Rajdeep Singh Rawat

 Research Initiatives

 

 

Graduate Students

 

  

Plasma Radiation Source Lab

Current Research Projects

Graduate Students

Academic Exercises and Final Year Projects

Various School Attachments

Publication List

Currently there are eight graduate students working with me:

  1. Dr. Tao Zhang: PhD student (Jan 2004 - Jan 2007) Completed - Currently research Fellow at NTU

  2. Dr Lin Jiaji: PhD student (July 2005 - July 2008) - Completed - Currently working at SERIES, Singapore.

  3. Mr Shahid Mahmood: PhD student (August 2005 to August 2009) - Completed - Thesis under review.

  4. Ms Shumaila Karamat: PhD student (Jan 2007 onwards)

  5. Mr. Rishi Verma: PhD student (Feb 2007 to Jan 2010) - Completed - Thesis under review. Currently working as Scientist D at Institute of Plasma Research, Ahemdabad, Gujrat, India.

  6. Dr Mohammad Al-Mohammadi: Co-supervised with Prof S. Sobhanian: PhD degree obtained from University of Tebriz, Iran. Currently working as Assistant Professor in University of Tabriz, Tabriz, Iran.

  7. Ms Zhenying Pan: PhD student (July 2007 onward)

  8. Mr Gratian Macharaga: PhD student (Sep 2007 onwards)

  9. Mr Pan De: Master's student (Jan 2008 to Jan 2010) - Completed - thesis under review

  10. Ms Tan Li Ching: Master's student (July 2008 to Jan 2010) - Completed - thesis under reveiw

  11. Mr. Usman Illyas; PhD Student (Jan 2010 onwards) - Just started

 

1. Dr. Tao Zhang: Completed his PhD degree work (Jan 2004 to Jan 2007) on “Dense Plasma Focus for thin film deposition”. (I was Main supervisor and Co-supervisor was A/P Paul Lee).  Publications of Mr. Tao Zhang are listed below:

Journal papers

1.   R.S. Rawat, T. Zhang, C.B.L. Phua, J.X.Y. Then, K.A. Chandra, X. Lin, A. Patran and P. Lee, Effect of Insulator Sleeve Length on Soft X-ray Emission from Neon filled Plasma Focus Device, Plasma Sources Sciences and Technology 13, 569 (2004).

2.   J.M. Koh, R.S. Rawat, A. Patran, T. Zhang, D. Wong, S.V. Springham, T.L. Tan, S. Lee and P. Lee Optimization of High Pressure Operation Regime for Enhanced Neutron Yield in a Plasma Focus Device, Plasma Sources Sciences and Technology 14, 12 (2005)

3.   T. Zhang, X. Lin, K.A. Chandra, T.L. Tan, S.V. Springham, A. Patran, P. Lee, S. Lee and R.S. Rawat, Current sheath curvature correlation with the neon soft X-ray emission from plasma focus device, Plasma Sources Science and Technology 14, 368 (2005).

4.   R.S. Rawat, T. Zhang, G. J. Lim, W.H. Tan, S. J. Ng, A. Patran, S.M. Hassan, S. V. Springham, T. L. Tan, M. Zakaullah, P. Lee and S. Lee, Soft x-ray imaging using a neon filled Plasma focus x-ray source, Journal of Fusion Energy 23(1), 49 (2005).

5.   S.M. Hassan, T. Zhang, D. Wong, H.M. Saw, M.W.C. Yap Wan, K.L Long, Y.R.I Lim, J.H Low, R.S. Rawat, A. Patran, S.V. Springham, T.L. Tan and P. Lee, Spatially and spectrally resolved hard x-ray camera for dense plasma focus diagnosis, JURNAL FIZIK MALAYSIA, 26 153 (2005).

6.   S.M. Hassan, A. Patran, T. Zhang, R.S. Rawat, S.V. Springham, T.L. Tan, S. Mahmood, J. Lin, Z. L. Tsakadze, W. Wang, and P. Lee, Development of miniature plasma focus for EUV lithography, Al-Azhar Bull. Sci. 16 81 (2005).

7.   S.M. Hassan, T. Zhang, A. Patran, R.S. Rawat, L. Wu, Y. Liu, S. Mahmood, J. Lin, S.V. Springham, T.L. Tan and P. Lee, Cost-effective plasma disgnostic techniques for miniature plasma focus, Al-Azhar Bull. Sci. 16 87 (2005).

8.   R. S. Rawat, T. Zhang, K. S. Thomas Gan, P. Lee and R. V. Ramanujan, Nano-structured Fe thin film deposition using plasma focus device, Applied Surface Science 253 1611 (2006).

9.   R.S. Rawat, T. Zhang, P. Lee, A. Patran, S.M. Hassan, D. Wong, S. V. Springham, T. L. Tan, and S. Lee, Applications of dense plasma focus device, Malaysian Journal of Physics 26, 17 (2006).

10. T. Zhang, S.V. Springham, V.A. Gribkov, T.L.A. Tan, R.S. Rawat, J.J. Lin, S.M. Hassan, S. Mahmood, P. Lee, and S. Lee, Drive parameter as a design consideration for Mather and Filippov types of plasma focus, IEEE Transaction in Plasma Science 34 2356 (2006).

11. T. Zhang, K. S. Thomas Gan, P. Lee, R. V. Ramanujan and R. S. Rawat, Nano-structured FeCo thin film deposition using plasma focus device, Journal of Physics D: Applied Physics, 39 2212 (2006).

