Dr.Samir Kumar Giri

DR. Samir Kumar Giri

Assistant Professor

Department Physics
Phone No. +91 97755 49951
Email Id samirphy985@gmail.com
Qualification M.Sc., Ph.D.
Teaching Experience 1 month 11 days
Research Experience and Area

Occupational field:

Magnetic and electrical properties in nanostructured oxide &multiferroics materials and micro-magnetic device applications

Occupation or position held:

2016 – 2019: Postdoctoral fellow, Department of Materials Science, University of Cambridge, UK.

2014 – 2016: Research Associate, Department of Physics,Indian Institute of Technology Kharagpur, India

2009 – 2014:Ph. D. Student, Department of Physics,Indian Institute of Technology Kharagpur, India

2008 – 2009:Project Scholar, Department of Physics,Indian Institute of Technology Kharagpur, India

Publications

Internatinal:

  1. Influence of atomic roughness at the uncompensated Fe/CoO (111) interface on the exchange-bias effect, R. Wu, M. Xue, T. Maity, Y. Peng, S. K. Giri, G. Tian, JL MacManus-Driscoll,Jinbo Yang, Physical Review B,101 (1), 014425 (2020).
  2. Strain induced extrinsic magnetocaloric effects in La0.67Sr0.33MnO3 thin films, controlled by magnetic field, S. K. Giri, JL MacManus-Driscoll, W. Li, R. Wu, T. K. Nath, T. S. Maity, Journal of Physics D: Applied Physics,52 (16), 165302 (2019).
  3. Size modulated Griffiths phase and spin dynamics in double perovskite Sm1. 5Ca0. 5CoMnO6, R. C. Sahoo,Sananda Das, S. K. Giri,D. Paladhi, T. K. Nath, Journal of Magnetism and Magnetic Materials, 469, 161 (2019)
  4. Giant Spontaneous Exchange Bias Effect in Sm1.5Ca0.5CoMnO6Perovskite, S. K. Giri, R. C. Sahoo, PapriDasgupta, A. Poddar and T. K. Nath, Journal of Physics D: Applied Physics, 49, 165002 (2016).
  5. Evidence of cluster-glass-like state at low temperature in anti-site disordered La1.5Ca0.5CoMnO6 double perovskite, R. C. Sahoo, S. K. Giri, D. Paladhi, A. Das, and T. K. Nath, Journal ofApplied Physics, 120, 033906 (2016).
  6. Exchange bias effect in ferromagnetic LaSrCoMnO6 double perovskite: Consequence of spin glass-like ordering at low temperature, R. C. Sahoo, S. K. Giri, PapriDasgupta, A. Poddar and T. K. Nath, Journal of Alloys and Compounds, 658, 1003 (2016).
  1. Effect of Erbium substitution on temperature and field dependence of thermally activated flux flow resistance in Bi-2212 superconductor, Paladhi, P. Mandal, R. C. Sahoo, S. K. Giri and T. K. Nath, Physica B: Condensed Matter, 502, 113 (2016).
  1. Strain modulated large magnetocaloric effect in Sm0.55Sr0.45MnO3 epitaxial films, S. K. Giri, PapriDasgupta, A. Poddar, R. C. Sahoo, D. Paladhi and T. K. Nath, Applied Physics Letters,106, 023507 (2015).
  2. Tuning of normal and inverse magnetocaloric effect in Sm0.35Pr0.15Sr0.5MnO3 phase separated manganites, S. K. Giri, PapriDasgupta, A. Poddar and T. K. Nath, Journal of Alloys and Compounds, 631, 266 (2015).
  3. Large Magnetocaloric Effect and Critical Behavior in Sm0.09Ca0.91MnO3 Electron Doped Nanomanganite, S. K. Giri, PapriDasgupta, A. Poddar, and T. K. Nath, Europhysics Letters, 105, 47007 (2014).
