Education

Ph.D. | 2012 | Institute of physics, Bhubaneswar (under Dept. Of Atomic Energy, India)

  • Subject: Experimental Condensed Matter Physics
  • Thesis: “Growth of Si-Ge Nanostructures on High Index Silicon surfaces using Molecular Beam Epitaxy and their Characterizations

Diploma in Advanced Physics (Eq. to M.Phil.) | 2007 | Institute of physics, Bhubaneswar

  • Subject: Advanced Physics
  • Thesis: “Ge Quantum Dots On Clean Si Surfaces: MBE-STM-TEM Studies

M.Sc. | 2005 | Sambalpur University, Odisha, India

  • Subject: Physics
  • Special Paper: Solid state Physics

B.Sc. | 2003 | Sonepur College/Sambalpur University, Odisha, India

  • Subject: Physics (Honours), Chemistry, Mathematics

Experience

Postdoc.  Research Associate | Rensselaer Polytechnic Institute (RPI), New York, USA

  • Duration: August 2012 to August 2015
  • Research : Fabrication of Layered Transition Metal Dichalcogenides (TMDs) and their device Applications

Postdoc.  Research Associate | Indian Institute of Technology (IIT), Bhubaneswar, India

  • Duration: October 2015 to February 2016
  • Research : Growth and characterization of 2D Layered oxides in UHV- MBE and CVD conditions

Postdoc.  Research Associate | Nano Convergence Lab, Yonsei Univ., Seoul, South Korea

  • Duration: April 2016 to July 2017
  • Research : van der Waal’s Epitaxy of 2D materials hetero-structures (TMDs and TMOs) and their device applications

Skills & Abilities

  • Operating Systems: Linux, Windows, Mac
  • Programming: Python, C, C++, FORTRAN, HTML
  • Scientic Software: Mathematica, Matlab, LabVIEW
  • Growth Techniques: Expertise in MBE, CVD (growing 2D materials), PVD, Magnetron Sputtering
  • Characterization Tools: Scanning probe microscopy (AFM and STM ), XRD, XPS, RHEED, Raman, PL
  • Instrumentation: Experience in designing and installation of custom-made High-Vacuum and UHV growth chamber with insitu electron diffraction facility.

Research Interest

  • Fabrication and characterization of 2D layered transition metal dichalcogenides (TMDs), Oxides (TMOs) and Carbides (Mxenes) leading to device applications i.e. FETs, Solar Cells and Energy storage · Epitaxial growth of Metal and Semiconductor hetero-structures and their characterizations.
  • Crystallographic texture analysis by X-ray pole figure and RHEED surface pole figure techniques.

Awards & Fellowships

  • Best poster presentation award by American Vacuum Society (AVS) at Rensselaer Polytechnic Institute, New York, USA in Fall meeting-2014
  • Brain Korea (BK21) Plus research fellowship at Yonsei University, Seoul, South Korea in 2016
  • Korea research fellowship(KRF) from Natiotional Reseach Foundation (NRF), South Korea in 2016

