DEPARTMENTS
Dr. C. N. Shyam Kumar
Dr. C. N. Shyam Kumar

Assistant Professor

Office Address:

Room 302, Materials Science and Engineering National Institute of Technology Calicut, Calicut - 673601, Kerala, India.

Email ID:

shyam@nitc.ac.in

Home Address:

  • PhD 2019, Technical University of Darmstadt, Working at Institute of Nanotechnology, Karlsruhe Institute of Technology, Karlsruhe, Germany

  • Master of Science, 2014, Indian Institute of Technology, Madras, India

  • Bachelor of Technology, Amrita School of Engineering, Kollam, Kerala, India

  • Educational Qualifications

    • PhD 2019, Technical University of Darmstadt, Working at Institute of Nanotechnology, Karlsruhe Institute of Technology, Karlsruhe, Germany

    • Master of Science, 2014, Indian Institute of Technology, Madras, India

    • Bachelor of Technology, Amrita School of Engineering, Kollam, Kerala, India

    Journals

    1. Shyam KumarC N., Clemens Possel, Simone Dehm, Venkata Sai Kiran Chakravadhanula, Di Wang, Wolfgang Wenzel, Ralph Krupke, Christian Kübel, Graphitizability of Polymer Thin Films: An In Situ TEM Study of Thickness Effects on Nanocrystalline Graphene/Glassy Carbon Formation. Macromolecular Materials and Engineering, 2023, 2300230
    2. Sekhar, R. A.; Pillai, R. R., Ali,M. M., Shyam Kumar, C. N. Enhanced Mechanical and Wear Properties of Aluminium-Based Composites Reinforced with a Unique Blend of Granite Particles and Boron Carbide for Sustainable Material Recycling. J. Alloys Compd. 2023. 171165.
    3. Shyam Kumar, C. N.;Tabean, S.; Morisset, A.; Wyss, P.; Lehmann, M.; Haug, F.-J.; Jeangros, Q.; Hessler-Wyser, A.; Valle, N.; Wirtz, T.; Eswara, S. Evaluation of Secondary Electron Intensities for Dopant Profiling in Ion Implanted Semiconductors: A Correlative Study Combining SE, SIMS and ECV Methods. Semicond. Sci. Technol.202136 (8), 085003.
    4. Haug, F.-J.; Morisset, A.; Wyss, P.; Lehmann, M.; Hessler-Wyser, A.; Jeangros, Q.; Ingenito, A.; Ballif, C.; Shyam Kumar, C. N.;Eswara, S.; Valle, N. PassivatingPolysilicon Recombination Junctions for Crystalline Silicon Solar Cells. Phys. status solidi – Rapid Res. Lett.2021, 15 (9), 2100272.
    5. Pal, S.; Barrirero, J.; Lehmann, M.; Jeangros, Q.; Valle, N.; Haug, F.-J.; Hessler-Wyser, A.; Shyam Kumar, C. N.;Mücklich, F.; Wirtz, T.; Eswara, S. Quantification of Hydrogen in Nanostructured Hydrogenated Passivating Contacts for Silicon Photovoltaics Combining SIMS-APT-TEM: A Multiscale Correlative Approach. Appl. Surf. Sci. 2021555, 149650.
    6. Sabu, U.; Shyam Kumar, C. N.;Logesh, G.; Rashad, M.; Melinte, G.; Joy, A.; Kübel, C.; Balasubramanian, M. On the Formation of α-Alumina Single Crystal Platelets through Eggshell Membrane Bio-Templating. Scr. Mater.2021195, 113716.
    7. Yedra, L.; Shyam Kumar, C. N.;Pshenova, A.; Lentzen, E.; Philipp, P.; Wirtz, T.; Eswara, S. A Correlative Method to Quantitatively Image Trace Concentrations of Elements by Combined SIMS-EDX Analysis. J. Anal. At. Spectrom. 2021.
    8. Mamleyev, E. R.; Falk, F.; Weidler, P. G.; Heissler, S.; Wadhwa, S.; Nassar, O.; Shyam Kumar, C. N.;Kübel, C.; Wöll, C.; Islam, M.; et al. Polyaramid-Based Flexible Antibacterial Coatings Fabricated Using Laser-Induced Carbonization and Copper Electroplating. ACS Appl. Mater. Interfaces 202012 (47), 53193–53205.
    9. Gangadhar, J.; Maheshwari, A.; Bordia, R. K.; Shyam Kumar, C. N.;Kubel, C.; Sujith, R. Role of carbon on the thermal and electrical properties of graphene- enriched silicon oxycarbides. Ceram. Int. 2020, 46 (18), 28156-28164.