12. S.M. Hassan, T. Zhang, A. Patran, R.S. Rawat, S.V. Springham, T.L. Tan, D. Wong, W. Wang, S. Lee, V. A.Gribkov, S. R. Mohanty and P. Lee, Pinching evidences in miniature plasma focus with fast pseudospark switch, Plasma Sources Sci. Technol. 15 614 (2006).

13. S. Mahmood, S.V. Springham, T. Zhang, R.S. Rawat,T.L. Tan, M. Krishnan, F.N. Beg, S. Lee, H. Schmidt, P. Lee, A novel fast-neutron activation counter for high repetition rate measurements, Review of scientific instruments, 77 10 (2006).

14. D. Wong, P. Lee, T. Zhang, A. Patran, T. L. Tan, R. S. Rawat and S. Lee, An improved radiative plasma focus model calibrated for neon-filled NX2 using a tapered anode, Plasma Sources Sciences and Technology 16 116 (2007).

15. T. Zhang, J.J. Lin, A. Patran, D. Wong, S. M. Hassan, S. Mahmmod, T. White, T. L. Tan, S. V. springham, S. Lee, P. Lee and R. S. Rawat, Optimization of plasma focus device as electron beam source for thin film deposition, In press, Plasma Sources Sci. Technol. (2007).

16. J.J. Lin, T. Zhang, P. Lee, S.V. Springham, T.L. Tan, R.S. Rawat*, T. White, R. Ramanujan, and J. Guo, “Magnetic trapping induced low temperature phase transition from fcc to fct in pulsed laser deposition of FePt:Al2O3 nanocomposite thin films”, Appl. Phys. Lett. 91, 063120 (2007).

17.  J.J. Lin, S. Mahmood, T. Zhang, S.M. Hassan, T. White, R.V. Ramanujan, P. Lee, and R.S. Rawat*, “Synthesis of Fe3O4 nanostructures by backward plume deposition and influence of ambient gas pressure on their morphology”, J. Phys. D: Appl. Phys. 40, 2548 (2007).

18. F. N. Beg, T. Zhang, D. Fedin, B. Beagen, E. Chua, J. Y. Lee, R. S. Rawat and P. Lee, Study of energy transfer in table-top X-pinch driven by a water line, Physica Scripta 76 (2), 134-138 (2007)

19. P.L Ong, S. Mahmood, T. Zhang, J.J. Lin, R.V. Ramanujan, P. Lee, and R.S. Rawat, Synthesis of Cobalt ferrite Nanoparticles by Pulsed Laser Deposition in a Diffusion Cloud Chamber, Applied Surface Science 254 (7), 1909-1914, (2008)

20. Z. Y. Pan, R. S. Rawat, J. J. Lin, T. Zhang, T. L. Tan, P. Lee and S. V. Springham, Nanostructuring of FePt thin films by plasma focus device: Pulsed ion irradiation dependent phase transition and magnetic properties, Applied Physics A 96(4), 1027 (2009).

21. Z.Y. Pan, J.J. Lin, T. Zhang, S. Karamat, R.Verma, M.V. Roshan, S. Mahmood, P.Lee, S.V.Springham, T.L.Tan and R.S. Rawat, Lower phase transition temperature and two order of coercivity enhancement in FePt films by Plasma Focus Exposure, Thin Solid Films 517, 2753-2757 (2009)

Conference papers

1.   T. Zhang, S. R. Mohanty, S. M. Hassan, A. Patran, S. V. Springham, T. L. Tan, P. Lee, s. Lee and R.S. Rawat, Optical emission spectroscopy to study FeCo thin film deposition using plasma focus, Proceedings in Dense Z-Pinches Conferences, Oxford, July 2005, pp. 231.

2.   T. Zhang, A. Patran, D. Wong, S. M. Hassan, S. V. Springham, T. L. Tan, P. Lee, s. Lee and R.S. Rawat, Electron beam emission characteristics from plasma focus devices, Proceedings in Dense Z-Pinches Conferences, Oxford, July 2005, pp. 235.

3.   D. Wong, T. L. Tan, A. Patran, S. M. Hassan, T. Zhang, S. V. Springham, S. Lee, R. S. Rawat, and P. Lee,  Repetitive Operation of A Dense Plasma Soft X-ray Source for Micromachining, Proceedings in Dense Z-Pinches Conferences, Oxford, July 2005, pp. 227.

4.   T. Zhang, S. Mahmmod, J. Lin, S.M. Hassan, T.L. Tan, S. V. Springham, P. Lee, and R.S. Rawat, Nano-phase network and nano-composite structure of FeCo synthesized using plasma focus, Proceeding of 33rd EPS conference on plasma, Rome, July 2006.

5.   S. Mahmood, S.V. Springham, T. Zhang, R.S. Rawat,T.L. Tan, M. Krishnan, F.N. Beg, S. Lee, H. Schmidt, P. Lee, Stability of high repetition rate plasma focus neutron source, Proceeding of 33rd EPS conference on plasma, Rome, July 2006.

Under preparation

1.   T. Zhang, F. N. Beg, D. Haas, B. Beagen, E. Chua, J. Y. Lee, R. S. Rawat, and P. Lee, Current and Energy Model of Tabletop X-pinch Driven by Water Line, submitted to Physica Scripta. (2007).

2.   T. Zhang, S.R. Mohanty, S.M. Hassan, S. Mahmmod, J.J. Lin, T.L. Tan, S.V. Springham, P. Lee, S. Lee and R.S. Rawat,  Time-resolved plasma parameters determination in post collapse phase of plasma focus device using optical spectroscopy, submitted to Journal of Physics D: Applied physics (2007).

3.   T. Zhang, J.J. Lin, P. Lee, R. V. Ramanujan, and R. S. Rawat, A novel fast deposition methods of nano-structured FeCo thin films using repetitive plasma focus device, submitted to Nanotechnology (2007).

