ଜାତୀୟ ବିଜ୍ଞାନ ଶିକ୍ଷା ଏବଂ ଗବେଷଣା ପ୍ରତିଷ୍ଠାନ
ପରମାଣୁ ଶକ୍ତି ବିଭାଗ, ଭାରତ ସରକାରଙ୍କ ଏକ ସ୍ବୟଂଶାସିତ ପ୍ରତିଷ୍ଠାନ

राष्ट्रीय विज्ञान शिक्षा एवं अनुसंधान संस्थान
परमाणु ऊर्जा विभाग, भारत सरकार का एक स्वयंशासित संस्थान

National Institute of Science Education and Research
AN AUTONOMOUS INSTITUTE UNDER DAE, GOVT. OF INDIA

 

Kartikeswar Senapati

Associate Professor
 
 

kartikniser.ac.in
+91-674-2494256

PhD (Physics)@ IIT Kanpur

M.Sc. (Physics) @ Utkal University

Experimental condensed matter physics, Superconductivity and magnetism

                                             ORCiD                 Google Scholar         ResearchGate

2023

  • Fabrication of Ni-NiBi3 ferromagnet-superconductor nanoparticles.
    Laxmipriya Nanda, Subhashree Sahoo, Pratap K Sahoo, & kartik Senapati, Journal of Nanoparticle Research 25, 251 (2023).
  • Phase biasing of a Josephson junction using Rashba–Edelstein effect. 
    Tapas Senapati, Ashwin Kumar Karnad,  & Kartik Senapati, Nature Communications 14, 7415 (2023)
  • Optimization of the superconducting properties of NbTiN thin films by variation of the N2 partial pressure during sputter deposition.
    Pratiksha Pratap, Laxmipriya Nanda, Kartik Senapati, R. P. Aloysius, and Venugopal Achanta, Supercond. Sci. and Technol. 36,  085017 (2023)
  • Bismuth Phase Dependent Growth of Superconducting NiBi3 Nanorods.
    Laxmipriya Nanda, Bidyadhar Das, Subhashree Sahoo, Pratap K. Sahoo, and Kartik Senapati, Journal of Alloys and Compounds 960, 170948 (2023)
  • Emergent quantum transport due to quenched magnetic impurity scattering by antiferromagnetic proximity in SrCuO2/SrIrO3.
    S. Jana, T Senapati, SG Bhat, SN Sarangi, K Senapati, and D Samal, Phys. Rev. B 107, 134415 (2023)."
  • Multiband character revealed from weak antilocalization in platinum thin films.
    Subhadip Jana, T. Senapati, K. Senapati, and D. Samal, Phys. Rev. B 107, 035127 (2023)."
  • Reaction-Diffusion-Driven Stoichiometric Gradient in Coevaporated Superconducting NiBi3 Thin Films.
    Bidyadhar Das, Tapas Ranjan Senapati, Ashok Kumar Yadav, GR Umapathy, Sambhu Nath Jha, Kartik Senapati, Pratap Kumar Sahoo, Cryst. Growth Des. 23, 980–988 (2023).

2022

  • Aspects of long range spin–triplet correlations in superconductor/ferromagnet hetero-structures.
    Ekta Bhatia and Kartik Senapati, Superconductor Science and Technology 35 (9), 094004 (2022).
  • Phase evolution in thermally annealed Ni/Bi multilayers studied by X-ray absorption spectroscopy
    Bidyadhar Das, Madhusmita Sahoo, Abhilash Patra, Ashok K Yadav, SN Jha, Prasanjit Samal, Kartik Senapati, Pratap K Sahoo, Phys. Chem. Chem. Phys. 24, 4415 (2022)

2021

  • Unconventional domain wall magnetoresistance of patterned Ni/Nb bilayer structures below superconducting transition temperature of Nb.
    E Bhatia, Zainab Hussain, VR Reddy, ZH Barber, K Senapati, Journal of Physics: Condensed Matter 33, 295803 (2021).
  • Nanoscale Domain Wall Engineered Spin-Triplet Josephson Junctions and SQUID.
    E Bhatia, A Srivastava, J Devine-Stoneman, NA Stelmashenko, ZH Barber, J. W. A. Robinson, and Kartik Senapati, Nano Letters 21, 3092 (2021).
  • Study of magnetization reversal in Néel and Bloch regime of nickel and permalloy stripes using Kerr microscopy.
    E Bhatia, Z Hussain, VR Reddy, K Senapati, Physica B: Condensed Matter 609, 412877 (2021).

