Dr, Pawan Kumar

Faculty

Pawan Kumar

Dr. Pawan Kumar

Assistant Professor -Basic & Applied Science

Interest Area(s)

  • Manganites
  • Multiferroics
  • Thin Films
  • Econophysics

Dr. Pawan Kumar, completed his B.Sc.(H) Physics and M.Sc. Physics degree from University of Delhi. During 2005-2007, he has taught Applied Physics course to B.Tech students at SITM, Lucknow. After that he joined Department of PMSE, JIIT, Noida for PhD degree. In 2010 he got prestigious Senior Research Fellowship from CSIR, New Delhi and worked full time as a SRF in CSIR-National Physical Laboratory, New Delhi where he has completed his PhD research work and got PhD degree on 17th June, 2013. He feels very fortunate to have Dr. H.K. Singh, Principal Scientist in CSIR-NPL and Dr. R. K. Dwivedi, Associate Professor in JIIT, Noida as supervisors for his PhD thesis. After his PhD, he got a Research Associate position at IUAC, New Delhi in June, 2013 where he got an opportunity to work with Dr. K. Asokan, Scientist-F, IUAC, New Delhi for his post-doctoral work on Swift Heavy Ion Irradiation Effecton Manganites thin films. He has published several research papers in International journals indexed in global research database Web of Science (SCIE) and SCOPUS. He also presented many research papers in international conferences. He also attended several workshops and conferences.

On 15th July, 2014 he joined K. R. Mangalam University as an Assistant Professor of Physics in School of Basic & Applied Sciences. He is currently teaching physics courses to M.Sc. Physics, B.Sc. (H) Physics, and B.Tech students. Apart from teaching he is also involved in research work and supervising students for PhD degree he is also involved in many activities of the University.

Academic Identity:

 
 
 

  • Ph.D. (Physics and Materials Science & Engineering) [17th June, 2013]
    (In accordance with "UGC Regulations 2009")
    Jaypee Institute of Information Technology (Deemed to be University u/s 3 of the UGC Act, 1956) A-10,
    Sector-62, Noida, Gautam Buddh Nagar-201307, Uttar Pradesh, India.
    Thesis title: "Magnetism and Magnetotransport in Half- and Over-Doped Manganites: Impact of Substrate Induced Strain and Polycrystalline Disorder".
  • M. Sc. (Physics) [2003]
    University of Delhi, Delhi, India.
    Specialization: Condensed Matter Physics & Superconductivity
  • B. Sc. (Hons) Physics [2001]
    University of Delhi, Delhi, India.
  • Intermediate (12th ) [1998]
    CBSE Board, New Delhi, India.
  • High School (10th ) [1996]
    CBSE Board, New Delhi, India.
  • Assistant Professor (Joined on 15th July, 2014)
    School of Basic & Applied Sciences, K. R. Mangalam University, Gurugram, Haryana-122103, India.
  • Research Associate (28th June 2013-31st June, 2014)
    Materials Science Group, Inter-University Accelerator Centre (An Autonomous Centre of University Grants Commission), Aruna Asaf Ali Marg, New Delhi-110067, India.
  • CSIR-Senior Research Fellow (SRF) (1st April 2010 –31st March, 2013)
    Department of Quantum Phenomena and Applications, CSIR-National Physical Laboratory, Dr. K. S. Krishnan Marg, New Delhi-110012, India.
  • Research and Teaching Assistanceship (5th January, 2007 – 31st March, 2010)
    Department of Physics and Materials Science & Engineering, Jaypee Institute of Information Technology (Deemed University), A-10, Sector-62, Noida-201307, Uttar Pradesh, India.
  • Lecturer (Physics) (7th September, 2005 - 4th January, 2007)
    Department of Basic Sciences and Humanities, Saroj Institute of Technology and Management (SITM), Ahimamau, Arjunganj, Sultanpur Road, Lucknow, Uttar Pradesh, India. (Approved by AICTE, MHRD, Govt. of India, accredited by NBA and affiliated by Uttar Pradesh Technical University now Dr. A. P. J. Abdul Kalam Technical University).