4.  T. Zhang, J.J. Lin, P. Lee, R. V. Ramanujan, T. White, and R. S. Rawat, Crystalline characteristics of nano-structured FeCo thin films deposited using repetitive plasma focus device, in process (2007).

 

2. Dr. Lin Jiaji: completed his PhD degree work (July 2005 to July 2008) on "Nanostructured Magnetic Material Synthesized by Pulsed Laser Deposition". [I was Main Supervisor and Dr Paul Lee is co-supervisor]. Publication list of Mr Lin Jiaji is:

1.   R.S. Rawat and J.J. Lin, Synthesis and Characterization of Magnetic Nanoparticles, a chapter in book entitled “Nanoparticles: Synthesis, Characterization and Applications” Editors: Ramesh Chaughule and R.V.Ramanujan, to be published by American Scientific Publishers, USA (2009).

2.  Z.Y. Pan, R.S. Rawat, R. Verma, J.J. Lin, H. Yan, R.V. Ramanujan, P. Lee, S.V. Springham, T.L. Tan, Miniature plasma focus as a novel device for synthesis of soft magnetic FeCo thin films,  Physics Letters A 374, 1043-1047 (2010)

3.   S. Mahmood, R. S. Rawat, M. Zakaullah, J. J. Lin, S. V. Springham, T. L. Tan, and P. Lee, Investigation of plume expansion dynamics and estimation of ablation parameters of laser ablated Fe Plasma, Journal of Physics D: Applied Physics 42, 135504 (2009)

4.   Z. Y. Pan, R. S. Rawat, M.V. Roshan, J. J. Lin, R. Verma,  P. Lee, S. V. Springham and T. L. Tan, Nanostructured magnetic CoPt thin films synthesis using dense plasma focus device operating at sub-kilojoule range, Journal of Physics D: Applied Physics 42(17), 175001 (2009)

5.   J.J. Lin, L.S. Loh, P. Lee, S.V. Springham, T.L. Tan, R.S. Rawat, Effects of target-substrate geometry and ambient gas pressure on FePt nanoparticles synthesized by pulsed laser deposition, Applied Surface Science 255 (8), 4372-4377 (2009)

6.   Z. Y. Pan, R. S. Rawat, J. J. Lin, T. Zhang, T. L. Tan, P. Lee and S. V. Springham, Nanostructuring of FePt thin films by plasma focus device: Pulsed ion irradiation dependent phase transition and magnetic properties, Applied Physics A 96(4), 1027 (2009).

7.  Z.Y. Pan, J.J. Lin, T. Zhang, S. Karamat, R.Verma, M.V. Roshan, S. Mahmood, P.Lee, S.V.Springham, T.L.Tan and R.S. Rawat, Lower phase transition temperature and two order of coercivity enhancement in FePt films by Plasma Focus Exposure, Thin Solid Films 517, 2753-2757 (2009)

8.   J.J. Lin, Z.Y. Pan, S. Karamat, S. Mahmood, P. Lee, T.L. Tan, S.V. Springham, and R.S. Rawat*, ‘FePt:Al2O3 nanocomposite thin films synthesized by magnetic trapping assisted pulsed laser deposition with reduced intergranular exchange coupling’, J. Phys. D: Appl. Phys. 41, 095001 (2008)

9.   J.J. Lin, M.V. Roshan, Z.Y. Pan, R. Verma, P. Lee, S.V. Springham, T.L. Tan, and R.S. Rawat*, “Single shot plasma focus ion irradiation as novel fast technique for nanoparticle formation and lowering of phase transition temperature of FePt thin film”, submitted to J. Phys. D: Appl. Phys., (2008)

10.   P.L. Ong, S. Mahmood, T. Zhang, J.J. Lin, R.V. Ramanujan, P. Lee, and R.S. Rawat*, “Synthesis of FeCo Nanoparticles by pulsed laser deposition in a diffusion cloud chamber”, Appl. Surf. Sci. 254, 1909 (2008)

11.  M. V. Roshan, R. S. Rawat, A. R. Babazadeh, M. Emami, S. M. Sadat Kiai, R. Verma, J.J. Lin and S. V. Springham, High Energy Ions and Energetic Plasma Irradiation effects on Aluminum in a Filippov-type plasma focus, In Press, Applied Surface Science (2008)

12. S. Karamat, S. Mahmood, J. J. Lin, Z.Y. Pan, P. Lee, T.L. Tan, S.V. Springham, R. Ramanujan, and R.S. Rawat, Structural, optical and magnetic properties of (ZnO)1-x(MnO2)x thin films deposited at room temperature, Applied Surface Science 254 (22), 7285-7289 (2008)

13.   J.J. Lin, T. Zhang, P. Lee, S.V. Springham, T.L. Tan, R.S. Rawat*, T. White, R. Ramanujan, and J. Guo, “Magnetic trapping induced low temperature phase transition from fcc to fct in pulsed laser deposition of FePt:Al2O3 nanocomposite thin films”, Appl. Phys. Lett. 91, 063120 (2007)

14.   J.J. Lin, S. Mahmood, T.L. Tan, S.V. Springham, P. Lee, and R.S. Rawat*, “Backward plume deposition as a novel technique for high deposition rate Fe nanoclusters synthesis”, Nanotechnology 18, 115617 (2007)

15.   J.J. Lin, S. Mahmood, T. Zhang, S.M. Hassan, T. White, R.V. Ramanujan, P. Lee, and R.S. Rawat*, “Synthesis of Fe3O4 nanostructures by backward plume deposition and influence of ambient gas pressure on their morphology”, J. Phys. D: Appl. Phys. 40, 2548 (2007)

