Department of Physics

Indian Institute Of Technology Madras , Chennai
Dr. Harish Kumar, N
HSB 103
DESIGNATION

Professor

Ph.D.

University of Hyderabad

CURRENT RESEARCH INTEREST

Superconductivity, Spintronics, Novel magnetic materials, Instrumentation and automation

CONTACT

044 - 2257 4879

nhk@iitm.ac.in

RESEARCH GROUPS

Magnetism and Magnetic Materials


 Current Research :



 Recent Publications :

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

Journal of Physics: Condensed Matter

Volume: 34 Page: 125801 DOI: doi.org/10.1088/1361-648X/ac4532

Year: 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

Volume: 527 Page: 167707 DOI: doi.org/10.1016/j.jmmm.2020.167707

Year: 2021

Coexistence of cluster ferromagnetism and cluster spin-glass like behaviour in mellt-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

Volume: 777 Page: 373 DOI: doi.org/10.1016/j.jallcom.2018.10.327

Year: 2019

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

Volume: 489 Page: 165298 DOI: doi.org/10.1016/j.jmmm.2019.165298

Year: 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

Volume: 491 Page: 165505 DOI: doi.org/10.1016/j.jmmm.2019.165505

Year: 2019

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

Volume: 51 Page: 075002 DOI: https://doi.org/10.1088/1361-6463/aaa564

Year: 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

Volume: 765 Page: 314

Year: 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

Volume: 407 Page: 142–147 DOI: http://dx.doi.org/10.1016/j.jmmm.2016.01.059

Year: 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

Volume: 47 Page: 355304 DOI: 10.1088/0022-3727/47/35/355304

Year: 2014

Complex Magnetic Behavior of the Heusler Alloy—Cu2Mn0.75Fe0.25Al

Venkateswarlu, B., Babu, P.D. and Kumar, N.H.

IEEE Transaction on Magnetics

Volume: 50 Page: 6971306 DOI: 10.1109/TMAG.2014.2323697

Year: 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)

Year: 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)

Year: 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)

Year: 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)

Year: 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)

Year: 2011

Structural, magnetic and semiconducting properties of Fe doped SrSnO3,

G. Prathiba S. Venkatesh, N. Harish Kumar,

Solid State Communications 150, 1436 (2010)

Year: 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)

Year: 2010

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)

Year: 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)

Year: 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)

Year: 2009

Multiferroic properties of Bi1/2Sr1/2FeO3,

Balamurugan, K., Harish Kumar, N., Santhosh, P.N.,

Journal of Applied Physics 105, 07D909 (2009)

Year: 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)

Year: 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)

Year: 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)

Year: 2008