KATHMANDU UNIVERSITY
School of Science
Department of Natural Sciences

 

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Dr. Deepak Prasad Subedi
Designation Associate professor
Department Natural Sciences
Location Dhulikhel, Kavre, Nepal
Phone 977-11-661399, 9841457202
Fax 977-11-661443
E-mail dsubedi@ku.edu.np,
deepaksubedi2001@yahoo.com

 

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Dr. Deepak Prasad Subedi is an Associate Professor of Physics in Kathmandu University. He is also the Head of the Department of Natural Sciences, School of Science, Kathmandu University. His research interest is in low temperature plasma physics. His research is focused on the surface modification of polycarbonate and polyethylene by low pressure and atmospheric pressure plasmas. He has published more than 30 papers. Currently, he is working on a project for the development of dielectric barrier discharge (DBD) at atmospheric pressure suitable for water purification.(my CV)
 
 
Education
1999-2002

Ph. D. (Plasma Physics)
Department of Physical Electronics , Faculty of Science,
Masaryk University, Brno, Czech Republic
1993-1996

M. Sc. (Physics)
Central Department of Physics,
Tribhuvan University, Kathmandu, Nepa
1990-1993

B. Sc. (Physics, Math., Stat.)
Tri-chandra Multiple College,
Tribhuvan University, Kathmandu, Nepal
 
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Areas of Expertise
Deposition of thin films such as SiO2 and DLC using Plasma Enhanced Chemical Vapor Deposition (PECVD) and optical characterization of the films by Ellipsometer. Surface characterization of plasma treated polymers by contact angle measurement and subsequent calculation of surface free energy with its polar and dispersion componenets. Diagnostics of plasma using optical emission spectrometer for the estimation of rotational temperature of gas molecules and also for the estimation of electron temperature.
 
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Publications

  1. D. P. Subedi, L. Zajickova, V. Bursikova, J. Janca, Surface Modification of Polymers by Low Pressure Plasma and Its Characterization, Proceedings of Week of Doctoral
    Students  WDS'00, Praha (2000) 303--308, ISBN: 80-85863-59-6.

  2. D. P. Subedi, L. Zajickova, V. Bursikova, S. Smirnov, J. Janca, Low Pressure Plasma Treatment of Polycarbonate, Proc. of 4th Czech-Russian Seminar on Project No. 101(98),
    Electrophysical and Thermophysical Processes in Low- Temperature Plasma,
    Brno, (2000) 21--24, ISBN: 80-214-1600-9}

  3. V. Bursikova, L. Zajickova, P. Dvorak, D. P. Subedi and J. Janca, Plasma Enhanced Chemical  Vapor Deposition of Silicon Incorporated Diamond Like Carbon Films, Pro. XVth Europhysics conference on Atomic and Molecular Physics of Ionized Gases, Miscolc-lillafured, Hungary (2000) 408-409.

  4. F. Crcma, J. Janca, P. Stahel, J. Buchta, D. Subedi, J. Pryckova, A Plasma Treatment of `Surface of  Synthetic Textile Fabrics, Used for Reinforcement of Car Tyres. Proc. 15th International Sympossium on Plasma Chemistry, Orleans, France, (2000) 2397-2404.

  5. J. Janca, P. Stahel, J. Buchta,  D. Subedi, F. Krcma, J. Pryckova,  A Plasma Surface    Treatment of Polyester Textile Fabrics Used For Reinforcement of Car Tyres, Plasmas   and Polymers, Vol.6, Nos.1/2, June 2001, 15--26.

  6. L. Zajickova, V. Bursikova, V. Perina, Mackova A, D. P. Subedi, J. Janca, S. Smirnov, Plasma Modifications of Polycarbonates, Surface and Coating Technology, 142--144, (2001) 449-454

  7. D. P. Subedi,  J. Janca, P. Stahel, J. Buchta, F. Krcma, J. Pryckova, Wettability Measurement of Plasma Treated Polyester Fiber, Proceedings of Week of Doctoral Students WDS'00, Praha, (2001) 412-417, ISBN: 80-85863-73-1

  8. D. P. Subedi, L. Zajickova, V. Bursikova, J. Janca, Diagnostics of Low Pressure Radio Frequency Plasma by Optical Emission Spectroscopy, Proceedings of Week of Doctoral Students WDS'00, Praha, (2001) 400-405, ISBN: 80-85863-73-1

  9. D. P. Subedi, J. Janca, P. Stahel, J. Buchta, F. Krcma, J. Pryckova, Wettability Measurement of Plasma Treated Polyester Fiber,
    Proc. of JUNIORMAT'01, Brno, (2001) 70--73, ISBN: 80-214-1885-0

  10. V. Bursikova, L. Zajickova,  V. Navratil,  J. Pryckova, D. P. Subedi and J. Janca, Modification of Plasma deposited DLC Films by Hexamethyldisiloxane Addition, Proc. 13th Sympossium on Application of Plasma  Processes, January 15-21, Low Tatras, Slovakia (2001) 77-78.