16.  T. Zhang, J. Lin, A. Patran, D. Wong, S.M. Hassan, S. Mahmood, T. White, T.L. Tan, S.V. Springham, S. Lee, P. Lee, and R.S. Rawat*, “Optimization of a plasma focus device as an electron beam source for thin film deposition”, Plasma Sources Sci. Technol. 16, 250 (2007)

17.  T. Zhang, R.S. Rawat, S.M. Hassan, J.J. Lin, S. Mahmood, T.L. Tan, S.V. Springham, V.A. Gribkov, P.Lee, and S. Lee, “Drive parameter as a design consideration for Mather and Filippov types of plasma focus”, IEEE Trans. Plas. Sci. 34, 2356 (2006)

Conference paper

1. J. Lin, S.F. Lim, S. Mahmood, T.L. Tan, S.V. Springham, P. Lee, and R.S. Rawat*, “Synthesis and characterization of FeCo nanoparticle colloid by pulsed laser ablation in distilled water”, Proceeding of 33rd EPS Conference on Plasma Physics, Rome, Italy, July (2006)

2. T. Zhang, S. Mahmood, J. Lin, S.M. Hassan, T.L. Tan, S.V. Springham, P. Lee, and R.S. Rawat*, “Nano-phase network and nano-composite structure of FeCo synthesized using plasma focus”, Proceeding of 33rd EPS Conference on Plasma Physics, Rome, Italy, July (2006)

 

3. Mr. Shahid Mahmood: PhD student who has completed and submitted his PhD thesis (Aug 2005 to Aug 2009) on "Study of Laser Ablation Plasma using Time Resolved Imaging and Modeling". Dr Paul Lee is the main supervisor and I am the co-supervisor. He is waiting for his PhD defense. Publication list of Mr Shahid Mahmood is:

Journal Papers

1.   S. Mahmood, R. S. Rawat, S. V. Springham, T. L. Tan, and P. Lee, Material ablation and plasma plume expansion study from Fe and Graphite targets in Ar gas atmosphere, Under favorable review, Applied Physics A Materials Science and Processing (2010).

2.   S. Mahmood, R. S. Rawat, S. V. Springham, T. L. Tan, and P. Lee, Plasma dynamics and determination of ablation parameters using the near-target magnified imaging during pulsed laser ablation, Under favorable review, Applied Physics A Materials Science and Processing (2010).

3.  S. Mahmood, R. S. Rawat, M. Zakaullah, J. J. Lin, S. V. Springham, T. L. Tan, and P. Lee, Investigation of plume expansion dynamics and estimation of ablation parameters of laser ablated Fe Plasma, Journal of Physics D: Applied Physics 42, 135504 (2009)

4.  Z.Y. Pan, J.J. Lin, T. Zhang, S. Karamat, R.Verma, M.V. Roshan, S. Mahmood, P.Lee, S.V.Springham, T.L.Tan and R.S. Rawat, Lower phase transition temperature and two order of coercivity enhancement in FePt films by Plasma Focus Exposure, Thin Solid Films 517, 2753-2757 (2009)

5.  S. Karamat, S. Mahmood, J. J. Lin, Z.Y. Pan, P. Lee, T.L. Tan, S.V. Springham, R. Ramanujan, and R.S. Rawat, Structural, optical and magnetic properties of (ZnO)1-x(MnO2)x thin films deposited at room temperature, Applied Surface Science 254 (22), 7285-7289 (2008)

6.  S. Mahmood, S.V. Springham, T. Zhang, R.S. Rawat, T.L. Tan, M. Krishnan, F.N. Beg, H. Schmidt, S. Lee and P. Lee, A novel fast neutron activation counter for high repetition rate measurements, Review of Scientific Instruments 77, 10 (2006).

7.   J.J. Lin, Z.Y. Pan, S. Karamat, S. Mahmood, P. Lee, T.L. Tan, S.V. Springham, and R.S. Rawat*, ‘FePt:Al2O3 nanocomposite thin films synthesized by magnetic trapping assisted pulsed laser deposition with reduced intergranular exchange coupling’, J. Phys. D: Appl. Phys. 41, 095001 (2008)

8.  P.L. Ong, S. Mahmood, T. Zhang, J.J. Lin, R.V. Ramanujan, P. Lee, and R.S. Rawat*, “Synthesis of FeCo Nanoparticles by pulsed laser deposition in a diffusion cloud chamber”, Appl. Surf. Sci. 254, 1909 (2008)

9.   J.J. Lin, S. Mahmood, T. Zhang, S.M. Hassan, T. White, R.V. Ramanujan, P. Lee, and R.S. Rawat*, “Synthesis of Fe3O4 nanostructures by backward plume deposition and influence of ambient gas pressure on their morphology”, J. Phys. D: Appl. Phys. 40, 2548 (2007)

10. J.J. Lin, S. Mahmood, T.L. Tan, S.V. Springham, P. Lee and R.S. Rawat, Backward Laser Induced Plume Deposition as a Novel Technique for High Deposition Rate Fe Nanocluster Synthesis, Nanotechnology 18, 115617 (2007).

11. T. Zhang, S.V. Springham, V.A. Gribkov, T.L.A. Tan, R.S. Rawat, J.J. Lin, S.M. Hassan, S. Mahmood, P. Lee, and S. Lee, Drive parameter as a design consideration for Mather and Filippov types of plasma focus, IEEE Transaction in Plasma Science 34 2356 (2006).