PhD RESEARCH GUIDANCE 

  • PhD Thesis (Supervisor): Awarded-01
  • PhD Thesis (Supervisor): Submitted-01
  • PhD Thesis (Supervisor): Ongoing-01
  • PhD Thesis (Co-Supervisor): Ongoing-01

RESEARCH SKILLS


Material preparation techniques 

  • Epitaxial thin film (few nano-meters thin) preparation by DC magnetron sputtering. 
  • Thin film (hundred nano-meters to micro-meters thick) preparation by nebulized spray pyrolysis. 
  • Polycrystalline bulk samples and bulk targets prepared by using solid state reaction (high temperature synthesis) and sol-gel process (low temperature synthesis). 

Surface / Structural Analysis 

  • Structural analysis by X-ray diffraction pattern of polycrystalline bulk sample using Rietveld software (fullProf) and Poudrix. 
  • Strain and structure analysis of X-ray diffraction pattern of epitaxial strained/polycrystalline thin films. 
  • Surface/structural analysis by AFM / HRTEM / SEM. 

Electrical, Magneto-transport and Dielectric Measurements 

  • Electrical and magnetoresistance characterization (77-350K, using liquid N2) of thin films and bulk materials by four probe technique, and also made some four probe set-up during my PhD research work. 
  • Electrical measurement by four probe method using cryostat (10-300K, using Helium gas). 
  • Analysis of resistivity data in various resistivity fitting models using origin software. 
  • Analysis of variation of magnetization with temperature and magnetic field, measured using physical property measurement system (PPMS) (Model: Quantum Design).
  • Dielectric characterization (77-450K, 20Hz to 2MHz) of thin films and bulk materials. 

PRESENTATIONS IN INTERNATIONAL CONFERENCES

  • Sushil Kumar, Pawan Kumar, Sunil Kumar, “Topological properties of global currency exchange rates network in the vicinity of sub-prime crisis of 2008” as oral presentation in the National Conference on Complex Systems in Interdisciplinary Sciences’ held in Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi, India during Mar 11-12, 2019.
  • Sushil Kumar, Pawan Kumar, Shalini Agnihotri, Alok Pandey, Sunil Kumar, “Effect of sub-prime crisis of 2008 on the Global Currency Exchange Rates”, Poster presented in the international conference ‘Conference on Nonlinear systems and Dynamics (CNSD-2018)’ held in Jawaharlal Nehru University, New Delhi during October 11-14, 2018
  • Sushil Kumar, Pawan Kumar, Sunil Kumar, Nivedita Deo, “Effect of Crisis of 2008 on the Structure and Dynamics of the Indian Financial Network”, Poster presented in international Conference “Econophys-2017 & Asia pacific Econophysics Conference (APEC)-2017” organised jointly by Department of Physics & Astrophysics, University of Delhi and Jawaharlal Nehru University, New Delhi during November 15-18, 2017
  • Pooja Devi, Anoop Kumar Vashistha and Pawan Kumar, "Multifractal Detrended Cross Correlation Analysis", Econophys-2017 &  Asia Pacific Econophysics Conference (APEC)-2017, November 15-18, 2017, A joint international conference organized by Jawaharlal Nehru University and University of Delhi, New Delhi (Poster Presentation).
  • Pawan Kumar and H. K. Singh, "Thickness Dependent Structural, Magnetic And Magneto-Transport Properties Of Epitaxial Nd0.50Sr0.50MnO3 Thin Films", International Conference on Condensed Matter & Applied Physics (ICC-2015), October 30-31, 2015, Organised by Govt. Engineering College, Bikaner, Rajasthan (Poster Presentation).
  • Pawan Kumar, R. Prasad, R. K. Dwivedi and H. K. Singh, “Substrate induced enhanced magneto-electrical properties of polycrystalline Nd0.50Sr0.50MnO3 thin films", International Conference on Recent Trends in Advanced Materials (ICRAM-2012), February 20-22, 2012, VIT, Vellore, Tamilnadu, India (Oral Presentation). 
  • Pawan Kumar, R. Prasad, P. K. Siwach, R. K. Dwivedi and H. K. Singh, “Structural and transport properties of B-site Cu doped La0.80Sr0.20MnO3 thin film on LaAlO3 by spray pyrolysis”, ICE-2009, December 13-17, 2009, University of Delhi, Delhi, India (Poster presentation). 
  • A. Gupta, Pawan Kumar, R. Prasad, H. K. Singh, and R. K. Dwivedi, “Compositional tunning of magnetotransport properties in Pb doped NdMnO3”, ICE-2009, December 13-17, 2009, University of Delhi, Delhi, India (Poster presentation). 
  • Pawan Kumar, V. Singh, R. Prasad, H.K. Singh and R. K. Dwivedi, “Magneto electrical studies in LSMO-BTO bulk and nano composites”, ICMAT & IUMRS-ICA, June 28-July 3, 2009, Suntec Singapore International Convention & Exhibition Centre, Singapore. (Oral presentation). 

