Personal Information

Dr. Ajit Kumar Patra

Professor
Department of Physics

Ph.D (Physics): IFW Dresden, Germany

a.patra@curaj.ac.in

1463

Magnetism and Magnetic Materials

· Magnetic thin films and multilayers

· Materials for energy harvesting

· Heusler Alloys 

Post-doc: University of Konstanz Germany & National University of Singapore

PhD: Leibniz-Institute for Solid State and Materials Research (IFW) Dresden, Germany, TU Dresden, Germany

M.Tec.: IIT Khargapur

M.Sc & M.Phil: Sambalpur University, Odisha

  • Magnetic thin films and multilayers
  • Materials for energy harvesting
  • Heusler alloys & Transition metal oxides
S. No. Authors Title of Article Journal/Conference Details Journal/Conference Publication Year
1 1. Abhinav Kumar Khorwal, Sujoy Saha, A. V. Lukoyanov, Ajit K Patra Signatures of nearly compensated magnetism and spin glass behaviour in highly frustrated β-Mn type Mn50Fe25+xAl25-x Heusler alloys Journal of Chemical Physics Journal 2024
2 2. Shubhra Dash, M. Vasundhara, Ajit K. Patra Observation of weak ferromagnetism in the antiferromagnetic host and large electronic heat capacity in ß-Mn-type structured Mn3Al alloy Journal of Magnetism and Magnetic Materials 589, 171474 (2024) Journal 2024
3 Pardeep, Lalita, Yugandhar Bitla, Sujoy Saha, Ajit Kumar Patra, G. A. Basheed Chiral-fluctuations mediated helical to paramagnetic phase transition and scaling study in β-Mn type Co8Zn8Mn4 chiral magnet Journal of Physics- Condensed Matter 35, 175801 (2023) Journal 2023

  1. Abhinav Kumar Khorwal, Sujoy Saha, A. V. Lukoyanov, Ajit K Patra “Signatures of nearly compensated magnetism and spin glass behaviour in highly frustrated β-Mn type Mn50Fe25+xAl25-x Heusler alloys” Journal of Chemical Physics -Accepted (2024).

  2. Shubhra Dash, M. Vasundhara, Ajit K. Patra " Observation of weak ferromagnetism in the antiferromagnetic host and large electronic heat capacity in ß-Mn-type structured Mn3Al alloy" Journal of Magnetism and Magnetic Materials 589, 171474 (2024).

  3. Sujoy Saha, Abhinav Khorwal, Ajit K Patra “Structural and Magnetic Properties of Mn50Fe25Al5Si20 Alloy “ AIP Conference Proceedings In Press (2023)

  4. Abhinav Khorwal, Sujoy Saha, Ajit K Patra “Magnetic Relaxation of Polycrystalline Mn1.5Fe1.5Al Alloy “ AIP Conference Proceedings In Press (2023)

  5. Yu. V. Knyazev, A V Lukoyanov, Yu. I. Kuz’min, S. Dash, A. K. Patra, M Vasundhara “Energy Spectrum and Optical Absorption of Mn100 – хAlх (x = 20, 30) Compounds with the β-Mn Structure” Inorganic Material 59, 28 (2023)

  6. E. I. Shreder, A. V. Lukoyanov, R. D. Mukhachev, A. N Filanovich, Shubhra Dash, A. K. Patra and M. Vasundhara “The Electronic Structure and Optical Properties of Heusler Alloys Mn2 – xFe1 + xAl (x = –0.5, 0, 0.5, 1)” Physics of Metals and Metallography 124, 245 (2023)

  7. Pardeep, Lalita, Yugandhar Bitla, Sujoy Saha, Ajit Kumar Patra, G. A. Basheed "Chiral-fluctuations mediated helical to paramagnetic phase transition and scaling study in β-Mn type Co8Zn8Mn4 chiral magnet", Journal of Physics- Condensed Matter 35, 175801 (2023).

  8. Pardeep, Yugandhar Bitla, Lalita, Ajit Kumar Patra, G. A. Basheed "In-field critical behaviour of β-Mn type Co7Zn7Mn6 skyrmion host", Physica B: Condensed Matter 654, 414669 (2023).

  9. Pardeep, Yugandhar Bitla, Ajit Kumar Patra, Lalita, R. P. Pant, G. A. Basheed "Metastable skyrmion phase stabilized in wider T-H region of β-Mn type Co7Zn7Mn6 chiral magnet", Journal of Physics- Condensed Matter 34, 365801 (2022).