Conference Papers

1.    S. Mahmood, L. Jiaji, S.V. Springham, T.L. Tan, R.S. Rawat, and P. Lee, “Investigation of laser produced Fe plasma plume dynamics using time resolved imaging and snow plow model” Proc. of SPIE Vol. 7155, 715523-10 (2008).

2.    S. M. Hassan, R.S. Rawat, T. Zhang, S. Mahmood, J.J. Lin, F. Malik, S. V. Springham, T.L. Tan and P. Lee,”Shadowgraphic and EUV emission studies of low energy miniature plasma focus device”, 2007 IEEE Pulsed Power and Plasma Science Conference, Albuquerque, New Mexico, US, June 17-22 (2007).

3.    F. Malik, H. Schmidt, S.M. Hassan, R.S. Rawat, T. Zhang, S. Mahmood, J.J. Lin, T.L. Tan, P. Lee and S.V. Springham, “Effect of anode shapes on neutron emission from a repetitive plasma focus device”, 2007 IEEE Pulsed Power and Plasma Science Conference, Albuquerque, New Mexico, US, June 17-22 (2007).

4.    J.J. Lin, S.F. Lim, S. Mahmood, T.L. Tan, S.V. Springham, P. Lee and R.S. Rawat, “Synthesis of FeCo nanoparticle colloid by pulsed laser ablation”, Proceedings of 33rd European Physics Society Conference on Controlled Fusion and Plasma Physic, Rome, Italy, June 19-23, 2006, Vol 30I, P-2.087 (2006).

5.    T. Zhang, S. Mahmood, J.J. Lin, S.M. Hassan, T.L. Tan, S.V. Springham, P. Lee and R.S. Rawat, “Nano-phase network and nano-composite structure of FeCo synthesized using plasma focus”, Proceedings of 33rd European Physics Society Conference on Controlled Fusion and Plasma Physic, Rome, Italy, June 19-23, 2006, Vol 30I, P-2.065 (2006).

6.    S. Mahmood, S.V. Springham, T. Zhang, R.S. Rawat, T.L. Tan, M. Krishnan, F. Beg, S. Lee, H. Schmidt, and P. Lee, “Stability of high repetition rate plasma focus neutron source”, Proceedings of 33rd European Physics Society Conference on Controlled Fusion and Plasma Physic, Rome, Italy, June 19-23, 2006, Vol 30I, P-4.193 (2006).

7.    S.M. Hassan, L. Wu, M.Y. Gu, T. Zhang, S. Mahmood, J.J. Lin, R.S. Rawat, S.V. Springham, T.L. Tan and P. Lee, “Current Sheath Structure in Miniature Plasma Focus”, Proc. of 14th Symposium on High Current Electronics, Tomsk, Russia, 198 (2006).

8.    S.M. Hassan, T. Zhang, A. Patran, R.S. Rawat, L. Wu, Y. Liu, S. Mahmood, J.J. Lin, S.V. Springham, T.L. Tan and P. Lee, “Cost-effective plasma diagnostic techniques for miniature plasma focus”, Paper presented at Workshop & Training School in Cheap Plasma Technology Applications in Industry and Environment, Cairo, published in Al-Azhar Bulletin of Science 16 (2), 87 (2005).

9.    S.M. Hassan, A. Patran, T. Zhang, R.S. Rawat, S.V. Springham, T.L. Tan, S. Mahmood, J. Lin, Z. L. Tsakadze, W. Wang and P. Lee, “Development of Miniature Plasma Focus for EUV Lithography”, Paper presented at Workshop & Training School in Cheap Plasma Technology Applications in Industry and Environment, Cairo, published in Al-Azhar Bulletin of Science 16 (2), 81 (2005).

 

4. Ms Shumaila Karamat: PhD student working (Jan 2007 onwards) on "Magnetic nanostructured material using pulsed laser ablation". (I am main supervisor and Co-supervisor is A/P Paul Lee). Publication list of Ms Shumaila Karamat is:

Journal Papers

1.   S. Karamat, R.S. Rawat, P. Lee, T.L. Tan, R.V. Ramanujan and W. Zhou,  Structural, compositional and magnetic characterization of bulk V2O5 doped ZnO system, Applied Surface Science 256, 2309-2314, (2010).

2.  S. Karamat, C. Ke, T. L. Tan, W. Zhou, P. Lee and R.S. Rawat, Investigation of Impurity phase formation for (ZnO)1-x(TMO)x Bulk Samples Formed by Ball Milling, Applied Surface Science 255 (9), 4814-4820 (2009).

3.   Z.Y. Pan, J.J. Lin, T. Zhang, S. Karamat, R.Verma, M.V. Roshan, S. Mahmood, P.Lee, S.V.Springham, T.L.Tan and R.S. Rawat, Lower phase transition temperature and two order of coercivity enhancement in FePt films by Plasma Focus Exposure, Thin Solid Films 517, 2753-2757 (2009).

4.   S. Karamat, S. Mahmood, J. J. Lin, Z.Y. Pan, P. Lee, T.L. Tan, S.V. Springham, R. Ramanujan, and R.S. Rawat, Structural, optical and magnetic properties of (ZnO)1-x(MnO2)x thin films deposited at room temperature, Applied Surface Science 254 (22), 7285-7289 (2008).

5.   J.J. Lin, Z.Y. Pan, S. Karamat, S. Mahmood, P. Lee, T.L. Tan, S.V. Springham, and R.S. Rawat*, ‘FePt:Al2O3 nanocomposite thin films synthesized by magnetic trapping assisted pulsed laser deposition with reduced intergranular exchange coupling’, J. Phys. D: Appl. Phys. 41, 095001 (2008).