    10. Shyam Kumar, C. N.; Bauri, R.; Reddy, G.S. Phase stability and conductivity of rare earth co-doped nanocrystalline zirconia electrolytes for solid oxide fuel cells. J. Alloys Compd. 2020,833,155100.
    11. Wagner, S.; Auerbach, H.; Tait, C. E.; Martinaiou, I.;Shyam Kumar, C. N.; Kübel, C.; Sergeev, I.; Wille, H.-C.; Behrends, J.; Wolny, J. A.; et al. Elucidating the Structural Composition of an Fe-N-C Catalyst by Nuclear and Electron Resonance Techniques. Angew. Chemie Int. Ed.201958 (31), 10486–10492.
    12. Molina‐Jirón, C.; Chellali, M. R.;Shyam Kumar, C.N.; Kübel, C.; Velasco, L.; Hahn, H.; Moreno‐Pineda, E.; Ruben, M. Direct Conversion of CO 2 to Multi‐Layer Graphene Using Cu–Pd Alloys. ChemSusChem201912 (15), 3509–3514.
    13. Shyam Kumar, C.N.; Konrad.,M; Wenzel, W.; Krupke, R.; Kübel, C. Ostwald-like Ripening in Highly Defective Graphene. (Invited, non-peer reviewed)Imagingµscopy 2019, 3,42-44
    14. Shyam Kumar, C.N.; Konrad, M.; Chakravadhanula, V. S. K.; Dehm, S.; Wang, D.; Wenzel, W.; Krupke, R.; Kübel, C. Nanocrystalline Graphene at High Temperatures: Insight into Nanoscale Processes. Nanoscale Adv.20191 (7), 2485–2494.
    15. Lutz, C.; Bog, U.; Loritz, T.; Syurik, J.; Malik, S.; Shyam Kumar, C.N.; Kübel, C.; Bruns, M.; Greiner, C.; Hirtz, M.; et al. Locally Controlled Growth of Individual Lambda-Shaped Carbon Nanofibers. Small201915 (7), 1803944.
    16. Sharma, S.; Shyam Kumar, C.N.; Korvink, J. G.; Kübel, C. Evolution of Glassy Carbon Microstructure: In Situ Transmission Electron Microscopy of the Pyrolysis Process. Sci. Rep.20188 (1), 16282.
    17. Lutz, C.; Syurik, J.; Shyam Kumar, C.N.; Kübel, C.; Bruns, M.; Hölscher, H. Dry Adhesives from Carbon Nanofibers Grown in an Open Ethanol Flame. Beilstein J. Nanotechnol.20178 (1), 2719–2728.
    18. Li, H.; Gordeev, G.; Wasserrot, S.; Chakravadhanula, V. S. K.; Neelakandhan, S. K. C.;Hennrich, F.; Jorio, A.; Reich, S.; Krupke, R.; Flavel, B. S. Inner- and Outer-Wall Sorting of Double-Walled Carbon Nanotubes. Nat. Nanotechnol.201712 (12), 1176–1182.
    19. Shyam Kumar, C.N.; Chakravadhanula, V. S. K.; Riaz, A.; Dehm, S.; Wang, D.; Mu, X.; Flavel, B.; Krupke, R.; Kübel, C. Understanding the Graphitization and Growth of Free-Standing Nanocrystalline Graphene Using in Situ Transmission Electron Microscopy. Nanoscale20179 (35), 12835–12842.
    20. Shyam Kumar, C.N.; Bauri, R.; Yadav, D. Wear Properties of 5083 Al–W Surface Composite Fabricated by Friction Stir Processing. Tribol. Int.2016101, 284–290.
    21. Bauri, R.; Yadav, D.; Shyam Kumar, C.N.; Balaji, B. Tungsten Particle Reinforced Al 5083 Composite with High Strength and Ductility. Mater. Sci. Eng. A2015620, 67–75.
    22. Shyam Kumar, C.N.; Yadav, D.; Bauri, R.; Janaki Ram, G. D. Effects of Ball Milling and Particle Size on Microstructure and Properties 5083 Al–Ni Composites Fabricated by Friction Stir Processing. Mater. Sci. Eng. A2015645, 205–212.
    23. Bauri, R.; Ram, G. D. J.; Yadav, D.;Shyam Kumar, C.N. Effect of Process Parameters and Tool Geometry on Fabrication of Ni Particles Reinforced 5083 Al Composite by Friction Stir Processing. Mater. Today Proc. 2015(4–5), 3203–3211.
    24. Bauri, R.; Yadav, D.; Shyam Kumar, C.N.; Ram, G. D. J. Optimized Process Parameters for Fabricating Metal Particles Reinforced 5083 Al Composite by Friction Stir Processing. Data Br.20155, 309–313.
    25. Shyam Kumar, C.N.; Bauri, R. Enhancing the Phase Stability and Ionic Conductivity of Scandia Stabilized Zirconia by Rare Earth Co-Doping. J. Phys. Chem. Solids201475 (5), 642–650.