  10. Subir Roy, Nikhita H. R, Varshini G.V, Ajit Kumar Patra, R.B. Gangineni, S. Angappane "Enhancement of room-temperature magnetoresistance in polyvinyl acetate encapsulated Fe3O4 nanoparticles", Journal of Magnetism and Magnetic Materials 557, 169468 (2022).

  11. Abhinav Kumar Khorwal, Nancy, Shubhra Dash, Arun Kumar, A. V. Lukoyanov, E. I. Shreder, Yugandhar Bitla, M. Vasundhara, Ajit K. Patra "Evidence for canonical spin glass behaviour in polycrystalline Mn1.5Fe1.5Al Heusler alloy", Journal of Magnetism and Magnetic Materials 545, 168752 (2022).

  12. Yu. V. Knyazev, A V Lukoyanov, Yu. I. Kuz'min, S. Dash, A. K. Patra, M Vasundhara "Electronic Structure and Spectral Characteristics of the Mn3Al Compound, Phys. Met. and Metallogr+ 122, No. 10,  954–959 (2021)

  13. E. I. Shreder, A. V. Lukoyanov, A. A. Makhneva Yu. I. Kuzmin, Shubhra Dash, Ajit K. Patra and M. Vasundhara "Electronic Structure and Optical Properties of Heusler Alloy Mn1.5Fe1.5Al", Journal of Experimental and Theoretical Physics 133, No. 4, 471–476 (2021)

  14. Nancy, B. Poojitha, R. Shukla, M. Vasundhara, U.P. Mohammed Rasi, R.B. Gangineni, S.C. Sahu, R.J. Choudhary, Yugandhar Bitla, Ajit K. Patra "Unveiling the magnetic and transport properties of La0.5Sr0.5Co1-xVxO3-δ (x = 0, 0.01, 0.02 and 0.1)" Journal of Magnetism and Magnetic Materials 530, 167851 (2021)

  15. Shubhra Dash, A. V. Lukoyanov, Nancy, Durgamadhab Mishra, U. P.  Mohammed Rasi, R. B. Gangineni, M. Vasundhara, Ajit K. Patra "Structural stability and magnetic properties Mn2FeAl alloy with a β-Mn structure" Journal of Magnetism and Magnetic Materials 513, 167205 (2020).

  16. Nancy, B. Poojitha, R. Shukla, R. Dhaka, S. Dash, S. Sarkar, S.R. Barman, P.D. Babu, S.C. Sahoo, R.J. Choudhary, Surajit Saha, Ajit K. Patra "Spin-phonon coupling in Mn-Bi co-doped SmFeO3: An experimental study", Journal of Magnetism and Magnetic Materials Volume 513, 167094 (2020).

  17. E I Shreder, A V Lukoyanov, A A Makhnev, Shubhra Dash, A Patra, M Vasundhara "Electronic Structure and Optical Properties of the Mn2CrAl Heusler Alloy" Phys. Met. and Metallogr+ 121, 532 (2020).

  18. Nancy, R. Shukla, R. Dhaka, S. Dash, S. Sarkar, P.D. Babu, S.C. Sahoo, R.J. Choudhary, Banarji Bahera, Ajit K. Patra "Structural, dielectric and magnetic properties of Bi–Mn doped SmFeO3", Ceramic International Volume 46, Issue 7, 8730-8744 (2020).

  19. Saurabh Yadav, Shubhra Dash, A K Patra, G R Umapathy, S Ojha, Shiv P Patel, R Singh, Y S Katharria "Effects of Energetic Ion Irradiation on β-Ga2O3 Thin Films" ECS J. Solid State SC, 9, 045015 (2020).

  20. S. Dash, A.K. Patra, M. Vasundhara, A.V. Lukoyanov, E.D. Baglasov, Yu.V. Knyazev, Yu.I. Kuz'min, E.I. Shreder "Electronic structure and optical properties of Mn100-xGex (x=20, 25 and 30) alloys near tetragonal-orthorhombic structural phase transition" Phys. Status Solidi B 256, 1900155 (2019).   

  21. Shubhra Dash, A.V. Lukoyanov, Yu.V. Knyazev, Yu. I. Kuz'min, E. D. Baglasov, Bruno Weise, Pramod Kumar, M. Vasundhara, and Ajit K. Patra "Impression of magnetic clusters, critical behavior and magnetocaloric effect in Fe3Al alloys" Journal of Physical Chemistry Chemical Physics 21, 10823 – 10833 (2019).

  22. Shivani Agarwal, Diana Pohl, Ajit Kumar Patra, Kornelius Nielsch, Manvendra Singh Khatri "Preparation and nanoscale characterization of electrodeposited CoFe-Cu multilayer nanowires" Journal of Material Chemistry and Physics 230, 231-238 (2019).