Conference Papers

1.    S. Karamat, R. S. Rawat, M. Ghaffari, P. Lee and T.L. Tan, Electronic, structural, optical and magnetic characterization of bulk (ZnO)1−x(MnO2)x system and their PLD synthesized thin films at room temperature, Proceedings of ICMM (2009)

2.    S. Karamat, R. S. Rawat, P. Lee, T. L. Tan, Ferromagnetic Cu and Al doped ZnO Thin Films by PLD, Proceedings of ICMM (2009).

3.   E. Ghareshabani, R.S, Rawat, S. Sobhanian, R. Verma, S. Karamat, Z. Y. Pan, Synthesis of multiphase Ti(C,N) films by UNU/ICTP plasma focus device, Proceedings of International Workshop on Plasma Diagnostics and Applications, NIE/NTU, Singapore, July 2-3, 2009

 

5. Mr. Rishi Verma: PhD student who has completed and submitted his PhD thesis (Jan 2007 to Jan 2010) on "Construction and Optimization of Low Energy (< 240J) Miniature Repetitive Plasma Focus Neutron Source". (I am main supervisor and Co-supervisor is A/P Paul Lee). He is waiting for his PhD defense and has joined his . His publication list is:

Journal Paper

1.    Rishi Verma, R. S. Rawat, P. Lee, M. Krishnan, S. V. Springham and T. L. Tan, Miniature plasma focus device as a compact hard X-Ray source for fast radiography applications, IEEE Transactions on Plasma Science (Accepted - January 2010)

2.    Rishi Verma, R. S. Rawat, P. Lee, M. Krishnan, S. V. Springham and T. L. Tan, Realization of enhancement in time averaged neutron yield by using repetitive miniature plasma focus device as pulsed neutron source, J. Phys. D: Appl. Phys., 42 235203 (2009).

3.    Rishi Verma, R. S. Rawat, P. Lee, S. V. Springham, T. L. Tan and M. Krishnan, Experimental study of neutron emission characteristics in a compact sub-kilojoule range miniature plasma focus device, Plasma Physics and Controlled Fusion, 51 075008 (2009).

4.    Rishi Verma, R. S. Rawat, P. Lee, S. V. Springham, T. L. Tan and M. Krishnan, Effect of cathode structure on neutron yield performance of a miniature plasma focus device, Physics letters A,   373 2568 (2009).

5.    R. Verma, R. S. Rawat, P. Lee, S. V. Springham, T. L. Tan, M. V. Roshan and M. Krishnan, A fast miniature plasma focus based compact and portable nanosecond pulsed neutron source, Journal of Plasma and Fusion Research Series, 8 1283 (2009). 

6.    Rishi Verma, P. Lee, S. Lee, S. V. Springham, T. L. Tan, R. S. Rawat and M. Krishnan, Order of magnitude enhancement in neutron emission with Deuterium-Krypton admixture operation in miniature plasma focus device, Applied Physics Letters, 93(10) 101501 (2008).

7.    Rishi Verma, M. V. Roshan, F. Malik, P. Lee, S. Lee, S. V. Springham, T. L. Tan, M. Krishnan and R. S. Rawat, Compact sub-kilojoule range fast miniature plasma focus as portable neutron source, Plasma Sources Science and Technology, 17(4) 045020 (2008).

8.    Rishi Verma, P. Lee, S. V. Springham, T. L. Tan, M. Krishnan and R. S. Rawat, Order of magnitude enhancement in X-ray yield at low pressure Deuterium-krypton admixture operation in miniature plasma focus device,  Applied Physics Letters 92(1) 011506 (2008). 

9.    Rishi Verma, P. Lee, S. V. Springham, T. L. Tan, and R. S. Rawat , High performance thyratron driver with low jitter, Review of Scientific Instruments, 78(8) 086107 (2007).

10.    M. A. Mohammadi, R. Verma, S. Sobhanian, C.S. Wong, S. Lee, S.V. Springham, T. L. Tan, P. Lee and R.S. Rawat, Neon soft X-ray emission studies from UNU-ICTP plasma focus operated with longer than optimal anode length, Plasma Sources Science and Technology, 16(4) 785 (2007).

11.  Z. Y. Pan, R. S. Rawat, R. Verma, J. J. Lin, H. Yan, R.V. Ramanujan, P. Lee, S. V. Springham, T. L. Tan, Miniature Plasma Focus as a Novel Device for Synthesis of Soft Magnetic FeCo Thin Films, Phys. Lett. A, 374 1043 (2010).

12.  Z. Y. Pan, R. S. Rawat, J. J. Lin, R. Verma, M. V. Roshan, P. Lee, S. V. Springham and T. L. Tan, Nanostructured magnetic CoPt thin films synthesis using dense plasma focus device operating at sub-kilojoule range, J. Phys. D: Appl. Phys. 42 175001 (2009).

13.   Z. Y. Pan, R. S. Rawat, J. J. Lin, R. Verma, M. V. Roshan, P. Lee, S. V. Springham and T. L. Tan, Magnetic CoPt Nanoparticles Deposition using Plasma Focus Device, Journal of Plasma and Fusion Research Series 8, 504 (2009).

14.  M. V. Roshan, R. S. Rawat, A. Talebitaher, R. Verma, P. Lee, S. V. Springham, High Energy Deuterons Emission in NX2 Plasma Focus, Journal of Plasma and Fusion Research Series, 8 1273 (2009).

15.  J. J. Lin, M. V. Roshan, Z. Y. Pan, R.Verma, P. Lee, S. V. Springham, T. L. Tan and R. S. Rawat, FePt nanoparticle formation with lower phase transition temperature by single shot plasma focus ion irradiation, Journal of Physics D: Applied Physics, 41(13) 135213 (2008).

