, Japan.
  • Presented a poster in the International Conference on Recent Advances in Composite Materials (ICRACM-2013) during February, 18-21, 2013 at International centre, Goa.
  • Presented a poster in the Indo-US International workshop on spectroscopy: Application to national security (IUWSANS-2013) organized by Department of Physics, BHU, during January 18-20, 2013.
  • Presented a poster in the Conference on "Condensed Matter and Biological Systems" (CCMB13) organized by Department of Physics, BHU, during January 11-14, 2013.
  • Presented a poster in the National Seminar on Materials and Energy Security (NSMES-2012) held on December 31, 2012 at the Department of Physics, Banaras Hindu University, Varanasi.
  • Presented a poster in the 57th DAE-Solid State Physics Symposium (DAE-SSPS 2012) held in IIT Bombay during December 3-7, 2012.
  • Contributed a paper in the Rajarshi Udai Pratap Singh Memorial 2nd International Workshop on Spectroscopic Signatures of Molecular Complexes in our Atmosphere and Beyond, held in Banaras Hindu University, Varanasi during February 7-10, 2012.
  • Presented a paper in the 6th National Conference on Thermophysical Properties (NCTP-2011) held in ITBHU, Varanasi during October 11-13, 2011.
  • Presented a Poster in the National conference on Current Topics in Condensed Matter (CTCM-2011) held in IISER Kolkata during Oct 7-9, 2011.
  • Presented a poster in the National Conference on Nano materials & Applications: Present Position and Road Ahead organised by Nano science and Technology centre Department of Physics, Banaras Hindu University Varanasi during March 16-18, 2011.
  • Presented a Paper in the national seminar on Recent Trends in Condensed Matter Physics (RTCMP-2011) organised by Department of Applied Physics, ITBHU, Varanasi during March 5-6, 2011.
  • Presented a paper in the 4th One day conference on New trends in Research organised by Department of Physics, BHU, Varanasi on March 03, 2011.
  • Presented a paper in the International Conference on Multifunctional Materials (ICMM-2010) organised by Department of Physics, BHU, Varanasi during December 7-9, 2010.
  • Contributed a paper in the Rajarshi Udai Pratap Singh Memorial Workshop on Spectroscopic Signatures of Molecular Complexes in our Atmosphere and beyond organised by Udai Pratap Autonomous College in collaboration with Laser and Spectroscopy Society of India and held in Banaras Hindu University, Varanasi during February 2-4, 2010.

Attended Conferences/ Workshops/Symposia/Training Schools/Faculty Development Programmes etc.

  • Actively Participated in the National workshop on "Faculty Development Programme" (FDP-2016) organised by IIT (BHU) Varanasi during the december 12-16, 2016.
  • Participated in the India International Science Festival (IISF) organised by National Physical Laboratory, New Delhi during december 7-11, 2016.
  • Participated in the DAAD Research Seminar 'Materials and Devices using Soft Matter: Current stutus and Outlook' on Nov. 21, 2016 at University of Delhi, Delhi.
  • Participated in the advanced workshop on dielectric spectroscopy, organised by University of Delhi, New Delhi, during January 17-18, 2014.
  • Participated in the International Workshop on Solid State Ionics organised by Kyoto University, Japan, on 2nd June, 2013.
  • Attended the LATEX Training Programme organised by DST-Centre for Inter disciplinary Mathematical Sciences (CIMS), Banaras Hindu University, Varanasi during February 13-18, 2012.
  • Participated in the Workshop on Electronic and Ionic Materials & Devices (WEIMD-2011) under the UGC networking Programme organised by Department of Physics, Banaras Hindu University during the period March 25-27, 2011
  • Participated in the Winter School on Recent Trends in Physics of Atoms, Molecules and Lasers (WSRTPAML-2011) under UGC networking programme organised by Department of Physics, BHU, Varanasi during the period January 9-31, 2011.
  • Participated in the national conference on Experimental Tools for Material Science Research: State of Art organised by Department of Physics, MMV, BHU, Varanasi during December 3-4, 2010.
  • Participated in the 3rd One day conference on New Trends in Research organised by Department of Physics, BHU, Varanasi on March 30th, 2010.
  • Participated in the National Symposium on Synthesis, Characterization and Applications of Technologically Important Materials (SCATIM-2010) organised by Materials Society of India at Banaras Hindu University during January 5-6, 2010.
  • Attended the 2nd National workshop on Advanced Optoelectronic Materials and Devices (AOMD-2008) organised by CRME, Department of Electronics Engg. During December 22-24, 2008.

  • Engaged with various committees of the college.
  • Assisted and supervised in many M.Tech/B.Tech student's dissertations during the doctoral period.
  • Supervising undergraduate student's in innovation projects.
  • Supervising a Junior research fellow under DST-SERB ECRA project.

Reviewers of the Scientific Journals

  • RSC and AIP Publishing group, Journal of Alloys & Compounds, Ceramic International, PLOS ONE, IJERT, Journal of Material Science,World Academy of Science Engineering & Technology (WASET) American Scientific Publishers etc.

Membership of Academic Bodies/Societies

  • Life membership of Indian Physics Association (IPA)
  • Life membership of Indian Association of Physics Teachers (IAPT)
  • Life membership of The Indian Science Congress Association (ISCA)
  • Life membership of Laser and Spectroscopy Society of India (LASSI)
  • Life Membership of Materials Research Society of India (MRSI)
  • Membership of Royal Society of Chemistry (RSC), UK.
  • Awarded Membership of the Electrochemical Society (ECS), USA.
  • Membership of International Association of Hydrogen Energy (IAHE), USA
  • Membership of the American ceramic Society, USA.
  • Life Membership of Vigyan Bharti (VIBHA), New Delhi, India.
  • Membership of Indian Association for Hydrogen Energy and Advanced Materials
  • Life Membership of Society for Materials Chemistry, BARC, Mumbai India.
  • Life Membership of Indian Thermal Analysis Society, BARC, Mumbai, India.