  23. Shubhra Dash, A.V. Lukoyanov, Yu.V. Knyazev, Yu. I. Kuz'min, E. D. Baglasov, M. Vasundhara, and Ajit K. Patra "Structural, electronic, optical and magnetic properties of Fe3Al alloys" Journal of Superconductivity and Novel Magnetism 32, 2995-3000 (2019).

  24. V. R. Akshay, B. Arun, Shubhra Dash, Ajit K. Patra, Guruprasad Mandal, Geeta R. Mutta, Anupama Chanda and M. Vasundhara "Defect mediated mechanism in undoped, Cu and Zn-doped TiO2 nanocrystals for tailoring the band gap and magnetic properties" RSC Advances 8, 41994 (2018).

  25. Pandey, Pawan; Sharma, Ashok; Rani, Sarita; Mishra, Gaurav; Gopal, Kandasamy; Patra, Ajit; Rana, Monika; Sharma, Anuj; Yadav, Awesh; Gupta, Umesh "MCM-41 Nanoparticles for Brain Delivery: Better Choline-Esterase and Amyloid Formation Inhibition with Improved Kinetics" ACS Biomaterials Science & Engineering 4(8), 2860-2869 (2018).

  26. Shubhra Dash, Benjamin Schleicher, Stefan Schwabe, Ludwig Reichel, R. Heller, Sebastian Fähler, Volker Neu, and Ajit K. Patra "Structural and magnetic properties of epitaxial Mn-Ge films grown on Ir/Cr buffered MgO(001)" Journal of Physics D- Applied Physics 51, 255002 (2018).

  27. Nanda Shakti, Chandni Devi, A. K. Patra, P. S. Gupta, and Sandeep Kumar "Lithium doping and photoluminescence properties of ZnO nanorods" AIP Advances 8, 015306 (2018).

  28. Shivani Agarwal, S. A. Hashmi, Bhanu Nandan, Ajit Kumar Patra, Ravi Prakash Singh, J. Arout Chelvane, Manvendra Singh Khatri "Structure and magnetic properties of electrodeposited CoPtP/Pt multilayers nanowires" Chemical Physics Letters 684, 378-382 (2017).

  29. Surendra Kumar, Indrani Coondoo, M. Vasundhara, Ajit K. Patra, A. L. Kholkin and Neeraj Panwar "Magnetization reversal behavior and magnetocaloric effect in SmCr0.85Mn0.15O3 chromites" Journal of Applied Physics 121, 043907 (2017).

  30. Nils Richter, Yenny R. Hernandez, Sebastian Schweitzer, June-Seo Kim, Ajit Kumar Patra, Jan Englert, Ingo Lieberwirth, Andrea Liscio, Vincenzo Palermo, Xinliang Feng, Andreas Hirsch, Klaus Müllen and Mathias Kläui "Robust two-dimensional electronic properties in three-dimensional microstructures of rotationally stacked turbostratic graphene" Physical Review Applied 7, 024022 (2017).

  31. Truptimayee Sahu, Ajit  K Patra and  Banarji Behera, "Effect of Gadolinium Doping on Physical Properties of 0.8BiGdxFe1-xO3-0.2PbTiO3 (x=0.00, 0.05, 0.10, 0.15 and 0.20) Composites" Journal of Alloys and Compounds 695, 2273 (2017).

  32. P.Vats, D. Chauhan, A. K. Patra, V. P. Gupta and Alimuddin, "Ion beam induced structural and lectrical modifications of Fe doped molybdenum oxide thin films" Materials Science in Semiconductor Processing 31, 593 (2015).

  33. A. K. Patra, F. Fleischhauer, S. Oswald, L. Schultz and V. Neu "Coercivity mechanism in hard magnetic SmCo5/PrCo5 bilayers" Journal of Physics D- Applied Physics 47, 215001 (2014).

  34. S. Singh, A. K. Patra, B. Barin, E. del Barco and B. Özyilmaz "Spin Pumping in Permalloy/Graphene and Permalloy/Graphite Interfaces" IEEE Transactions on Magnetics 49 (7), 3147-3150 ( 2013).

  35. Arndt von Bieren, Ajit K. Patra, Stephen Krzyk, Jan Rhensius,  Laura Heyderman, Regina Hoffmann-Vogel and Mathias Kläui "Domain-wall induced large magnetoresistance effects at zero applied field in ballsitic nanocontacts" Physical Review Letters 110, 067203 (2013).

  36. A. K. Patra. S. Singh, B. Barin, Y. Lee, J.-H. Ahn, E. del Barco E. R. Mucciolo and B. Oezyilmaz "Dynamic spin injection into chemical vapor deposited graphene" Applied Physics Letters 101, 162407 (2012).