  11. J. Janca, P. Stahel, J. Buchta, D. Subedi, F. Crcma, A Plasma Treatment of Surface of Synthetic Textile Fibres Which Can be Used as Cords in Car Tyres, Proc. 13th Sympossium on Application of Plasma Processes, Low Tatras, Slovakia (2001) 98-99.

  12. J. Buchta, P. Stahel, D. Subedi, J. Janca, Plasma Surface Tratment of Polyester Textile Fiber, Pro. Week of Doctoral StudentsWDS'01, Praha (2001) 400-405,
    ISBN: 80-85863-73-1

  13. J. Buchta, P. Stahel, D. P. Subedi, J. Janca, F. Crcma, A plasma Surface Treatment of Polyester Textile Fibers in Dielectric Barrier Discharge, Proc. JUNIORMAT'01, Brno (2001) 146-147, ISBN: 80-214-1885-0

  14. J. Pryckova, D. P. Subedi, V. Bursikova, L. Zajickova, O. Brzobohaty, Stanoveni Povrchove Energi Tenkych Vrstev Nanasenych v Plazamatu Vysokefrekvencniho Vyboje, Proc. JUNIORMAT'01 Brno (2001) 230-231, ISBN: 80-214-1885-0.

  15. P. Stahel, J. Janca, D. P. Subedi, Surface activation of non-fabricated polymeric textile  by means of low temperature plasmas at atmospheric pressure, Czechoslovak Journal of Physics, Vol.52(2002)

  16. L. Zajickova, D. P. Subedi, V. Bursikova, K. Veltruska, Study of Argon Plasma Treatment of  Polycarbonate Substrate and Its Effect on Film Deposition,   Acta Physica Slovacca. Vol. 53, No. 6, 489-504, 2003

  17. D. P. Subedi, L. Zajickova, V. Bursikova, J. Janca, Surface Modification of Polycarbonate(Bisphenol-A) by Low Pressure RF Plasma, Himalayan Journal of Sciences, Vol 2 (2003).

  18. L. Zajickova, V. Bursikova, D. P. Subedi, K. Veltruska, J. Janca, In Proceedings of the 14th Sympossium on Application of Plasma Processes, Low Tatras (Slovakia) pp. 136- 139 (2003).

  19. D. P. Subedi, D. R. Adhikari, U.M. Joshi, H.N. Poudel, In Proceedings of the Fourth National Conference on Science and Technology (FNCST) held on 23-26 th March 2004 in  Kathmandu.

  20. D. P. Subedi, D.R. Adhikari, U. M. Joshi, H. N. Poudel, B. Niraula, Study of temperatre and concentration dependence of refractive index of liquids by a novel technique, Kathmandu University Journal of Science, Engineering and Technology, Vol II, 1 (2006).

  21. Adhikari, D.R., Subedi D.P., Singh,V.K, theory of phase transition in rare earth chalcogenide compounds  Kathmandu University Journal of Science, Engineering and Technology, Vol II, 1 (2006).

  22. D. P. Subedi,   D. R. Adhikari,   B. Niraula,   H. N. Poudel,   D. K. Madhup,   Surface Modification of Polycarbonate by Low Pressure DC Glow Discharge, Proceeding of the 20th National  Sympossium on Plasma Science and Technology (PLASMA – 2005), Cochin (Kerala) –India. 

  23. Deepak Subedi,   Dinesh Madhup,   Boris Niraula,   Effect of Low Pressure DC Glow Discharge on Wettability of Polycarbonate, Proceeding of the International Workshop on Nanoscience and Technology, Chennai (Tamilnadu) – India.

  24. D. Madhup,   K. Adhikary,   B. Niraula,   D. Subedi Surface Treatment of Polycarbonate on Low Pressure DC Glow Discharge, Annual Proceeding of Nepal Physical Society, Kathmandu Nepal - Vol. 22, No. 1 (Special Issue) 2006, Page - 8

  25. K. Adhikary,   D. Madhup,   R. Khanal,   D. Subedi,   Etching of Polycarbonate by Low Pressure DC Glow Discharge, Annual Proceeding of Nepal Physical Society, Kathmandu, Nepal - Vol. 22, No. 1 (Special Issue) 2006, Page-6

  26. D. P. Subedi,   B. Niraula,   D. K. Madhup and U. M. Joshi,   Significance of Measurement of Time Dependent Contact Angle of Water in Glass and Polycarbonate, Annual Proceeding of Nepal Physical Society, Kathmandu, Nepal - Vol. 22, No. 1 (Special Issue) 2006, Page -  11

  27. D.R. Adhikari and D. P. Subedi, The Theoretical Hamiltonian and Quadrupolar Coefficients of Rare-Earth Phosphates Rpo4 (R= Tb-Tm) Annual Proceeding of Nepal Physical Society, Kathmandu, Nepal - Vol. 22, No. 1 (Special Issue) 2006,Page 4

  28. D.R. Adhikari and D. P. Subedi, Simple Model in Semiconductor to Metal Transition of Rare Earth Chalcogenides Annual Proceeding of Nepal Physical Society, Kathmandu, Nepal - Vol. 22, No. 1 (Special Issue) 2006, Page 6-7.

