Balaram Sahoo

by | Feb 18, 2017 | Faculty | 0 comments

Assistant Professor

Ph: +91-80-2293 2943
Fax:+91-80-2360 7316
E-mail: bsahoo@mrc.iisc.ernet.in

Brief Biodata:

Dr. Balaram Sahoo obtained his M. Sc. (Physics) degree from Utkal University, Bhubaneswar, and M. Tech (Met. Engg.and Mat. Sc.)degree from IIT Bombay, Mumbai. He received his Ph.D. (Natural Sciences) in the year 2006, from University of Duisburg-Essen, Duisburg, Germany. He worked as a post-doctoral scientist (Environmental Science) at the Swiss Light Source, Paul Scherrer Institute, Villigen PSI, Switzerland. He, also, worked as a post-doctoral scientist (Photon Science) at PETRA III, in Hamburg Synchrotron Radiation Laboratory (HASYLAB), Hamburg, Germany. He has been a faculty member of MRC, IISc., since 2012

Research:

    • Nanomaterials synthesis, properties and devices.
      • Nanoparticles, thin films, multilayers and hybrid structures.
      • Structural, magnetic, electronic, electrical transport, optical, vibrational, thermal, mechanical and the coupled properties.
      • Data storage devices, magnetic sensors, piezoelectric sensors and actuators, Thermoelectric and magnetoelectric devices.
    • Surface and interface science, nanomagnetism.
    • Photon Science.

Dr. Sahoo’s research group is actively working on developing the cutting edge technologies and performing high level research in materials synthesis, characterization, property measurement and device fabrication using a wide variety of materials and hybrid systems, which include:

    • Synthesis of 0D (nano)materials by chemical methods, 1D and 2D nanomaterials and structures by using various techniques: MBE, thermal evaporation, e-beam evaporation,sputtering deposition, PLD and spin coating etc.
    • Expertise in characterizing materials by X-ray (synchrotron radiation) based (XRD, XRR, PDF, SAXS, GISAXS, XPS, XANES, EXAFS, XMCD, XMLD, XMS, NRXS, NRS, NRIXS, SMS etc.), neutron based (ND, NR, INS, NSE) , ion beam based (RBS), electron beam based (SEM, TEM, ED) techniques as well as many other laboratory based techniques (like AFM/MFM, Mossbauer spectroscopy, SQUID/VSM, MOKE microscopy, FTIR, Raman spectroscopy, TGA/DTA, AES etc.).
    • Devices of interest: data storage and memory devices (magnetic, ferroelectric, phase change and optical etc.);magnetic property (MR, GMR, TMR, exchange bias) based spin-valve devices, bio-sensors and imaging devices;dielectric(piezoelectric, ferroelectric and pyroelectric) material based sensors (transducer), actuators and other devices;novel temperature, pressure and magnetic field sensors; development of electro- optical, magneto-optical, thermoelectric, magnetostrictive devices; and otherdevices using ferromagnetic shape-memory materials.
    • Study of a wide variety of materials (Amorphous-Crystalline, Metals- Semiconductors-Insulators, Ceramics, Polymers and Composites etc.) using a wide variety of sample environments (low-/high-temperature, -pressure, -magnetic field, -electric field etc.).

Recent Publications:

  1. R. Röhlsberger, H. C. Wille, K. Schlage and B. Sahoo, Electromagnetically Induced Transparency with Resonant Nuclei in a Cavity. Nature, 199 482 (2012)
  2. B. Sahoo, W. Keune, V. Kuncser and R. Röhlsberger As-grown Superconducting MgB2 Thin Films Prepared at Extreme Deposition Conditions, Supercond. Sci. Technol. 015004 25 (2012)
  3. B. Sahoo, W. Keune, V. Kuncser, H.-W. Becker and R. Röhlsberger Metallurgical Phases and Their Magnetism at the Interface of Nanoscale MgB2/Fe Layered Systems, J. Phys.: Cond. Mat., 475702 23 (2011)
  4. B. Sahoo, K. Schlage, J. Major, U. von Hörsten, W. Keune, H. Wende and R. Röhlsberger Preparation and Characterization of Ultrathin Stainless Steel Films, AIP conf. Proc. 57 1347 (2011)