  37. E. Stilp, J. Freudenberger, M. Seifert, A. K. Patra, S. Menzel, I. Mönch, L. Schultz, V. Neu "Probing the anisotropy constants of SmCo5 and PrCo5 by Hall resistance measurements in pulsed high magnetic fields up to 50 T" Journal of Magnetism and Magnetic Materials 324, 1711 (2012).

  38. A. K. Patra, A. von Bieren, S. Krzyk, J. Rhensius, L. J. Heyderman, R. Hoffmann and M. Kläui "Magnetoresistance measurement of tailored Permalloy nanocontacts" Physical Review B 82, 134447 (2010).

  39. 39.A. K. Patra, M. Eisterer, R. Biele, S. Fähler, L. Schultz, and V. Neu "The temperature dependent anisotropy constants of epitaxially grown PrCo5+x" Journal of Applied Physics 108, 073912 (2010). 

  40. A. K. Patra, V. Neu, S. Fähler and L. Schultz "Thermal stability of metastable, epitaxial PrCo7  films with high energy density" Journal of Physics D- Applied Physics 40, 7261 (2007).

  41. A. K. Patra, V. Neu, S. Fähler, R. Groetzschel, S. Bedanta, W. Kleemann and L. Schultz "Crystal structure and its correlation to intrinsic and extrinsic magnetic properties of epitaxial hard magnetic Pr-Co films" Physical Review B 75, 184417 (2007).

  42. V. Neu, K. Häfner, A. K. Patra and L. Schultz "Fully epitaxial, exchange coupled SmCo5/Fe/SmCo5 trilayers" Journal of Physics D- Applied Physics 39, 5116 (2006).

  43. A. K. Patra, V. Neu, S. Fähler, R. Groetzschel and L. Schultz "Epitaxial PrCo7 films with high energy product" Applied Physics Letters 89, 142512 (2006).

  44. A. K. Patra, V. Neu, S. Fähler, H. Wendrock and L. Schultz "Phase formation, texture, and magnetic properties of epitaxial Pr-Co films grown on MgO(100)" Journal of Applied Physics 100, 043905 (2006).

  45. V. Neu, S. Fähler, A. Singh, A. R. Kwon, A. K. Patra, U. Wolf, K. Häfner, B. Holzafel and L. Schultz "Domain structure and magnetic properties of epitaxial rare earth-transition metal thin films" Journal of Iron and Steel Research International 13, 102 (2006).

  46. M. Vasundhara, A.K. Patra, V. Srinivas and V.V. Rao, "Electrical transport in novel Heusler-type Fe2VAl alloys", Proceedings of ISAMAP-2K4, Vol-II, 2004, page 5061.

Ongoing: 

  • Expolaration of Skyrmion Materials (Funding agency: SERB-CRG)
  • Exploring the Functionalities of Novel Heusler Alloys by Employing Neutron Diffraction (UGC-DAE Indore)

Completed:

  • Magnetic and spectral properties of novel Mn-based Heusler alloys for magnetoelectronics applications: (Funding Agency DST - RFBR (Indo-Russia) Joint Call)
  • Magnetic and transport properties of Cr based thin films (Funding agency: UGC, New Delhi)
  • Structural and magnetic properties of Mn based thin films with perpendicular magnetic anisotropy for spintronic applications (Funding agency: SERB, DST New Delhi)
  • Effect of swift heavy ion irradiation on the magnetic and transport properties of Huesler alloys (Funding agency: IUAC New Delhi)
  • Probing electronic structure of Cobaltite thin films (UGC-DAE Indore)

