Faculty Details

Areas of Interest

• Magnetoelectronics
• Superconductivity
• Novel Magnetic Materials

Current Research

Students

Current PhD Students

• PH15D045    HARIKRISHNAN R
• PH16D202    NIKHIL SACHAN
• PH23D026    Jamaluddin

Recent Publications

• Spin semimetallic behavior and sublattice spin crossover in the fully compensated ferrimagnetic half-Heusler compound (Co0.5Mn0.5)MnAl.. 1. R. Harikrishnan, Jatin Kumar Bidika, B. R. K. Nanda, Arout J. Chelvane, S. D. Kaushik, P. D. Babu, and Harish Kumar Narayanan . Physical Review B. 108. 094407.
  DOI: 10.1103/PhysRevB.108.094407. 2023.
• Enhancement of weak magnetism of 3C–SiC by 3d-transition metal doping.. 2. Gyanti Prakash Moharana, S.K.Singh, Harish Kumar Narayanan. Solid State Communications. 369. 115217.
  DOI: 10.1016/j.ssc.2023.115217. 2023.
• F+ center exchange mechanism and magnetocrystalline anisotropy in Ni-doped 3C-SiC. 3. Gyanti Prakash Moharana, Rahul Kothari, S.K.Singh, P.D.Babu, Harish Kumar Narayanan. Journal of Magnetism and Magnetic Materials. 555. 169358.
  DOI: 10.1016/j.jmmm.2022.169358. 2022.
• Neutron diffraction and ab initio studies on the fully compensated ferrimagnetic characteristics of Mn2V1-x Cox Ga Heusler alloys. Midhunlal P.V., Venkatesh C , Chelvane J.A., Babu P.D., Kumar N.H. Condensed Matter. 34. 125801.
  DOI: doi.org/10.1088/1361-648X/ac4532. 2022.
• Ferromagnetism in Mn doped 3C-SiC: A variable temperature ESR study. Gyanti Prakash Moharana, S.K. Singh, Harish Kumar Narayanan. Journal of Magnetism and Magnetic Materials. 527. 167707.
  DOI: doi.org/10.1016/j.jmmm.2020.167707. 2021.
• Mn2V0.5Co0.5Z (Z = Ga, Al) Heusler alloys: High TC compensated P-type ferrimagnetism in arc melted bulk and N-type ferrimagnetism in melt-spun ribbons. P.V. Midhunlal, J. Arout Chelvane, D. Prabhu, Raghavan Gopalan, N. Harish Kumar. Journal of Magnetism and Magnetic Materials. 489. 165298.
  DOI: doi.org/10.1016/j.jmmm.2019.165298. 2019.
• Role of spin, phonon and plasmon dynamics on ferromagnetism in Cr doped 3C-SiC. Gyanti Prakash Moharana, Rahul Kothari, Harish Kumar Narayanan, S.K. Singh. Journal of Magnetism and Magnetic Materials. 491. 165505.
  DOI: doi.org/10.1016/j.jmmm.2019.165505. 2019.
• Coexistence of cluster ferromagnetism and cluster spin-glass like behaviour in melt-quenched Cu2Mn0.5Fe0.5Al Heusler alloy . B. Venkateswarlu, R. Hari Krishnan, J. Arout Chelvane, P.D. Babu, N. Harish Kumar. Journal of Alloys and Compounds. 777 . 373.
  DOI: https://doi.org/10.1016/j.jallcom.2018.10.327. 2018.
• Investigation of magnetic order and spin dynamics in Mn doped 3C-SiC . Gyanti Prakash Moharana, S.K. Singh, P.D. Babu, Harish Kumar Narayanan. Journal of Alloys and Compounds. 765 . 314. 2018.
• Near total magnetic moment compensation with high Curie temperature in Mn2V0.5Co0.5Z (Z = Ga,Al) Heusler alloys . P V Midhunlal, J Arout Chelvane, U M Arjun Krishnan, D Prabhu, R Gopalan and N Harish Kumar . Journal of Physics D: Applied Physics. 51 . 075002.
  DOI: https://doi.org/10.1088/1361-6463/aaa564. 2018.
• Magnetic and anomalous electronic transport properties of the quaternary Heusler alloys Co2Ti1-xFexGe . B. Venkateswarlu, P.V.Midhunlal, P.D.Babu, N.HarishKumar . Journal of Magnetism and Magnetic Materials . 407 . 142–147.
  DOI: http://dx.doi.org/10.1016/j.jmmm.2016.01.059. 2016.
• Electrical surface-resistivity, dielectric resonance, polarization and magnetic properties of Bi0.5Sr0.5FeO3−δ thin films grown by pulsed laser deposition . K. Balamurugan, B Ramachandran, M Krishna Surendra, N Harish Kumar, M S Ramachandra Rao, and P N Santhosh . Journal of Physics D: Applied Physics. 47 . 355304.
  DOI: 10.1088/0022-3727/47/35/355304. 2014.
• Complex Magnetic Behavior of the Heusler Alloy—Cu2Mn0.75Fe0.25Al . Venkateswarlu, B., Babu, P.D. and Kumar, N.H.. IEEE Transaction on Magnetics. 50 . 6971306.
  DOI: 10.1109/TMAG.2014.2323697. 2014.
• Dielectric resonance and magnetic properties of Fe-3% doped BaSnO3 thin films grown by pulsed laser deposition, . K. Balamurugan, E. Senthil Kumar, B. Ramachandran, S. Venkatesh, N. Harish Kumar, M.S. Ramachandra Rao, and P.N. Santhosh, . J. Appl. Phys.. 111. 074107. 2012.
• Effect of W co-doping on the optical, magnetic and electrical properties of Fe-doped BaSnO3, . K. Balamurugan, N. Harish Kumar, J. Arout Chelvane, P. N. Santhosh, . Physica B. 407. 2519. 2012.
• Investigation of atomic anti-site disorder and ferromagnetic order in half-metallic Heusler alloy Mn2VGa, . K. Ramesh Kumar, N. Harish Kumar, P. D. Babu, S. Venkatesh and S. Ramakrishnan, . J. Phys.: Condens. Matter. 24. 336007. 2012.
• Magnetic and transport properties of transparent SrSn0.9Sb0.05Fe0.05O3 semiconductor films, . G. Prathiba, S. Venkatesh, K. Kamala Bharathi, and N. Harish Kumar, . J. Appl. Phys.. 109. 07C320. 2011.
• Half metallic Co2TiGe—a theoretical and experimental investigation, . G. Prathiba, S. Venkatesh, M. Rajagopalan, N. Harish Kumar, . J. Magn.Magn. Mater.. 323. 22. 2011.
• Structural, magnetic and semiconducting properties of Fe doped SrSnO3, . G. Prathiba S. Venkatesh, N. Harish Kumar,. Solid State Communications. 150. 1436. 2010.
• Effect of Co substitution on the magnetic and transport properties of the half-metallic ferrimagnet Mn2VGa, . Ramesh Kumar, K., J. Arout Chelvane, S. K. Malik, G. Markandeyulu and N. Harish Kumar,. Solid State Commun. 150. 70. 2010.
• Multiferroic properties of Bi1/2Sr1/2FeO3, . Balamurugan, K., Harish Kumar, N., Santhosh, P.N.,. Journal of Applied Physics. 105. 07D909. 2009.
• Magnetic and optical properties of Mn-doped BaSnO3, . K. Balamurugan, N. Harish Kumar, B. Ramachandran, M. S. Ramachandra Rao, J. Arout Chelvane, and P. N. Santhosh, . Solid-State Commun.. 149. 884. 2009.
• Room temperature ferromagnetism in Fe-doped BaSnO3, . K. Balamurugan, N. Harish Kumar, J. Arout Chelvane, and P. N. Santhosh,. J. Alloys Compd.. 472. 9. 2009.
• First-priniciples calculation and experimental investigation on full Heusler alloy Co2FeGe, . Ramesh Kumar, K., K. Kamala Bharathi, J. Arout Chelvane, S. Venkatesh, G. Markandeyulu and N. Harish Kumar, . IEEE trans. Magn. 45. 3997. 2009.
• Cluster glass properties and magnetic phase separation studies of NdxBi0.5−xSr0.5MnO3 (x = 0.1, 0.2, 0.3 and 0.4), . S Savitha Pillai, P N Santhosh, N Harish Kumar, P John Thomas and F Tuna,. J. Phys.: Condens. Matter. 21. 195409. 2009.
• Structural, magnetic and transport properties of half-metallic ferrimagnet Mn2VGa, . Ramesh Kumar, K., N. Harish Kumar, G. Markandeyulu, J. Arout Chelvane, V. Neu and P. D. Babu, . J. Magn. Magn. Mater. 320. 2737. 2008.
• Optimisation of single La2Zr2O7 buffer layers for YBCO coated conductors prepared by chemical solution deposition, . S. Engel, R. Hühne, K. Knoth, A. Chopra, N.H. Kumar, V.S. Sarma, P.N. Santhosh,. Journal of Crystal Growth,. 310. 4295. 2008.