     

     

    Conferences

    Conference (selected)

    1. K. K Neelisetty, C.N.Shyam Kumar, A. Kashiwar, T. Scherer, V. S. K.  Chakravadhanula, C. Kübel, Novel thin film lift-off process for in situ TEM tensile characterization, Microscopy and Microanalysis, July, 2021

    2. C.N.Shyam Kumar, V. S. K. Chakravadhanula, S. Dehm, R. Krupke, C. Kübel, Structure and dynamics of nanocrystallinegraphene at high temperatures as revealed by in situ transmission electron microscopy, Carbon 2018,July 2018, Madrid, Spain.

    3. C.N.Shyam Kumar, V. S. K. Chakravadhanula, A. Riaz, S. Dehm, D. Wang, X. Mu, B. Flavel, R. Krupke, C. Kübel, Graphitization and Growth of free-standing NanocrystallineGraphene using In Situ Transmission Electron Microscopy, Microscopy and Microanalysis, July, 2017, Saint Louis, MO, USA.

    4. C.N.Shyam Kumar, V. S. K. Chakravadhanula, A. Riaz, S. Dehm, B. Flavel, R. Krupke, C. Kübel, Understanding Graphitization and Growth of free-standing NanocrystallineGraphene using In situ transmission electron microscopy, MC 2017, August 2017, Lausanne, Switzerland.

    5. C.N.Shyam Kumar, V. S. K. Chakravadhanula, A. Riaz, S. Dehm, B. Flavel, R. Krupke, C. Kübel, Understanding Graphitization and Growth of free-standing NanocrystallineGraphene using In situ transmission electron microscopy, GRK symposium 2017, October 2017, Erlangen, Germany.

    6. C.N.Shyam Kumar, RanjitBauri. “Effect of trivalent and tetravalent co- doping on phase stability and ionic conductivity of scandia stabilized zirconia” in the 2013 World Congress on Advances in Nano, Biomechanics, Robotics, and Energy Research (ANBRE13), Seoul, South Korea, August 25-28, 2013.

     

    Professional Experience

    • Postdoctoral researcher SRMP, CEA Saclay, Saclay, France.May. 2021- June 2022

    • Junior Research & Technology Associate Luxembourg Institute of Science and Technology, Belvaux, Luxembourg. Sept. 2019-Feb. 2021

    • Senior research fellow Indian Institute of Technology Madras, Chennai, Tamil Nadu, India.Jan. 2014-Jan. 2015

    • Material characterization

    • Transmission electron microscopy

    • Carbon nanostructures

    • Polymer pyrolysis

     

    Fabrication and testing of low cost of in situ micro tensile tester for scanning electron microscopy - Indo German  Science and Technology Center  - 2023 -  (7,00,000 - Ongoing)