  4. Enhanced exchange bias effect in size modulated Sm0.5Ca0.5MnO3 phase separated manganite, S. K. Giri, S. M.Yusuf, M. D. Mukadam and T. K. Nath, Journal of Applied Physics, 115 , 093906 (2014).
  1. An investigation of low temperature electronic phase arrest in Sm55Sr0.45MnO3 phase separated manganite, S. K. Giri and T. K. Nath, Journal of Applied Physics, 115 , 053902 (2014).
  2. Emergence of Griffiths phase and glassy mixed phase in Sm5Ca0.5MnO3nanomanganites, S. K. Giri, S. M. Yusuf, M. D. Mukadam, T. K. Nath, Journal of Alloys and Compounds, 591, 181 (2014).
  3. Field induced ferromagnetic phase transition and large magnetocaloric effect in Sm55Sr0.45MnO3 phase separated manganites, S. K. Giri, PapriDasgupta, A. Poddar, A.K. Nigam, T.K. Nath, Journal of Alloys and Compounds, 582, 609 (2014).
  4. Invited Review Article: Exchange bias effect in nanostructured magnetic oxides, S. K. Giri and T. K. Nath, Journal of Nanoscience Nanotechnology, 14, 1209-1230 (2014).
  5. Exchange bias effect concerned with tunneling magnetoresistance in Sm35Pr0.15Sr0.5MnO3 phase separated manganites, S. K. Giri, Proloy. T. Das, S. K. Hazra, T. K. Nath, IEEE Transactions on Magnetics, 50, 2000504 (2014).
  6. Co-existence of Griffiths phase and ferromagnetic insulating state in electron doped nanomanganite, S. K. Giri, P. T. Das and T. K. Nath, Physica B: Condensed Matter, 448, 80 (2014).
  1. Strain induced first order magnetic phase transition in epitaxial Sm0.35Pr0.15Sr0.5MnO3 thin film, S. K. Giri and T. K. Nath, Journal of Superconductivity and Novel Magnetism, 27, 1 (2014).
  1. Field-induced magnetic phase transition in Pr3+ doped Sm5Sr0.5MnO3manganites,S. K. Giri, and T. K. Nath Journal of Applied Physics, 113, 17D706 (2013).
  2. Evidence of exchange bias effect and surface spin glass ordering in electron doped Sm09Ca0.91MnO3nanomanganites, S. K. Giri, A. Poddar and T. K. Nath, Journal of Applied Physics, 112, 113903 (2012).
  3. Evidence of glassy ferromagnetic phase and kinetic arrest of electronic phase in Sm35Pr0.15Sr0.5MnO3manganites, S. K. Giri and T. K. Nath, Journal of Magnetism and Magnetic Materials,324, 2277 (2012).
  4. Sign reversal of junction magnetoresistance in p – La7Ca0.3MnO3/SiO2/n – Si heterostructure : A possibility in Spintronics Application, S. K. Giri and T. K. Nath, Journal of Nanoscience Nanotechnology, 12, 7822-7831 (2012).
  5. Surface spin glass and exchange bias effect in Sm5Ca0.5MnO3manganitesnano particles, S. K. Giri, A. Poddar and T. K. Nath, AIP Advances, 01, 032110 (2011).
  6. Suppression of charge and antiferromagnetic ordering in La5Ca0.5MnO3 nanoparticles, S. K. Giri and  T. K. Nath, Journal of Nanoscience and Nanotechnology,11, 4806-4814 ( 2011).
  7. Modification of transport and magnetic behavior in half doped charge ordered nanocrystalline manganite Sm5Ca0.5MnO3, S. K. Giri and T. K. Nath,International Journal of Nanoscience, 10, 285-290 (2011).

