Dr. Dipti Ranjan Mohapatra

Name: Dr. Dipti Ranjan Mohapatra Designation: HOD and Assistant Professor Qualification: M.Sc, Ph.D Contact No: 8984438219 Email Id: dipti.mohapatra81@gmail.com

• Area of Research

  ---

  Understanding of nanomaterial synthesis and their properties, namely, carbon nanotubes and graphene for electrical and optical sensor applications.
• Teaching Domain

  ---

  Laws of Physics at low dimension, Quantum Mechanics ,Classical Physics, Electricity and Magnetism, Solid state Physics etc.
• Publications(Journals & conference)

  ---

  International Journals:
  1. Photoresponse of double-stacked graphene to infrared radiation, P. Gowda, Dipti R Mohapatra, A. Misra, Nanoscale 7, 15806 (2015) ISSN 2040-3364.
  2. Tuning photoinduced terahertz conductivity in monolayer graphene: Optical pump terahertz probe spectroscopy, S. Kar, Dipti R. Mohapatra, E. Freys, and A. K. Sood, Physical Review B 90, 165420 (2014) , ISSN -1098-0121
  3. Enhanced photoresponse in monolayer hydrogenated graphenephotodetector, P. Gowda, Dipti R Mohapatra, A. Misra, ACS Applied Materials and Interface 6, 16763 (2014). ISSN no-1944-8244,
  4. Nonlinear optical absorption in graphene infrared photodetector, P. Gowda, Dipti R Mohapatra, A. Misra, Nanotechnology 25, 335710 (2014). ISSN-1361-6528.
  5. Carbon nanoflake growth from carbon nanotubes by hot filament chemical vapor deposition, S. C. Sahoo, Dipti R. Mohapatra, H. -J. Lee, S. M. Jejurikar, I. Kim, S. –C. Lee, J. –K. Park, Y. –J. Baik, and W. –S. Lee, Carbon67, 704(2014). ISSN- 0008-6223.
  6. A novel structure of tungsten carbide nanowalls grown on nanocrystalline diamond film, Dipti Ranjan Mohapatra, H. J, Lee, S. C. Sahoo, W. S. Lee, CrystEng Comm. 14Study of microstructures in single crystalline chemical vapor deposited diamond thin films, L. Jain, D. R. Mohapatra, R. Bajpai, RitwikBasu, D.S Misra, IndradevSamajdar, Materials Science Forum 1015, 702 (2011), ISSN No-1662-9752.
  7. Development of crystallographic texture and in-grain misorientation in CVD produced single and polycrystalline diamond, DiptiRanjanMohapatra, L. Jain, P. Rai, K. S. Hazra, I. Samajhdar, D. S. Misra, Chemical Vapor Deposition 17, 107 (2011). ISSN-1521-3862.
  8. Healing of broken multiwalled carbon nanotubes using very low energy electrons in SEM: a route toward complete recovery, N. Kulshrestha, A. Misra, K. S. Hazra, S. Roy, R. Bajpai, Dipti Ranjan Mohapatra, D. S. Misra, ACS Nano 5, 1724 (2011). ISSN-1936-0851.
  9. Correlation between the saturation of emission current and defect coordination number for irradiated aligned multiwalled carbon nanotubes, Brahmananda Chakraborty, P. Rai, K. S. Hazra, Dipti R. Mohapatra, D. S. Misra, and S. Banerjee, Chemical Physics Letters 495, 266 (2010). ISSN-0009-2614.
  10. Dramatic enhancement of the emission current density from carbon nanotube based nanosize tips with extremely low onset fields, Kiran Shankar Hazra, Padmnabh Rai, Dipti Ranjan Mohapatra, Nehakulshrestha, ReetiBajpai, Soumyendu Roy and D. S. Misra, ACS Nano, 3, 2617 (2009). ISSN-1936-0851.
  11. Parameter window of diamond growth on GaN films by microwave plasma chemical vapor deposition,Dipti Ranjan Mohapatra, PadmnabhRai, AbhaMisra, Pawan K. Tyagi, Brajesh S. Yadav, and D.S. Misra, Diamond Relat. Material 17, 1775 (2008). ISSN-0925-9635.
  12. Nanotip formation on carbon nanotube pillar array for field emission application, PadmnabhRai, Dipti R. Mohapatra, K. S. Hazra, D. S. Misra, and S. P. Tiwari, Applied Physics Letter 93, 131921 (2008). ISSN-0003-6951.
  13. Appearance of radial breathing modes in Raman spectra of multi-walled carbon nanotubes upon laser illumination, PadmnabhRai, Dipti R. Mohapatra, K.S. Hazra, D.S. Misra, Jay Ghatak, P.V. Satyam, Chemical Physics Letters 455, 83 (2008). ISSN-0009-2614.
  14. Axial buckling and compressive behavior of nickel-encapsulated multiwalled carbon nanotubes, AbhaMisra, Pawan K. Tyagi, PadmnabhRai, Dipti Ranjan Mahopatra, Jay Ghatak, P.V. Satyam, D.K. Avasthi, and D.S. Misra, Physical Review B 76, 014108 (2007). ISSN no-1098-012.
  