2020

  • Tuning field-emission characteristics of ZnO nanorods through defect engineering via O+ ion irradiation.
    A Singh, K Senapati, R Singh, P Rajput, T Som, PK Sahoo, Journal of Applied Physics 128 , 054304 (2020)
  • Magnetic field tunable superconducting transition in Nb/Co/Py/Nb exchange spring multilayers.
    Ekta Bhatia, J. M. Devine-Stoneman, Zoe H. Barber, J. W. A. Robinson, and Kartik Senapati, Appl. Phys. Lett. 116, 112601(2020). 

2019

  • Domain wall induced modulation of low field HT phase diagram in patterned superconductor- ferromagnet stripes.
    Ekta Bhatia, Zoe H Barber, Ilari J Maasilta, and Kartik Senapati, AIP Advances 9 (4), 045107 (2019)

2018

  • Superconductivity, Kondo effect, and observation of self-organized pattern formation in inter-
    metallic NiBi3 thin films.
    Ekta Bhatia, A. Talapatra, J. R. Mohanty, K. Senapati, Intermetallics 94, 160-164 (2018)
  • A study of electron and thermal transport in layered titanium disulphide single crystals.
    D. Suri, V. Siva, S. Joshi, K. Senapati, P.K. Sahoo, S. Varma, R.S. Patel, Journal of Physics: Condensed Matter 29 (48), 485708 (2018) .

2017

  • Role of work function in field emission enhancement of Au island decorated vertically aligned ZnO nanotapers.
    Avanendra Singh, Kartik Senapati, Mohit Kumar, T. Som, A. Sinha, and Pratap K Sahoo, Applied Surface Science, 411, 117-123 (2017)
  • Progressive magnetic softening of ferromagnetic layers in multilayer ferromagnet-nonmagnet systems and the role of granularity. 
    Siddharth S. Sahu, Vantari Siva, Paresh C. Pradhan, Maheswar Nayak, Kartik Senapati, and Pratap K. Sahoo, Journal of Applied Physics 121, 213905 (2017).
  • Suppression of near band edge emission in specially engineered ZnO twin nanorods.
    A. Singh, K. Senapati, B. Satpati, P.K. Sahoo, Phys. Chem. Chem. Phys. 19, 14012 (2017)

2016

  • Unusual ferromagnetic behaviour of embedded non-functionalized Au nanoparticles in Bi/Au bilayer films.
    S. Prusty, V. Siva, N. Shukla, B. Satpati, K. Senapati, P.K. Sahoo, RSC Advances 6 (108), 106584 (2016)
  • Superconducting proximity effect in NiBi3-Ni-NiBi3 trilayer system with sharp superconductor-ferromagnet boundaries.
    V. Siva, P.C. Pradhan, G.S. Babu, M. Nayak, P.K. Sahoo, K. Senapati, Journal of Applied Physics 119, 063902 (2016).
  • Ion irradiation induced phase transition of Co in Co/Au multilayers.
    V. Siva, S.S. Sahu, D.P. Datta, P.C. Pradhan, M. Nayak, V. Solanki, D. Topwal, K. Senapati, P. K. Sahoo, Journal of Alloys and Compounds 680, 722-728 (2016).

2015

  • Spontaneous formation of superconducting NiBi3 phase in Ni-Bi bilayer films.
    V.Siva, K.Senapati, B.Satpati, S.Prusty, D.K.Avasthi, D.Kanjilal, P.K.Sahoo, Journal of Applied Physics 117, 083902 (2015).
  • Nanoscale interface engineering in ZnO twin nanorods for proposed phonon tunnel devices.
    A. Singh, K. Senapati, B. Satpati, M. Kumar, P.K. Sahoo, Phys. Chem. Chem. Phys. 17 , 4277-4282 (2015).

2013

  • Electric Field Dependent Spin Polarization in GdN Spin Filter Tunnel Junctions.
    A. Pal, K. Senapati, Z. H. Barber, M. G. Blamire, Advanced Materials 25 (39), 5581-5585 (2013).
  • Suppression of magnetic coupling in superconducting GdN-NbN-GdN trilayers.
    K. Senapati, M. G. Blamire, Z. H. Barber, Applied Physics Letters 103, 132406 (2013).