List of Publications

  1. Direct Observation of Grain Boundaries in Chemical Vapor Deposited Graphene - J.-Y. Lee, J.-H. Lee, M. J. Kim, J. K. Dash, C. Lee, R. Joshi, A. Soon, G.-H. Lee Carbon 115, 147-153 (2017)
  2. Large single crystal SnS2 flakes synthesized from co-evaporation of Sn and S - Yang, J. K. Dash, A. Littlejohn, T.-M. Lu, G.-C. Wang - Crystal growth and Design, 16(2), 961-973 (2016)
  3. Tuning the phase and optical property of ultra-thin SnSx films - Yang, J. K. Dash, T.-M. Lu, G.-C. Wang, L. H. Zhang and K. Kisslinger - Journal of Physical Chemistry C, 120 (24), 13199-13214 (2016)
  4. A Method Toward Fabricating Semiconducting 3R-NbS2 Ultrathin Films - Dash*, L. Chen, P. Dinolfo, T.-M. Lu, and G.-C. Wang - Journal of Physical Chemistry C, 119 (34), 1976319771 (2015)
  5. A simple growth method for Nb2O5 films and their optical properties - Dash*, L. Chen, P. Dinolfo, L. H. Zhang, K. Kisslinger, T.-M. Lu and G.-C. Wang RSC Advances, 5(45), 36129-36139 (2015)
  6. Metal enhanced Ge1-xSnx alloy film growth on glass substrates using biaxial CaF2 buffer layer. K. Dash*, L. Chen, T.-M. Lu, G.-C. Wang, L. H. Zhang and K. Kisslinger CrystEngComm, 16(37), 8794-8804 (2014)
  7. Universality in shape evolution of Si1-xGex structures on high index Silicon surfaces - Dash, T. Bagarti, A. Rath, R. R. Juluri, P. V. Satyam - Euro Physics Letter (EPL) 99(6)66004 p1-p6 (2012)
  8. Shape evolution of MBE grown Si1-xGex structures on high index Silicon surfaces: A temperature dependent study - Dash, A. Rath, R. R. Juluri, P.V. Satyam - Phys. D: Appl. Phys. 45(45) 455303 p1-p6 (2012)
  9. DC heating induced shape transformation of Ge structures on ultra clean Si (5 5 12) surfaces K. Dash, A. Rath, R. R. Juluri,P Santhana Raman, K. Muller, A. Rosenauer and P.V. Satyam J. Phys.: Condens. Matter 23(13), 135002 p1-p8 (2011)  
  10. Morphological variations in AuxSiy nanostructures under variable pressure and annealing conditions
  11. Rath, J. K. Dash, R. R. Juluri, and P.V. Satyam - Applied Physics A , 118(3) 1079-1085 (2015)
  12. A study of initial stages of growth of Au-assisted epitaxial Ge nano wires on clean Ge (100) Surface - Rath, K. Dash, R. R. Juluri, A. Ghosh, A. Rosenauer and P. V. Satyam CrystEngComm, 16(12), 2486-2490 (2014)
  13. Instrument response of reflection high energy electron diffraction pole figure
  14. Chen, J. K. Dash, P. Su, C.F. Lin, I. Bhat, T.-M. Lu and G.-C. Wang - Applied Surface Science, 288, 458-465 (2014)
  15. Growth of Oriented Au Nanostructures: Role of Oxide at the Interface - Rath, K. Dash, R. R. Juluri, A. Rosenauer, Marcos Schoewalter and P.V. Satyam -Appl. Phys. 111(6), 064322 p1-p3 (2012)
  16. Nano scale phase separation in Au-Ge system on ultra clean Si(100) surfaces - Rath, K. Dash, R. R. Juluri, A. Rosenauer and P. V. Satyam - Appl. Phys. 111(10), 104319 p1-p8 (2012)
  17. Epitaxy-like orientation of nanoscale Ag islands grown on air-oxidized Si(110)-(5×1) surfaces - Anupam Roy, J. K. Dash, A. Rath and B. N. Dev - Surface and Interface Analysis, 44(5), 513-518 (2012)
  18. Temperature dependent electron microscopy study of Au thin films on Si(100) with and without native oxide layer as barrier at the interface - Rath, K. Dash, R. R. Juluri, A. Rosenauer and P. V. Satyam - Physics D: Applied Physics, 44(11), 115301 p1-p9 (2011)
  19. Growth of oriented Ag nanocrystals on air-oxidized Si surfaces: An insitu high energy electron diffraction study - Roy, K. Bhattacharjee, K. Dash and B. N. Dev - Thin Solid Films 520(2), 853-860 (2011)
  20. Observation of grain growth in swift heavy ion irradiated NiO thin films
  21. Mallick, C. Rath, J. K. Dash, R. Biswal, D. C. Agarwal, D. Behera, D. K. Avasthi, D. Kanjilal, P. V. - Satyam and N.C. Mishra - Indian Journal of Physics 84 (10), 1399-1404 (2010)
  22. Formation of aligned nano-silicide structures in MBE grown Au/Si(110) system: A real time temperature dependent TEM study - M. Bhatta, J. K. Dash, A. Roy, A. Rath and P. V. Satyam - Phys.: Condens. Matter 21(20), 205403 p1-p7 (2009)
  23. Oxide mediated liquid-solid growth of high aspect ratio-aligned gold silicide microrods on Si (110) substrates - M. Bhatta, A. Rath, J. K. Dash, J. Ghatak, L. Yi-Feng, C.-P. Liu, P. V. Satyam Nanotechnology 20(46), 465601 p1-p7 (2009)
  24. Structural phase transitions in Au thin films on Si (110): An in-situ temperature dependent transmission electron microscopy study - Umananda M. Bhatta, J. K. Dash, A. Rath, P. V. Satyam - Applied Surface Science, 256(2), 567-571 (2009)
  25. Growth of oriented crystalline Ag nanoislands on air-exposed Si(001) surfaces A Roy, K. Bhattacharjee, J. K. Dash and B. N. Dev - Applied Surface Science, 256(2), 361-364 (2009)
  26. Shape transformation of Si1-xGex structures on ultra clean Si (5 5 7) and Si (5 5 12) surfaces K. Dash, A. Rath, R. R. Juluri, K. Mueller, A. Rosenauer, P.V. Satyam Journal of Physics: Conf. Series 326, 012021 (2011)

Presentations

  1. Poster Presentation at 4th International Conference on Electronic Materials and Nanotechnology for Green Environment (ENGE 2016), held at Jeju, South Korea - Title: Hetero-epitaxial growth of two dimensional molybdenum oxide layers
  2. Poster Presentation at American Vacuum Society (AVS) Fall meeting-2014, held at Rensselaer Polytechnic Institute (RPI), New York, USA. (Awarded with Best Poster Presentation) - Title: Metal enhanced Ge1-xSnx alloy film growth on glass substrates using biaxial CaF2 buffer Layer
  3. Poster presentation at Workshop on Electron Microscopy (WEM-2011), held at Institute of Physics, Bhubaneswar, India. - Title: Aligned Si-Ge nanostructures on high index Si surfaces
  4. Presented a poster in International conference on Ion beam induced nano-patterning of materials (IINM-2011), held at Institute of Physics, Bhubaneswar, India. - Title: Self-organization of aligned Ge structures on high index Si(5 5 7) and Si(5 5 12) surfaces
  5. Oral presentation at Seminar on Physics and Technology of Novel Materials (PTNM-2010) at Sambalpur University, India. - Title: Aligned Quantum Structures on High Index Silicon Surfaces
  6. Poster presentation at International Conference on Physics at Surfaces and Interfaces, PSI-2009, Toshali Sands, Puri, India. - Title: Structural phase transitions in Au thin films on Si (110): An in-situ temperature dependent transmission electron microscopy study
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