Attended

  • (Invited lecture) International Conference on Frontiers in Materials Engineering (ICFME-2022), organized by Department of Metallurgy Engineering and Materials Science (MEMS) IIT indore , December 14 – 16, 2022
  • (Invited lecture) 3rd Workshop cum course (Self financed) on “Advanced Materials and Instrumentation Based Engineering” organized by the Department of Applied Sciences, Indian Institute of Information Technology Allahabad, from 16th to 20th April, 2021.
  • (Invited Lecture) online refresher course in Physics conducted by the UGC-HRDC Sambalpur University Odisha from 10.02.2021 to 23.02.2021
  • (Invited Lecture) TEQIP sponsored One week SHORT TERM COURSE in Online mode on “RECENT ADVANCES IN OPTICAL AND MAGNETIC MATERIALS” held during 14–18th December, 2020 at NIT Uttrakhand
  • (invited talk) Webinar on Magnetism and Magnetic Materials (MMM-2020),organized by the Department of Physics, Pondicherry University, Puducherry from 23-24th November 2020.
  • (Invited talk) 3rd International Conference on Advanced Functional Materials (ICAFM- 2019) organized CSIR-NIIST Thiruvananthapuram during 9-10 December 2019
  • A one day UGC Workshop on " Training of Teachers (ToT)" on 28th August 2019 organized by UGC-HRDC, Gujarat University
  • Indus Synchrotrons User's Meeting (ISUM) held at UGC-DAE CSR, Indore, during 27-29 March, 2019
  • (Invited talk) 3rd International Conference on Soft Materials organized by MNIT Jaipur during 09-14 December 2018.
  • (Invited talk) National Conference on Applied Materials organized by Center for Applied Chemistry, Central University of Gujarat, India from  6-7 April, 2018.
  • National Symposium on Emerging Trends in Applied Chemical Sciences (STACS-2016) organized by Department of Chemistry, Central University of Rajasthan on 18th March 2016
  • (Invited talk) Recent Advances in Chemical Sciences (RAICS 2015) organized by Department of Chemistry, MNIT Jaipur, Rajasthan India to be held during 21st – 23rd August 2015.
  • (Invited talk) Conference on Advanced Materials and Processing” (CAMP- 2015) organized MNIT Jaipur, Rajasthan India held during 02 – 04 December 2015.
  • First meeting of the Ambassadors’ club at University of Konstanz, Germany from 17 to 20 November 2015.
  • International Conferences “ Constructions of Multiculturalism: identity and Diversity in European Histroy” from 16-19 September 2015 at the Charles University in Prague organized by University of Konstanz, Germany to strengthen the International Research Alumni Network.
  • Indo-Japan Workshop on Magnetism at Nanoscale (IJWMN), NISER Bhubaneswar, India during 09th to 12th January 2015.
  • International Conference on Condensed Matter Physics (ICCMP-2014) held at Himachal Pradesh University Shimla, Shimla India 4th to 6th November 2014.
  • DAE-BRNS 7th National Symposium on Pulsed Laser Deposition of Thin Films and Nanostructured Materials (PLD 2013) held at IIT Kharagpur, India November 14-16, 2013.
  • One day orientation workshop on “Best Teaching Practices” at Central University of Rajasthan.
  • (Invited talk) International symposium on Science of Clusters, Nanoparticles and Nanoscale materials (SOCNAM-2013) organized by Department of Physics, Central University of Rajasthan at Holiday Inn Jaipur 4th-7th March 2013.

Organized

  • UGC-DAE CSR, Mumbai Centre, Department of Physics, Savitribai Phule Pune University, Pune, and Department of Physics, Central University of Rajasthan, Ajmer, organizined an awareness meeting on the utilization of advanced research facilities through different centres of UGC-DAE CSR and some largescale facilities of DAE, 4th August 2021 (online mode)
  • Organized National Webinar Series on Experimental & Computational Tools for Materials Research (ECTMR) June 01 – 08, 2020, Discipline of Natural Sciences, Indian Institute of Information Technology, Design & Manufacturing Jabalpur (IIITDMJ), Jabalpur, M. P. & Department of Physics, Central University of Rajasthan (CURAJ), Bandarsindri, Kishangarh, Rajasthan
  • Three day’s training program on MOOCs from March 12 to 14, 2018 under Teaching Learning Centre, CURaj
  • Four weeks induction training program for faculty of HEIs from 1-26 May 2018 under  Teaching Learning Centre, CURaj
  • Two days workshop on UGC QUALITY MANDATE in HEIs on 9th & 10th September 2018 under  Teaching Learning Centre, CURaj
  • National Symposium on Technologically Advanced Functional Materials (NSTAFM-2017) organized by Department of Physics, Central University of Rajasthan, March 16-17, 2017 (Convener).
  • Conference on Advanced Materials and Processing (CAMP 2015) organized by MNIT Jaipur from 2nd to 4th December 2015 (National Organizing Committee member).
  • One day workshop on “Pace Setting Role of Central Institutions” to prepare the policy documents for the New Education Policy initiated by MHRD New Delhi, at Central University of Rajasthan 26th August 2015.
  • Indian academy of Sciences sponsored 68th Refresher course in Experimental Physics from 10th-25th March 2015 organized by Department of Physics, Central University of Rajasthan
  • International Symposium on Nanoscale Science of Clusters, Nanoparticles and Nanoscale-Materials SOCNAM-2013 held at Jaipur 4th-7th March 2013 organized by Department of Physics, Central University of Rajasthan
  • National Science Day- an open house event for school children and university students on the theme of education for sustainable development on 28th February 2014 (Organizing secretary and treasurer)
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