Proceedings

  1. Size-Induced Exchange Bias Effect and Griffiths Phase in Electron Doped Sm09Ca0.91MnO3manganites, S. K. Giriand T. K. Nath, IOP Conference Series: Materials Science and Engineering, 73, 012148 (2015).
  2. Electrical and Magneto-electronic Properties of p-La7Ca0.3MnO3/ SrTiO3/n-Si Heterostructure for Spintronics Application, J. Panda, S. K. Giri, and T. K. Nath, IOP Conference Series: Materials Science and Engineering, 73, 012134 (2015).
  3. Fabrication of Low Cost and high precision Thermoelectric Power Setup in the Temperature Range of 77 – 300 K, S. K. Hazra, S. K. Giri and T. K. Nath, American Institute of Physics (AIP) Proceedings, 1665, 060013 (2015).
  4. Sr doping effect on micro structural, transport and magnetic properties in Pr1-xSrxMnO3 (0.2 ≤ x≤ 0.4) nanomanganite, Proloy T. Das, S. K. Giri, A. Taraphder, and T. K. Nath, American Institute of Physics (AIP) Proceedings 1665, 130053 (2015).
  5. Magneto-electric properties of nano sized 0.5Zn5Co0.5Fe2O4-0.5BaTiO3 composite ceramics, PatriTirupathi, S. K. Giri and K. Prabahar, PhysicaProceedia, 54, 145 (2014).
  6. Enhanced Room Temperature Magnetoresistance In p-La7Ca0.3MnO3/SrTiO3/n-Si Heterostructure: A Possible Spintronics Application, S. K. Giri, J. Panda, S. K. Hazra, P. T. Das and T. K. Nath, American Institute of Physics (AIP) Proceedings, 1591, 1639 (2014).
  7. Design and development of low cost thermoelectric power setup in the temperature range of 30 – 320 K up to a magnetic field of 8 T, K. Giri, S. K. Hazra, and T. K. Nath, American Institute of Physics (AIP) Proceedings, 1512, 456 (2013).
  8. Evidence of spin glass like ordering and electronic phase arrest in Pr3+ doped Sm5Sr0.5MnO3 bulk manganites, S. K. Giri and T. K. Nath, American Institute of Physics (AIP) Proceedings, 1447, 1221 (2012).
  9. Surface spin glass ordering and exchange bias in nanometric Sm09Ca0.91MnO3 Manganites, S. K. Giri and T. K. Nath, American Institute of Physics (AIP) Proceedings, 1349 (PART A) , pp. 361-362 (2011).
  10. Effect of substitution of of La3+ by Gd3+ in the magneto- and electronic transport properties of La7Ca0.3MnO3, S. K. Giri and T. K. Nath, Proceedings of DAE Solid State Physics Symposium, 53, 441(2008).
Seminar Attended
  1. Disappearance of charge ordering and emergence of ferromagnetism in Nanoparticles of La5Ca0.5MnO3, S. K. Giri and T. K. Nath, Proceedings on Magnetic Nanomaterials and their Applications (MNTA-2009), page no. 29 (2009), S. N. Bose Center for Basic sciences, Kolkata.
  2. Modification of Transport and Magnetic Behavior in Half-doped Charge Ordered Nanocrystalline Manganite Sm5Ca0.5MnO3, S. K. Giri and T. K. Nath,  Proceedings on International Conference on Advanced Nanomaterials and Nanotechnology (ICANN-2009), Indian Institute of Technology Guwahati, page 384, Center for Nanotechnology, IITG (2009).
  3. Large Low Field Magnetoresistance in La7-xGdxSr0.3MnO3 (0 < x < 0.3) bulk and nanometric CMR manganites, S. K. Giri and T. K. Nath, Proceedings on  20th Annual General Meeting, Materials Research Society of India, Saha Institute of Nuclear Physics, Kolkata, page no. 139,  Material Research Society of India (2009) .
  4. Linear and non linear ac magnetic susceptibility measurements in Sm35Pr0.15Sr0.5MnO3manganites, S. K. Giri, S. Kundu and T. K. Nath, National Conference on Magnetic Materials & Applications (MagMA-2011) abstract & proceedings, S. N. Bose National Center For Basic Sciences, Kolkata, page 109, Magnetic Society of India (2011).