PRESENTATIONS IN NATIONAL SEMINARS/CONFERENCES

  • Pooja Vats, Sunil Kumar, Pawan Kumar, Anoop Kumar Vashisth, "Statistical Mechanics of Complex System: Network and Nonlinear analysis of financial time series”, National Seminar on Biophysics (Biophysika-2017), March 16, 2017 organized by Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi, India.

WORKSHOPS/CONFERENCES ATTENDED

  • One-day workshop on "Nuclear Physics and Its Applications" Organized by Department of Physics and Materials & Engineering, Jaypee Institute of Information Technology, Noida & Sponsored by The National Academy of Sciences India (Delhi Chapter) on 25th March, 2017.
  • National workshop on "Computational Software-MATLAB", Organized by Department of Mathematics, School of Basic & Applied Sciences, K. R. Mangalam University, Gurgaon, Haryana, India on 18th March, 2016.
  • Two-day workshop on "Characterization of materials by X-ray diffraction" Organized by Department of Physics & Electronics, Hans Raj College, University of Delhi on February 23-24, 2016.
  • One-day workshop on "Light and Light-based Technologies" Organized by Department of Physics and Materials & Engineering, Jaypee Institute of Information Technology, Noida & Sponsored by The National Academy of Sciences India (Delhi Chapter) on 18th November, 2015.
  • “Workshop on Nano and Advanced Materials and their Applications (WONAMA-2012)” under UGC networking centre organized by Department of Physics, Banaras Hindu University, Varanasi, India, 10-16th April, 2012.
  • International Conference on Quantum Effects in Solids of Today (I-ConQuEST) & K. S. Krishnan Discussion Meeting on the Frontiers of Quantum Science (FQS2010) & Indo-US Workshop on Physics & Applications of Quantum Phases in Condensed Matter, held at National Physical Laboratory, New Delhi, during 20-23rd December, 2010.
  • One-day workshop on “Advanced Materials and Nanotechnology”, organized by Department of Physics and Materials Science & Engineering, Jaypee Institute of Information Technology University, NOIDA on 21st November, 2009.
  • One day workshop on “Fundamentals and Applications of Optics”, organized by Department of Physics and Materials Science & Engineering, Jaypee Institute of Information Technology University, NOIDA on 20th September, 2008.

MEMBERSHIP, FELLOWSHIPS & AWARDS

  • MRSI (Materials Research Society of India) lifetime membership (Membership No. LMB 1914). 
  • Research Associateship of IUAC (UGC Research Lab), New Delhi, India, from 28th June 2013 to 14th July 2014. 
  • Senior Research Fellowship of CSIR, India, from 1st April 2010 to 31st March 2013 availed at CSIR-National Physical Laboratory, New Delhi, India. 
  • Topper of B.Sc. (H) Physics, 1998-2001 batch of Moti Lal Nehru College, University of Delhi, Delhi, India. 