  29. D. P. Subedi, D.K. Madhup, K. Adhikari, U.M Joshi, Low pressure plasma treatment for the enhancement of wettability of polycarbonate,  Indian Journal of Pure and Applied Physics, Vol 46, pp. 540-544, 2008.

  30. G. Shrestha, P. Freere, S. M. Basnet, W.T. Jewel, D. P. Subedi, Development of a Cold 
    Plasma Generator for Atmospheric Pressure Dielectric Barrier Discharge, IEEE, Region 5 Technical Conference, pp. 432-435, 2007.

  31. D. P. Subedi, D. K. Madhup, A. K. Laghu, U. M Joshi and R. B. Tyata Hydrophilization of low density polyethylene by dielectric barrier discharge
    Journal of Science and Technology in the Tropics , 4, pp 73-77,  (2008)

  32. D. P. Subedi, L. Zajickova, V Bursikova2 and J. Janca, Surface Modification of Polycarbonate by Low Pressure RF Discharge, Proceedings of the International Workshop On Plasma Computations & Applications (IWPCA2008), Department of Physics, University of Malaya.July 14- 15, 2008.   

  33. D. P. Subedi, R. B. Tyata, A. Khadgi and C. S. Wong, Treatment of water by dielectric barrier discharge, Journal of Science and Technology in the Tropics , 5, pp 117-123,  (2009)

  34. D. P. Subedi, R. B. Tyata, A. Shrestha, D. Baral, D.K. Madhup and C. S. Wong, An atmospheric pressure non-thermal plasma jet in nitrogen for surface modification of
    polyethylene, Journal of Science and Technology in the Tropics , 6, pp 49-52,  (2010)

  35. R.B. Tyata, , D. P. Subedi, an investigation of  the effect of electrode Geometry and  frequency of    power supply in the homogeneity of dielectric barrier discharge in air, Kathmandu University Journal Of Science, Engineering And Technology Vol. 6, No. I, March, 2010, Pp 96-101

  36. S.R. Kandel, D.P. Subedi, Electrical Characterization of Atmospheric Pressure Gaseous Discharge, Kathmandu University Journal of Science, Engineering and Technology, Vol I, No.V, pp 81-85,  (2008).

  37. R. B. Tyata, D. P. Subedi, D. K. Madhup, U.M. Joshi, Production and Electrical Characterization of Dielectric Barrier  Discharge, J.  of Nepal Phys. Soc. Vol 24, No. I, pp 22-25, (2008)

  38. R. B. Tyata, D. P. Subedi, U.M. Joshi, D. K. Madhup, Electrical and Optical Characterization of Dielectric Barrier  Discharge Produced in Atmospheric Air, Kathmandu University Journal of Science, Engineering and Technology, Vol 5, No.1, pp 56-61,  (2009).

  39. D.K. Madhup, D. P. Subedi, S. P. Chimouriya, Optical Characterization and thickness estimation of    Al3+ ion doped ZnO nano-films from transmittance spectra, Journal of Optoelectronics and Advanced  Materials, Vol 12, No. 5, 2010 pp. 1035-1044

  40. A. Huczko, A. Dabrowska, D.K Madhup, D.P Subedi, S.P. Chimouriya, Al-doped ZnO nanofilms: synthesis and characterization, Phys. Status Solidi B 247, Nos. 11–12, 3035–3038 (2010)

  41. D. K. Madhup, D. P. Subedi, M. Soszynski, Optical Study of Al3+ Ion Doped ZnO     Nanofilms, Zakone Poland, 28 June- 2 July, 2010.   

  42. D. P. Subedi, R.B. Tyata, U.M. Joshi, D.K. Madhup, D. Baral Investigation on the Effect of Inter-Electrode Gap of a Dielectric Barrier Discharge on the Uniformity of Treatment of Polymer, Journal Of Nepal Physical Society Vol. 26, No. 1 April 2010. Proceedings of the 4th International Conference on the Frontiers of Plasma Physics and Technology April 6 - 10, 2009

  43. Deepak Prasad Subedi ,  Dinesh Kumar Madhup, Ashish Sharma , Ujjwal Man Joshi , Andrzej Huczko, Study of the Wettability of ZnO Nanofilms, Int. Nano Lett., Vol. 1, No. 2, July 2011, pp. 117-122.

  
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Awards

  1. Mahendra Bidhya Bhusan 'Ka' 2059.

  2. His Royal Highness Crown Prince Youth Science and Technology Award 2060" by Royal Nepal Academy of Science and Technology (RONAST) on the occasion of the National Education Day.

  3. Education Award 2062, Awarded by the Ministry of Education and Culture.

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