  5. Investigations on La7Ca0.7MnO3/SiO2/n-Si and La0.7Sr0.3MnO3/SiO2/p-Si MOS like heterostructure for Spintronics, S. Chattopadhyay, S. K. Giri and T. K. Nath, International Conference on Fundamental and Applications of Nanoscience& Technology (ICFANT 2010) abstract & proceedings, Jadavpur University, School of Material Science & Nanotechnology, Kolkata, 9 – 11 December, 2010,   page no. 116 (2010).
  6. Investigation on La7Ca0.3MnO3/SiO2/n-Si and La0.7Sr0.3MnO3/SiO2/p-Si MOS like heterostructures for Spintronics, T. K. Nath, S. K. Giri and S. Chattopadhyay, Proceedings on International Conference on Materials for Advanced Technologies (ICMAT-2011), Singapore, NUS, MRS Singapore conference, 26 June – 1st July, 2011, page no. 83 (2011).
  7. A complex ac magnetic susceptibility study in Sm35Pr0.15Sr0.5MnO3 bulk manganites, S. K. Giri and T. K. Nath, International Conference on Theoretical and Applied Physics (ICTAP) (2012), IIT Kharagpur.
  8. Surface Spin Glass Ordering and Exchange Bias in Nanometric Sm09Ca0.91MnO3Manganites, S. K. Giri and T. K. Nath, DAE Solid State Physics Symposium, (2011).
  9. Size-Induced Exchange Bias Effect and Griffiths Phase in Electron Doped Sm09Ca0.91MnO3manganites, S. K. Giriand T. K. Nath, ICMST (2012), Kerala.
  10. Enhanced Room Temperature Magnetoresistance In p-La7Ca0.3MnO3/ SrTiO3/n-Si Heterostructure: A Possible Spintronics Application, S. K. Giri, J. Panda, S. K. Hazra, P. T. Das and T. K. Nath, DAE Solid State Physics Symposium, Thapar University, Patiala, India (2013),
  11. Evidence of spin glass like ordering and electronic phase arrest in Pr3+ doped Sm5Sr0.5MnO3 bulk manganites, S. K. Giri and T. K. Nath, DAE Solid State Physics Symposium, (2012). (ORAL Presentation)
  12. Field-induced magnetic phase transition in Pr3+ doped Sm5Sr0.5MnO3manganites,S. K. Giri, and T. K. Nath, MMM/Intermag Conference (2013), Chicago, IL, USA. (ORAL Presentation).
  13. Strain induced first order magnetic phase transition in epitaxial Sm35Pr0.15Sr0.5MnO3 thin film, S. K. Giri and T. K. Nath, 4th International Conference on Superconductivity and Magnetism- ICSM2014, Antalya (2014).
  14. Magnetic and Optical Properties of Phase separated Manganites, S. K. Giri and T. K. Nath, PAOMP 2014, Bhubaneswar, India.
Invited Lecture  Magnetic and Optical Properties of Phase separated Manganites, S. K. Giri and T. K. Nath, PAOMP 2014, Bhubaneswar, India.
Book or Chapter Published
  1. Evidence of Surface Spin Glass Like Ordering and Exchange Bias Effect in Phase Separated Sm0.5Ca0.5MnO3Nanomanganites, S. K. Giri, T. K. Nath, Volume 143 2013, Advanced Nanomaterials and Nanotechnology, Editors: P. K. Giri, D. K. Goswami, A. Perumal ISBN: 978-3-642-34215-8 (Print) 978-3-642-34216-5 (Online).
  1. Emergence of Ferromagnetism in Nanoparticles of Antiferromagnetic Sm5Ca0.5MnO3 and Nd0.4Sr0.6MnO3, S. Kundu, S. K. Giri and T. K. Nath, Synthesis and Characterization of Nanostructured Materials, Macmillan Publishers, page no. 323- 328 (2010), ISBN: 023-033-193-9.
Committee
  • Member Seminar and Project Sub-Committee of Kharagpur College
  • Member Teaching and Learning Sub-Committee of Kharagpur College
Extra Curriculum

Awards:

  1. SERB Overseas Postdoctoral Fellowship Award (2017)
  2. DST travel grant award to attend 12th Joint MMM/Intermag Conference in Chicago, IL, USA.
  3. Student travel grant award by AIP Publishing, LLC and The IEEE Magnetics Society for 12th Joint MMM/Intermag Conference in Chicago, IL, USA.
  4. IIT Kharagpur travel grant award to attend 4th International Conference on Superconductivity and Magnetism- ICSM2014, Antalya, Turkey.
External Reviewing
  1. Journal of Applied Physics
  2. Journal of Alloys and compounds
  3. Journal of Magnetism and Magnetic Materials
  4. International Journal on Communications