16.   M. V. Roshan, R. S. Rawat, A. R. Babazadeh, M. Emami, S. M. Sadat Kiai, R. Verma, J. J. Lin, A. R. Talebitaher, P. Lee, S. V. Springham, High energy ions and energetic plasma irradiation effects on aluminum in a Filippov-type plasma focus, Applied Surface Science, 255(5) 2461 (2008).

17.   A. R. Talebitaher, M. V. Roshan R Verma, , P. Lee, R. S. Rawat  and S. V. Springham, Soft x-ray emission investigation in plasma focus device (NX-2) with neon filling gas, Iranian Physical Journal, 2 38 (2008).

Conference Papers

1.    Rishi Verma, R. S. Rawat, P. Lee, S. V. Springham, T. L. Tan and M. Krishnan, Miniature plasma focus device based compact and repetitive pulsed neutron sources: Design, technology, performance and applications, Inaugural IPS March Meeting, Singapore, 6-7 March, 2009.

2.    Rishi Verma, R. S. Rawat, P. Lee, M. Krishnan, Z. Y. Pan, E. Ghareshabani, M. V. Roshan, A. R. Talebitaher, S. V. Springham and T. L. Tan,   Sub-kilojoule range miniature plasma focus devices as multiple radiation source, International Workshop on Plasma Diagnostics and Applications, Singapore,2-3 July, 2009.

3.    Rishi Verma, R. S. Rawat, P. Lee, M. Krishnan, S. V. Springham and T. L. Tan, Electrical diagnostics for pulsed power, International Workshop on Plasma Diagnostics and Applications, Singapore, 2-3 July, 2009.

4.    Rishi Verma, Z. Y. Pan, E. Ghareshabani, P. Lee, S. V. Springham, T. L. Tan, M. Krishnan and R. S. Rawat, Miniature Plasma Focus Devices: Development, Scope and Applications, International Workshop on Plasma Diagnostics and Applications, Singapore, 2-3 July, 2009.

5.    Rishi Verma, M. V. Roshan, P. Lee, S. V. Springham, T. L. Tan, M. Krishnan and R. S. Rawat, A fast miniature plasma focus based compact and portable nanosecond pulsed neutron source, International Congress on Plasma Physics, Fukuoka, Japan, 8-12 September, 2008.

6.    Rishi Verma, P. Lee, S. V. Springham, T. L. Tan, M. Krishnan and R. S. Rawat, Development of Miniature Plasma Focus as Portable Neutron Source, International Workshop on Plasma Computations and Applications, Kualalumpur, Malaysia, 14-15 July,  2008.

7.    Rishi Verma, P. Lee, S. V. Springham, T. L. Tan, M. Krishnan and R. S. Rawat, Development of Low Jitter Triggerable Sparkgap Switch for High Speed Applications, 10th  International Conference on Gas Discharge Plasmas and Their Technological Applications, Tomsk, Russia, 17-20 September, 2007.

8.    Anurag Shyam and Rishi Verma, Pulsed Neutrons and Microwaves from Plasma Devices, International Workshop on Plasma Diagnostics and Applications, Singapore, 2-3 July, 2009.

9.    L. C. Tan, R. Verma, R. S. Rawat, S. V. Springham, P. Lee and S. Lee, Modelling of Pure deuterium and deuterium-krypton admixture operated in miniature plasma focus device, International Workshop on Plasma Diagnostics and Applications, Singapore, 2-3 July, 2009.

10.  L. S. Loh, R. S. Rawat and R. Verma, Automating Lee’s Plasma Focus Model, International Workshop on Plasma Diagnostics and Applications, Singapore, 2-3 July, 2009.

11.  T. L. Tan, R. Verma, R. S. Rawat, P. Lee, M. Krishnan, S. V. Springham and D. Wong, Lithographic studies of chemically-amplified resist using soft x-rays from dense plasma focus (DPF) device and by infrared spectroscopy, International Workshop on Plasma Diagnostics and Applications, Singapore, 2-3 July, 2009.

12.  Z. Y. Pan, R. S. Rawat, J. J. Lin, R. Verma, M. V. Roshan, P. Lee, S. V. Springham and T. L. Tan, Nanostructured Magnetic FePt and CoPt Thin Films Synthesis using Dense Plasma Focus Device, International Workshop on Plasma Diagnostics and Applications, 2-3 July, Singapore, 2009.

13.  E. Ghareshabani, R. S. Rawat, S. Sobhanian, R. Verma, S. Karamat and Z. Y. Pan, Synthesis of nanocrystalline multiphase TiCxNy/a-C thin films by plasma focus device, International Workshop on Plasma Diagnostics and Applications, Singapore,  2-3 July, 2009.

14.  I. A. Khan,  R. Verma, R. Ahmad and R. S. Rawat, Effect of annealing temperature on the structural and morphological properties of AIN film deposited by plasma focus device, International Workshop on Plasma Diagnostics and Applications, Singapore, 2-3 July, 2009.

15.  A.R. Talebitaher, M.V. Roshan, R. Verma, P. Lee, R.S. Rawat and S.V. Springham, Soft X-ray emission in Plasma Focus device with Neon filling gas, IPS March Meeting Singapore, 6-7 March 2009.