Teaching

• 2017 :  (Jan - May) - PH6013 Functional Materials Sensors and Transducers; (Jul - Nov) - PHPCT0 Preparatory Course - Physics Theory/ PH5330 -Laboratory for Synthesis and characterization of Functional
• 2018 :  (Jan - May) - PH5350 Laboratory for Physical Property Measurement and Transducer / Sensor Element Characteristics of Func/ PH6013 Functional Materials Sensors and Transducers; (Jul - Nov) - PH5
• 2019 :  (Jan - May) - PH5350 Laboratory for Physical Property Measurement and Transducer / Sensor Element Characteristics of Func; (Jul - Nov) - EP4140 Project/ PH5310 Synthesis and Characterization of
• 2020 :  (Jan - May) - PH5350 Laboratory for Physical Property Measurement and Transducer / Sensor Element Characteristics of Func/ PH5462 Magnetism in Solids; (Jul - Nov) - PH5310 Synthesis and Charact
• 2021 :  (Jan - May) - EP3220 Solid State Physics/ PH5350 Laboratory for Physical Property Measurement and Transducer / Sensor Element Characteristics of Func; (Jul - Nov) - PH5310 Synthesis and Characterization of Functional Materials / PH5330 Laboratory for Synthesis and characterization of Functional Materials
• 2022 :  (Jan - May) - EP3220 Solid State Physics / PH5350 Laboratory for Physical Property Measurement and Transducer / Sensor Element Characteristics of Func ; (Jul - Nov) - PH5310 Synthesis and Characterization of Functional Materials / PH5330 Laboratory for Synthesis and characterization of Functional Materials
• 2023 :  (Jan - May) - PH5350 Laboratory for Physical Property Measurement and Transducer / Sensor Element Characteristics of Func / PH6013 Functional Materials Sensors and Transducers / PH6015 Advanced Materials and Nanotechnology Lab