LIST OF PUBLICATIONS [TOTAL: 22]

[INDEXED IN WEB OF SCIENCE (SCIE) & SCOPUS]

AFTER JOINING KRMU (FROM 15 JULY 2014 TO TILL DATE) WITH KRMU AFFILIATION:

  • Subhash Sharma, Pawan Kumar, Vikash Singh, R. K. Dwivedi, J. M. Siqueiros, O. Raymond Herrera, “Structural and electrical behavior of (0.70) BiFe(1-x)Co(x)O3 - (0.30) PbTiO3 solid solutions prepared by simple sol-gel route”, ECS Journal of Solid State Science and Technology, Accepted manuscript online 10 September 2021. (Impact Factor: 2.070, Cite Score: 3.7, ISSN: 2162-8769, E-ISSN: 2162-8777, Publisher: The Electrochemical Society/IOP Science, DOI: https://doi.org/10.1149/2162-8777/ac258e). (WoS-SCIE & Scopus)
  • Pooja Devi, Pawan Kumar, Sunil Kumar, “Multi-fractal detrended cross-correlation analysis (MFDCCA) approach to study effect of global crisis and demonetization on financial sector of India”, Mathematics in Engineering, Science & Aerospace, vol. 12, issue 2, pp. 601-614, 25 May 2021. (Cite Score: 1.3, ISSN: 2041-3165, E-ISSN: 2041-3173, Publisher: Cambridge Scientific Publishers Ltd., Web link: http://www.nonlinearstudies.com/index.php/mesa/article/view/2568). (Scopus)
  • Sorabh Aggarwal, Raj Kumar, Sushil Kumar, Mona Bhatnagar, Pawan Kumar, “Computational fluid dynamics based analysis for optimization of various thermal enhancement techniques used in evacuated tubes solar collectors: A review”, Materials Today: Proceedings, vol. 46, part 17, pp. 8700-8707, 27 April 2021. (Cite Score: 1.8, E-ISSN: 2214-7853, Publisher: Elsevier, DOI: https://doi.org/10.1016/j.matpr.2021.04.021). (Scopus)
  • Vikash Singh, Pawan Kumar, Subhash Sharma, RK Dwivedi, “Structural, Magneto-Transport Properties of Lead Doped NdMnO3 Ceramics”, ECS Journal of Solid State Science and Technology, vol. 10, issue 3, pp. 033004, 25 March 2021. (Impact Factor: 2.070, Cite Score: 3.7, ISSN: 2162-8769, E-ISSN: 2162-8777, Publisher: The Electrochemical Society/IOP Science, DOI: https://doi.org/10.1149/2162-8777/abedd6). (WoS-SCIE & Scopus)
  • Pooja Devi, Pawan Kumar, Ravendra Singh, Sunil Kumar, “Multifractal detrended fluctuation analysis approach to study period of crisis of YES bank”, Nonlinear Studies, vol. 28, issue 1, pp. 211-217, 23 February 2021. (Cite Score: 1.2, ISSN: 1359-8678, E-ISSN: 2153-4373, Publisher: Cambridge Scientific Publishers Ltd., Web link:  http://nonlinearstudies.com/index.php/nonlinear/article/view/2491). (Scopus)
  • Vikash Singh, Pawan Kumar, Subhash Sharma, R. K. Dwivedi, "Structural and Magneto-Transport Properties of (1-x)La0.70Sr0.30MnO3 – (x)ErMnO3 (x = 0.00, 0.10, 0.20, and 0.30) Composite", Journal of Superconductivity and Novel Magnetism, vol. 34, issue 3, pp. 859-864, 7 January 2021. (Impact Factor 1.506, Cite Score: 2.5 ISSN: 1557-1939, E-ISSN: 1557-1947, Publisher: Springer Nature, DOI: https://doi.org/10.1007/s10948-020-05782-x). (WoS-SCIE & Scopus)
