NISER

• M.Sc. in 2006, Utkal University, Bhubaneswar
• Ph.D. in 2011, IIT Bombay, Mumbai
• Postdoctoral Researcher (2011-2012): Johannes Gutenberg University of userz, Germany
• Postdoctoral Researcher (2012-2014): Max Planck Institute for Chemical Physics of Solids, Dresden, Germany
• Postdoctoral Researcher (2014-2016): Max Planck Institute Microstructure Physics, Halle, Germany
• Junior Group Leader (2016): "International Center for Nano-Systems" under Max Planck Institute of Microstructure Physics and Martin Luther University Halle, Germany

Condensed Matter Experiment: Magnetism

• Associate of the Indian Academy of Sciences (IASc), 2019
• Best Ph.D thesis award, IIT Bombay, 2011
• Ramanujan Felloship, 2016
• Early Career Research Award 2017
• Max Planck-India Partner Group Award 2017

Selected Representative Publications:

The corresponding authorship and/or contribution to the user idea of the work is highlighted by *.

1. "Magnetic antiskyrmions above room temperature in tetragonal Heusler materials" ​

A. K. Nayak*, V. Kumar, T. Ma, P. Werner, E. Pippel, R. Sahoo, F. Damay,  U. K. Rößler,  C. Felser,  S. S. P. Parkin, Nature 548, 561 (2017).

2. "Design o "," f compensated ferrimagnetic Heusler alloys for giant tunable exchange bias"

A. K. Nayak,* M. Nicklas,  S. Chadov,  P. Khuntia,  C. Shekhar, A. Kalache, M. Baenitz, Y. Skourski, V. K. Guduru, A. Puri, Uli Zeitler, J. M. D. Coey, and C. Felser, Nature Mater. 14, 679 (2015).

3. "Extremely large magnetoresistance and ultrahigh mobility in the topological Weyl semimetal candidate NbP"

C. Shekhar, A. K. Nayak, Y. Sun, M. Schmidt, M. Nickla "," s, I. Leermakers, U. Zeitler, Y. Skourski, J. Wosnitza, Z. Liu, Y. Chen,W. Schnelle, H. Borrmann, Y. Grin, C. Felser, and B. Yan, Nature Phys. 11, 645 (2015).

4. "Large anomalous Hall effect driven by "," non-vanishing Berry curvature in non-collinear antiferromagnet Mn3Ge"

A. K. Nayak*, J. E. Fischer, Y. Sun, B. Yan, J. Karel, A. C. Komarek, C. Shekhar, N. Kumar, W. Schnelle, J. Kuebler, C. Felser and S. S. P. Parkin, Science Advances 2, e1501870 (2016).

5.  "Compensated ferrimagnetic tetragonal Heusler thin films for antiferromagnetic spintronics"

R. Sahoo, L. Wollmann, S. Selle, T. Höche, B. Ernst, A. Kalache, C. Shekhar, N. Kumar, S. Chadov, "," C. Felser, S. S. P. Parkin, A. K. Nayak*, Advanced Materials 28, 8499 (2016).

6. "Large zero-field cooled exchange-bias in bulk Mn2PtGa"

A. K. Nayak*, M. Nicklas, S. Chadov, C. "," Shekhar, Y. Skourski, J. Winterlik, and C. Felser, Phys. Rev. Lett. 110, 127204 (2013).

7. "Large non-collinearity and spin reorientation in the novel Mn2RhSn Heusler magnet"

O. Meshcheriakova,  S. Chadov,  A. K. Nayak,  U. Roessler,  J. Kuebler, J. Kiss, G. Andre, A. A. Tsirlin, S. Hausdorf, A. Kalache, W. Schnelle, M. Nicklas, and C. Felser, Phys. Rev. Lett.  113, 087203 (2014).

8. "Large field-induced irreversibility in Ni-Mn based Heusler shape-memory alloys: A pulsed magnetic field study"

A. K. Nayak,* C. S. Mejia, S. W. D'Souza, S. Chadov, Y. Skourski, C. Felser, and M. Nicklas, Phys. Rev. B (Rapid Com.) 90, 220408(R) (2014).

9. Completely compensated ferrimagnetism and sublattice spin crossing in the half-metallic Heusler compound Mn1.5FeV0.5Al"

R. Stinshoff, A. K. Nayak*, G. H. Fecher, B. Balke, S. Ouardi, Y. Skourski, T. Nakamura, and C. Felser, Phys. Rev. B (Rapid Com.) 95, 060410(R) (2017).

10. "Heusler 4.0: Tunable Materials"

L. Wollmann, A. K. Nayak, S. S.P. Parkin, and C. Felser, Annu. Rev. Mater. Res. 47, 247 (2017).

Recent Interest:

• Skyrmions
• Anomalous/Topological Hall effect
• Antiferromagnetic spintronics
• Exchange bias
• Hard magnets

P203: Electronics

P343: Modern Physics Lab

P142: 1st Year Physics Lab