Before Joining NISER

  • Spin-filter Josephson junctions.
    K. Senapati, M. G. Blamire, Z. H. Barber, Nature Materials 10 , 849-852 (2011).
  • Nanoporous metallic templates for embedded magnetic nanostructured films.
    W. Jiang, K. Senapati, L. San-Emeterio-Alvarez, N. A. Stelmashenko, Z. H. barber, Thin Solid Films 520, 533-536 (2011).
  • Formation of ordered TiO 2 nanostructural arrays with tunable shapes by magnetron sputtering method.
    X. Ren, K. Senapati, W. T. Jiang, C. H. Jiang, Materials Chemistry and Physics 126 , 1-5 (2011).
  • Structural evolution and competing magnetic orders in polycrystalline GdN thin films..
    K.Senapati, T.Fix, M. E. Vickers, M.G. Blamire, andZ.H.Barber, Physical Review B 83, 014403 (2011).
  • Phase periodic conductance oscillations at sub-gap Andreev resonances in SNINS junctions.
    K. Senapati, M. G. Blamire, and Z. H. Barber, Appl. Phys. Lett. 97 , 162503 (2010).
  • Magnetic exchange hardening in polycrystalline GdN thin films.
    K. Senapati, T. Fix, M. E. Vickers, M. G. Blamire, and Z. H. Barber, J. Phys.: Condens. Mat. 22, 302003 (2010) (Fast track communication).
  • Irreversibility of the threshold field for dendritic flux avalanches in superconductors.
    A.J.Qviller, V.V.Yurchenko, K.Eliassen, J.I.Vestgarden, T.H.Johansen, M.R.Nevala, I.J.Maasilta, K. Senapati and R.C. Budhani, Physica C 470, 897 (2010).
  • Sidewall shunted over-damped NbN-MgO-NbN Josephson junctions.
    K. Senapati and Z. H. Barber, Appl. Phys. Lett. 94, 173511 (2009).
  • Width and temperature dependence of hysteretic current-voltage character in long Niobium microbridges..
    A. Papon, K. Senapati, and Z. H. Barber, Physica C 469, 814 (2009).
  • Asymmetric critical current of niobium microbridges with ferromagnetic stripe.
    A. Papon, K. Senapati and Z. H. Barber, Appl. Phys. Lett. 93, 172507 (2008).
  • Reentrant stability of superconducting films and the vanishing of dendritic flux instability.
    V. V. Yurchenko, D. V. Shantsev, T. H. Johansen, M. R. Nevala, I. J. Maasilta, K. Senapati, and R. C. Budhani, Phys. Rev. B 76, 092504 (2007).
  • Appearance of an inhomogeneous superconducting state in La0.67Sr0.33MnO3−Y Ba2Cu3O7−La0.67Sr0.33MnO3 trilayers.
    K. Senapati and R. C. Budhani, Pramana 69, 267 (2007).
  • Normal-state transport and vortex dynamics in thin films of two structural polymorphs of superconducting NbN.
    K. Senapati, N. K. Pandey, R. Nagar, and R. C. Budhani, Phys. Rev. B 74, 104514 (2006).
  • Superconducting and normal-state interlayer exchange coupling in La0.67Sr0.33MnO3−Y Ba2Cu3O7−La0.67Sr0.33MnO3 epitaxial trilayers.
    K. Senapati and R. C. Budhani, Phys. Rev. B 71, 224507 (2005).
  • Magnetotransport in epitaxial films of the degenerate semiconductor Zn1−xCoxO.
    R. C. Budhani, P. Pant, R. K. Rakshit, K. Senapati, S. Mandal, N. K. Pandey, and J. Narain., J. Phys. Cond. Matter.17, 75 (2005).
  • Clean-limit pair breaking and two-dimensional vortex dynamics in ferromagnet-superconductor heterostructures.
    K. Senapati and R. C. Budhani, Phys. Rev. B 70. 174506 (2004).
  • Miniature Hall sensor based ac susceptometer for measurements of vortex and superfluid dynamics in superconducting films.
    K. Senapati, S. Chakraborty, L. K. Sahoo, and R. C. Budhani, Rev. Sci. Instr. 75, 141 (2004).
  • Irreversibility field and superconducting screening currents in EuBa2Cu3O7 films.
    K. Senapati, L. K. Sahoo, N. K. Pandey, and R. C. Budhani, Appl. Phys. Lett. 80, 619 (2002)."

Josephson Junctions for spin physics:

  • Ways to induce long range spin triplet supercurrents in JJs 
  • Detection of buried interface spin polarization using JJs 
  • Metallic spin glass physics using JJs 
  • Single molecule magnets using SQUIDs 

Superconducting materials and phenomena:

  • Single crystal superconducting nanowires 
  • Granular Josephson assemblies
  • Monolithic Superconductor-ferromagnet systems 

Introductory Physics P101/P102

Introductory Physics Labs P141/P142

General Physics Labs P241/P241

Modern Physics Labs P341/P342

Advanced Physics Labs P441/442 

Introduction to Condensed Matter Physics P306

Experimental Techniques P473