  • Sushil Kumar, Sunil Kumar, Pawan Kumar, "Diffusion entropy analysis and random matrix analysis of the Indian stock market", Physica A: Statistical Mechanics and its Applications, vol. 560, pp.125122 (24pages), 15 December 2020. (Impact Factor 3.263, Cite Score: 5.6, ISSN: 0378-4371, Publisher: Elsevier, DOI: https://doi.org/10.1016/j.physa.2020.125122). (WoS-SCIE & Scopus)
  • Vikash Singh, Pawan Kumar, R. K. Dwivedi, "Structural and Magneto-Electrical Properties of (1-x) La0.70Sr0.30MnO3- xBaTiO3 (x = 0.10 and 0.20)", Journal of Superconductivity and Novel Magnetism, vol. 34, issue 2, pp. 525-530, 11 October 2020. (Impact Factor 1.506, Cite Score: 2.5, ISSN: 1557-1939, E-ISSN: 1557-1947, Publisher: Springer Nature, DOI: https://doi.org/10.1007/s10948-020-05715-8). (WoS-SCIE & Scopus)
  • Sushil Kumar, Sunil Kumar, Pawan Kumar, "An Econophysics approach to analyze the correlations in the stocks of S&P500 index of India", International Journal of Emerging Technology, vol. 11, issue 3, pp. 845-852, 15 June 2020. (Cite Score: 0.3, ISSN: 0975-8364, Publisher: Research Trends, Scopus Link: https://www.scopus.com/authid/detail.uri?authorId=57191835446). (Scopus)
  • L. K. Kandpal, S. Singh, Pawan Kumar, P. K. Siwach, A. Gupta, V.P.S. Awana, H. K. Singh, “Magnetic anisotropy and anisotropic magnetoresistance in strongly phase separated manganite thin films”, Journal of Magnetism and Magnetic Materials, vol. 408, pp. 60-66, 15 June 2016. (Impact Factor 2.993, Cite Score: 5.1, ISSN: 0304-8853, Publisher: Elsevier, DOI: https://doi.org/10.1016/j.jmmm.2016.02.022). (WoS-SCIE & Scopus)
  • P. K. Jha, P. A. Jha, Pawan Kumar, K. Asokan, R. K. Dwivedi, “Gradient core-shell microstructure in mixed valence multiferroic: TM (Ti, Nb, W) substituted bismuth ferrite”, Journal of Alloys and Compounds, vol. 667, pp. 178-183, 15 May 2016. (Impact Factor: 5.316, Cite Score: 8.9, ISSN: 0925-8388, Publisher: Elsevier, DOI: https://doi.org/10.1016/j.jallcom.2016.01.170). (WoS-SCIE & Scopus)
  • Pawan Kumar and H. K. Singh, "Thickness Dependent Structural, Magnetic And Magneto-Transport Properties Of Epitaxial Nd0.50Sr0.50MnO3 Thin Films", AIP Conference Proceedings, vol. 1728, pp. 020587, 10 May 2016, (Cite Score: 0.7, Publisher: American Institute of Physics, ISSN: 0094-243X, DOI: https://doi.org/10.1063/1.4946638). (Scopus)
  • R. K. Dwivedi, P. K. Jha, P. A. Jha, Pawan Kumar, “Structural-Electrical property correlation in defect induced nanostructured off-stoichiometric bismuth ferrite: A defect analysis”, Materials Chemistry and Physics, vol. 164, pp.15-22, 15 August 2015 (Impact Factor 4.094, Cite Score: 5.6, ISSN: 0254-0584, Publisher: Elsevier, DOI: https://doi.org/10.1016/j.matchemphys.2015.08.012). (WoS-SCIE & Scopus)
  • P. K. Jha, P. A. Jha, V. Singh, Pawan Kumar, K. Asokan, R. K. Dwivedi, “Diffuse phase ferroelectric vs polomska transition in (1-x)BiFeO3 - (x)BaZr0.025Ti0.975O3 (0.1 ≤ x ≤ 0.3) solid solutions”, Journal of Applied Physics, vol. 117, pp. 024102, 9 January 2015 (Impact Factor 2.546, Cite Score: 4.4, ISSN: 0021-8979, E-ISSN: 1089-7550, Publisher: American Institute of Physics, DOI: https://doi.org/10.1063/1.4905715). (WoS-SCIE & Scopus)