Career Publications

  1. R. Röhlsberger, H. C. Wille, K. Schlage and B. Sahoo Electromagnetically Induced Transparency with Resonant Nuclei in a Cavity. Nature, 199 482 (2012)
  2. B. Sahoo, W. Keune, V. Kuncser and R. Röhlsberger As-grown Superconducting MgB2 Thin Films Prepared at Extreme Deposition Conditions, Supercond. Sci. Technol. 015004 25 (2012)
  3. B. Sahoo, W. Keune, V. Kuncser, H.-W. Becker and R. Röhlsberger Metallurgical Phases and Their Magnetism at the Interface of Nanoscale MgB2/Fe Layered Systems, J. Phys.: Cond. Mat., 475702 23 (2011)
  4. B. Sahoo, K. Schlage, J. Major, U. von Hörsten, W. Keune, H. Wende and R. Röhlsberger Preparation and Characterization of Ultrathin Stainless Steel Films, AIP conf. Proc. 57 1347 (2011)
  5. R. Röhlsberger, K. Schlage, B. Sahoo, S. Couet and R. Rüffer Collective Lamb Shift in Single-Photon Superradiance, Science 1248 328 (2010) (Cover page selected)
  6. W. A. A. Macedo, B. Sahoo, J. Eisenmenger, M. D. Martins, W. Keune, V. Kuncser, R. Röhlsberger, O. Leupold, R. Rüffer, J. Nogués, Kai Liu, K. Schlage, and Ivan K. Schuller Direct measurement of depth-dependent Fe spin structure during magnetization reversal in Fe/MnF2 exchange-coupled bilayers, Phys. Rev. B. 224401 B 78 (2008)
  7. B. Roldan Cuenya, W. Keune, R. Peters, E. Schuster, B. Sahoo, U. von Hörsten, W. Sturhahn, J. Zhao, T. S. Toellner, E. E. Alp, and S. D. Bader High-energy phonon confinement in nanoscale metallic multilayers, Phys. Rev. B 165410 B 77 (2008)
    Also appeared in: Virtual J. Nano Sci. & Tech. 17, Issue 16, April 2008
  8. H. Nagar, N. Kulkarni, S. Karmakar, B. Sahoo, I. Banarjee, P. Chaudhari, S. V. Bhoraskar, R. Pasricha, A. K. Das, S. K. Date and W. Keune Structural and Mössbauer Spectroscopical Investigations of Nanophase Iron Oxides Synthesized by Thermal Plasma Route, Materials Characterization 1215 59 (2008).
  9. V. Kuncser, G. Schinteie, B. Sahoo, W. Keune, D. Bica, L. Vekas and G. Filoti Magnetic interactions in water based ferrofluids studied by Mössbauer spectroscopy, J. Phys.: Condens. Matter 016205 19 (2007).
  10. B. Sahoo, W. A. Adeagbo, F. Stromberg, W. Keune, E. Schuster, R. Peters, P. Entel, S. Lüttjohann, A. Gondorf, W. Sturhahn, J. Zhao, T. S. Toellner and E. E. Alp Electronic Transport and Atomic Vibrational Properties of Semiconducting Mg2119Sn Thin Film, Phase Transitions 839 79 (2006)
  11. B. Sahoo, W. Keune, E. Schuster, W. Sturhahn, J. Zhao, T. S. Toellner and E. E. Alp Vibrational Dynamics of Fe in Amorphous Fe-Sc and Fe-Al Alloy Thin Films, Hyperfine Interactions 33 170 (2006)
  12. B. Sahoo, W. A. A. Macedo, W. Keune, V. Kuncser, J. Eisenmenger, J. Nogués, I. K. Schuller, I. Felner, Kai Liu and R. Röhlsberger Mössbauer Spectroscopical Investigation of the Exchange Biased Fe/MnF2 Interface, Hyperfine Interactions 1371169 (2006)
  13. B. Sahoo, W. Keune, W. Sturhahn, T.S. Toellner and E.E. Alp Amorphous Fe-Mg Alloy Thin Films: Magnetic Properties and Atomic Vibrational Dynamics, Hyperfine Interactions 1185 168 (2006)
  14. V. Kuncser, G. Schinteie, B. Sahoo, W. Keune, D. Bica, L. Vekas and G. Filoti Complex Characterization of Magnetic Fluids by Mössbauer Spectroscopy, Romanian Reports in Physics 235 58 (2006)
  15. B. Sahoo, V. Kuncser, W. Keune and J. Pieper Mössbauer Spectroscopical Investigation of Amorphous Fe-Y Alloy Ribbons Prepared by Melt Spinning, Hyperfine Interactions 165 165 (2005)