  Conferences/Proceedings:
  1. Raman spectroscopy of hydrogen functionalized CVD graphene, DiptiRanjanMohapatra and A. K. Sood, Presented at Indo-Taiwan Workshop on Nanodevices, 2012, JNCASR, Bangalore.
  2. Fabrication of diamond photodetector made with CVD single crystal diamond, DiptiRanjanMohapatra, R. Bajpai, K. S. Hazra, N. kulshrestha, S. Roy and D. S. Misra, Presented at International Conference on Nano Science and Technology (ICONSAT 2010), IIT Bonbay, India.
  3. Field emission study of composites of carbon nanotube and diamond, R. Bajpai, K. S. Hazra, D. R. Mohapatra, S. Roy, N. kulshrestha, and D. S. Misra, Presented at International Conference on Nano Science and Technology (ICONSAT 2010), IIT Bonbay, India.
  4. Raman and infrared spectra of isotpically controlled single crystal diamonds, DiptiRanjanMohapatra, PadmnabhRai, K. S. Hazra, and D. S. Misra, Presented at 2nd International Conference on Physics at Surface and Interfaces (PSI 2009), Puri, India.
  5. Nuclear Magnetic Resonance study of 13C-enriched Chemical Vapor Deposited Single Crystal Diamond films, DiptiRanjanMohapatra, K. S. Hazra, R. Bajpai, N. Kulshretha, and D. S. Misra, Presented in 3rd International Conference on New Diamond and Nano Carbons (NDNC 2009), Traverse City, Michigan, USA.
  6. Diameter control of multi-walled carbon nanotubes by growth temperature in thermal chemical vapor deposition, PadmnabhRai, Dipti R. Mohapatra, K. S. Hazra, and D. S. Misra, Presented at International Conference on Nano Science and Technology (ICONSAT 2008), Kalpakkam-603 102, India.
  7. Effect of nitrogen addition on the morphology of chemical vapor deposited single crystal diamond, DiptiRanjanMohapatra, PadmnabhRai, K. S. Hazra, and D. S. Misra, Solid State Physics53, 491 (2008).
  8. Selective growth of carbon nanotubes for micro-pillar formation and their field emission study, K. S. Hazra, PadmnabhRai, D. R. Mohapatra, and D. S. Misra, Solid State Physics53, 588 (2008).
  9. Field Emission from Carbon Nanotubes Grown at Different Temperature, PadmnabhRai, Dipti R. Mohapatra, K. S. Hazra, AbhaMisra, Pawan K. Tyagi, and D. S. Misra, Solid StatePhysics 52, 335 (2007).
  10. Tempereture dependent photoluminescence spectroscopy in chemical vapor deposited diamond film, DiptiRanjanMohapatra, PadmnabhRai, AbhaMisra, K. S. Hazra, P. K. Tyagi, andD.S. Misra, Solid State Physics 52, 975 (2007).
  11. Raman spectroscopic investigation of the chirality of single-walled carbon nanotubes,produced by microwave plasma chemical vapor deposition, K. S. Hazra, PadmnabhRai,Dipti R. Mohapatra, and D. S. Misra, Solid State Physics 52, 339 (2007).
  12. Photoluminescence study of polycrystalline and single crystal diamond, DiptiRanjanMohapatra, PadmnabhRai, AbhaMisra, P. K. Tyagi, and D.S. Misra, IEEE International Workshop onPhysics of Semiconductor Devices 14, 891 (2007).
  13. Field emission from carbon nanotubes: a comparative study between the carbon nanotubes synthesized by thermal and microwave plasma chemical vapor deposition, PadmnabhRai, Dipti R. Mohapatra, AbhaMisra and D.S. Misra, IEEE International Workshop on Physics ofSemiconductor Devices 14, 834 (2007).
  14. Argon ion induced field emission from vertically aligned multiwalled carbon nanotubes, PadmnabhRai, AbhaMisra, P. K. Tyagi, Dipti R. Mohapatra, D. S. Misra, Presented at International Conference on Advanced Nano Materials (ANM 2007), Mumbai-400 076, India.
  15. Synthesis of Single-walled and Multi-walled Carbon Nanotubes by Microwave Plasma Chemical Vapor Deposition, PadmnabhRai, AbhaMisra, P. K. Tyagi, Dipti R. Mohapatra, and D. S. Misra, Solid State Physics 51, 313 (2006).
  16. Induced defects creation of carbon nanotube due to the formation of field emitter nanotips by plasma treatment technique, K. S. Hazra, P. Rai,Dipti R. Mohapatra, N. kulshrestha, R. Bajpai, S. Roy, and D. S. Misra, Presented at International Conference on Nano Science and Technology (ICONSAT 2010), IIT Bonbay, India.
  17. Structural changes in nickel nanorods encapsulated in carbon nanotubes by 200 KV electron irradiation in TEM, NehaKulshrestha, Kiran Shankar Hazra, Soumyendu Roy, ReetiBajpai, DeeptiRanjanMohapatra, Lokendra Jain and D. S. Misra, , AIP Conference Proceedings 1313, 259 (2010).
  
• Workshop & Seminars

  ---

  IEEE International Workshop on Physics of Semiconductor Devices, 10th February 2007, IIT Bombay.
• Projects/Consultancy

  ---

  -NA-
• Professional Experience

  ---

  six years
• Professional Membership

  ---

  IEEE
• Extension Activity

  ---

  -NA-