BEFORE JOINING KRMU (FROM 6 AUGUST 2007-29 MAY 2014):

  • S. Singh, Pawan Kumar, P. K. Siwach, P. K. Tyagi, and H. K. Singh, “Supercooling transition in phase separated manganite thin films: An electrical transport study”, Applied Physics Letters, vol. 104, pp. 212403 (4), 29 May 2014. (Impact Factor 3.791, Cite Score: 6.9, ISSN: 0003-6951, E-ISSN: 1077-3118, Publisher: American Institute of Physics, DOI: https://doi.org/10.1063/1.4880725). (WoS-SCIE & Scopus)
  • P. K. Jha, P. A. Jha, Pawan Kumar, K. Asokan, R. K. Dwivedi, "Defect induced weak ferroelectricity and magnetism in cubic off-stoichiometric nano bismuth iron garnet: effect of milling duration", Journal of Materials Science: Materials in Electronics, vol. 25, pp. 664-672, 2014. (Impact Factor 2.478, Cite Score: 4.0, ISSN: 0957-4522, Publisher: Springer Nature, DOI: https://doi.org/10.1007/s10854-013-1628-x). (WoS-SCIE & Scopus)
  • Pawan Kumar, R. Prasad, A. K. Srivastava, N. Vijayan, R. K. Dwivedi, H. K. Singh, “Microstructural and magnetotransport properties of La1-xCaxMnO3 (0.45 ≤ x ≤ 0.60) thin films”, Journal of Alloys and Compounds, vol. 531, pp. 23-29, 5 August 2012. (Impact Factor: 5.316, Cite Score: 8.9, ISSN: 0925-8388, Publisher: Elsevier, DOI: https://doi.org/10.1016/j.jallcom.2012.03.111). (WoS-SCIE & Scopus)
  • Pawan Kumar, R. Prasad, A. K. Srivastava, H. K. Singh, R. K. Dwivedi and M. P. Singh, “Anomalous weak ferromagnetism in electron-doped Nd1-xSrxMnO3 (0.50 ≤ x ≤ 0.62) thin films”, Journal of Korean Physical Society, vol. 59, issue 4, pp. 2792-2796, 14 October 2011. (Impact Factor 0.649, Cite Score: 1.0, ISSN: 0374-4884, E-ISSN: 1976-8524, Publisher: Han'guk Mulli Hakhoe, DOI: https://doi.org/10.3938/jkps.59.2792). (WoS-SCIE & Scopus)
  • Pawan Kumar, R. Prasad, R. K. Dwivedi and H. K. Singh, “Out-of-plane low field anisotropic magnetoresistance in Nd0.51Sr0.49MnO3 thin films”, Journal of Magnetism and Magnetic Materials, vol. 323, issue 21, pp. 2564-2568, November 2011. (Impact Factor 2.993, Cite Score: 5.1, ISSN: 0304-8853, Publisher: Elsevier, DOI: https://doi.org/10.1016/j.jmmm.2011.05.032). (WoS-SCIE & Scopus)
  • Pawan Kumar, R. K. Dwivedi, R. Prasad, P. K. Siwach and H. K. Singh, “Magneto-transport properties of La0.80Sr0.20Mn1-xCuxO3 thin films fabricated by using spray pyrolysis”, Journal of Korean Physical Society, vol. 58, issue 1, pp. 58-63, 14 January 2011. (Impact Factor 0.649, Cite Score: 1.0, ISSN: 0374-4884, E-ISSN: 1976-8524, Publisher: Han'guk Mulli Hakhoe, DOI: https://doi.org/10.3938/jkps.58.58). (WoS-SCIE & Scopus)
  • H. K. Singh, Pawan Kumar, R. Prasad, M. P. Singh, V. Agarwal, P. K. Siwach and P. Fournier, “Impact of magnetic phase coexistence on magnetotransport in polycrystalline Nd0.51Sr0.49MnO3 thin film”, Journal of Physics D: Applied Physics, vol. 42, pp. 105009, 30 April 2009. (Impact Factor 3.206, Cite Score: 5.9, ISSN: 0022-3727, E-ISSN: 1361-6463, Publisher: IOP Publishing, DOI: https://doi.org/10.1088/0022-3727/42/10/105009). (WoS-SCIE & Scopus)
  • R. K. Dwivedi, Pawan Kumar, S. K. Mishra, “Nanosynthesis of lead-doped neodymium manganite powder and characterization”, Synthesis and Reactivity in Inorganic, Metal-Organic and Nano-Metal Chemistry, vol. 37, issue 6, pp. 443-446, 6 August 2007. (Impact Factor 0.827, Cite Score: 1.9, ISSN: 1553-3174, Publisher: Taylor & Francis, DOI: http://dx.doi.org/10.1080/15533170701468592). (WoS-SCIE & Scopus)