  16. B. Sahoo, W. Keune, W. Sturhahn, T. S. Toellner and E. E. Alp Atomic Vibrational Dynamics of Amorphous Fe-Mg Alloy Thin Films, J. Phys. Chem. Solids 2263 66 (2005)
  17. V. Kuncser, C. P. Lungu, I. Mustata, A. M. Lungu, W. Keune, B. Sahoo, F. Stromberg, M. Walterfang, L. Ion and G. Filoti Fe-Cu Granular Thin Films With Giant Magnetoresistance by Thermionic Vacuum Arc Method: Preparation and Structural Characterization, Surface and Coatings Technology 980 200 (2005)
  18. S. K. Date, P. A. Joy, P. S. Anil Kumar, B. Sahoo and W. Keune Structural, Magnetic and Mössbauer Studies on Nickel-Zinc Ferrites Synthesized via a Precipitation Route, Phys. Stat. Sol. 3495 (c) 1 (2004)
  19. W. A. A. Macedo, B. Sahoo, V. Kuncser, J. Eisenmenger, I. Felner, J. Nogués, Kai Liu, W. Keune and Ivan K. Schuller Changes in Ferromagnetic Spin Structure Induced by Exchange Bias in Fe/MnF2 Films, Phys. Rev. B 224414 70 (2004)
  20. D. Predoi, V. Kuncser, M. Zaharescu, W. Keune, B. Sahoo, M. Valeanu, M. Crisan, M. Raileanu, A. Jitianu and G. Filoti Structural and Magnetic Properties of Iron Species/SiO2 Nanocomposites Obtained by Sol-Gel Methods, Phys. Stat. Sol. (c) 3507 1 (2004)
  21. V. Kuncser, W. Keune, B. Sahoo, E. Duman, M. Acet, F. Radu, M. Valeanu, O. Crisan and G. Filoti Magnetic Interactions and Spin Configuration in FeRh and Fe/FeRh Systems, J. Magn. Magn. Mater. 272 (2004) 348
  22. W. Keune, T. Ruckert, B. Sahoo, W. Sturhahn, T. S. Toellner, E. E. Alp and R. Röhlsberger Atomic Vibrational Density of States in Crystalline and Amorphous Tb1-xFex Alloy Thin Films Studied by Nuclear Resonant Inelastic X-ray Scattering (NRIXS), J. Phys.: Condens. Matter S379 16 (2004)
  23. V. Kuncser, M. Doi, B. Sahoo, F. Stromberg and W. Keune Preparation and Structural Investigations of Epitaxially Grown Antiferromagnetic FeSn2 (001) Thin Films on InSb(001), J. Appl. Phys. 3573 94 (2003)
  24. V. Kuncser, W. Keune, M. Vopsaroiu, P. R. Bissel, B. Sahoo and G. Filoti Easy Axis Distribution in Modern Nanoparticle Storage Media: A New Methodological Approach, J. Optoelectronics and Advanced Mater.217 5 (2003)
  25. B. Sahoo, V. Kuncser, S. Kirsch and W. Keune Superconductivity of MgB2 Thin Films Prepared by Co-Evaporation and Magnetism of MgB2/Fe Multilayers Studied by Mössbauer Spectroscopy, Phase Transitions 423 76 (2003)
  26. S. K. Mohapatra, B. Sahoo, W. Keune and P. Selvam Synthesis, characterization and catalytic properties of trivalent iron substituted hexagonal mesoporous aluminophosphates, Chem. Commun.1466 (2002)
  27. V. Kuncser, M. Vopsaroiu, B. Sahoo, P. R. Bissel and W. Keune Advanced double coated metal particle tapes studied by Mössbauer spectroscopy and magnetic measurements, Hyperfine Interactions (c) 103 5 (2002)
  28. T. Ruckert, W. Keune, B. Sahoo, W. Sturhahn, T. Toellner, E. E. Alp and R. Röhlsberger Atomic Vibrational Dynamics of Thin Films Studied by Nuclear Resonant Inelastic X-Ray Scattering: Amorphous TbxFe1-x Alloys, Hyperfine Interactions 65 144/145 (2002)
  29. W. Keune, V. E. Kuncser, M. Doi, M. Askin, H. Spies, B. Sahoo, E. Duman, M. Acet, J. S. Jiang, A. Inomata and S. D. Bader Mössbauer Effect Study of the Fe Spin Structure in Exchange-Bias and Exchange-Spring Systems, J. Phys. D: Applied Physics 2352 35 (2002)