 

 

6. Mr Mohammad Al-Mohammadi: He is PhD student from University of Tebriz, Iran under the supervision of Prof S. Sobhanian. I am appointed overseas co-supervisor for Mr Mohamaadi and he was at NIE/NTU as non-graduating student for about six months. His publication list is:

1.   M.A. Mohammadi, S. Sobhanian, M.Ghomeishi, E.Ghareshabani, M.Moslehi-fard, and R.S. Rawat, Current Sheath Dynamics and its Evolution Studies in Sahand Filippov type Plasma Focus, Journal of Fusion Energy 28 (4), 371-376 (2009).

2.   M.A. Mohammadi, S. Sobhanian, C.S. Wong, S. Lee, P. Lee and R.S. Rawat, The Effect of Anode Shape on Neon Soft X-ray Emissions and Current Sheath Configuration in Plasma Focus Device, Journal of Physics D: Applied Physics 42, 045203 (2009). 

3.   M.A. Mohammadi, R. Verma, S. Sobhanian, C.S. Wong, S. Lee, S.V. Springham, T.L. Tan, P. Lee and R.S. Rawat, Neon soft X-ray emission studies from UNU-ICTP Plasma Focus operated with Longer than Optimal Anode Length, Plasma Sources Science and Technology 16 (4), 785-790,  (2007).

 

7. Ms Zhenying Pan: PhD student working (Aug 2007 onwards) on "Nanophase material synthesis using pulsed plasmas". (Main supervisor and Co-supervisor is A/P Paul Lee). Her publication list is:

1. Z.Y. Pan, R.S. Rawat, R. Verma, J.J. Lin, H. Yan, R.V. Ramanujan, P. Lee, S.V. Springham, T.L. Tan, Miniature plasma focus as a novel device for synthesis of soft magnetic FeCo thin films,  Physics Letters A 374, 1043-1047 (2010)

2.   Z. Y. Pan, R. S. Rawat, M.V. Roshan, J. J. Lin, R. Verma,  P. Lee, S. V. Springham and T. L. Tan, Nanostructured magnetic CoPt thin films synthesis using dense plasma focus device operating at sub-kilojoule range, Journal of Physics D: Applied Physics 42(17), 175001 (2009)

3.   Z. Y. Pan, R. S. Rawat, J. J. Lin, T. Zhang, T. L. Tan, P. Lee and S. V. Springham, Nanostructuring of FePt thin films by plasma focus device: Pulsed ion irradiation dependent phase transition and magnetic properties, Applied Physics A 96(4), 1027 (2009).

4.   Z.Y. Pan, J.J. Lin, T. Zhang, S. Karamat, R.Verma, M.V. Roshan, S. Mahmood, P.Lee, S.V.Springham, T.L.Tan and R.S. Rawat, Lower phase transition temperature and two order of coercivity enhancement in FePt films by Plasma Focus Exposure, Thin Solid Films 517, 2753-2757 (2009).

5.  Z.Y. Pan, R.S. Rawat, J.J. Lin, R. Verma, M.V. Roshan, P. Lee, S.V. Springham, T.L. Tan, T. Zhang, R.V. Ramanujan, Magnetic CoPt Nanoparticles Deposition using Plasma Focus Device, Journal of Fusion Research  Series 8, 504 (2009).

6.  J.J. Lin, Z.Y. Pan, S. Karamat, S. Mahmood, P. Lee, T.L. Tan, S.V. Springham, and R.S. Rawat*, ‘FePt:Al2O3 nanocomposite thin films synthesized by magnetic trapping assisted pulsed laser deposition with reduced intergranular exchange coupling’, J. Phys. D: Appl. Phys. 41, 095001 (2008).

7.   J.J. Lin, M.V. Roshan, Z.Y. Pan, R. Verma, P. Lee, S.V. Springham, T.L. Tan, and R.S. Rawat*, “Single shot plasma focus ion irradiation as novel fast technique for nanoparticle formation and lowering of phase transition temperature of FePt thin film”, Journal of Physics D: Applied Physics 41, 135213 (2008).

8.   S. Karamat, S. Mahmood, J. J. Lin, Z.Y. Pan, P. Lee, T.L. Tan, S.V. Springham, R. Ramanujan, and R.S. Rawat, Structural, optical and magnetic properties of (ZnO)1-x(MnO2)x thin films deposited at room temperature, Applied Surface Science 254 (22), 7285-7289 (2008).

Conference papers

1.   R. S. Rawat, T. Zhang, J. J. Lin, Z. Y. Pan and P. Lee, Application of Plasma Focus Device for deposition of nano-structured magnetic thin films and ion-irradiation induced nano-structuring of PLAD grown magnetic thin films, In Press, Proceedings of  International Workshop on Plasma Computation and Applications, INTI International University College, Nilai, Malaysia, July 14-15, 2008.

2.   Z.Y. Pan, R.S. Rawat, P. Lee, S.V. Springham, T.L. Tan, Magnetic CoPt Nanoparticles Deposition using Plasma Focus Device, Proceedings of International Workshop on Plasma Diagnostics and Applications, NIE/NTU, Singapore, July 2-3, 2009.

3.   E. Ghareshabani, R.S, Rawat, S. Sobhanian, R. Verma, S. Karamat, Z. Y. Pan, Synthesis of multiphase Ti(C,N) films by UNU/ICTP plasma focus device, Proceedings of International Workshop on Plasma Diagnostics and Applications, NIE/NTU, Singapore, July 2-3, 2009.

 

 

8. Mr Gratian Macharaga: PhD student working on "Nanophase material synthesis using repetitive plasma focus". (I am main supervisor and Co-supervisor is Ast/P G. Roshan Deen).

 

 

 

I am looking for other potential candidates who are willing to work on Plasma Focus Device (fundamental studies and application in thin film deposition and processing) or Pulsed Laser Device (primarily for thin film deposition and nano-particle synthesis). Interested candidates may please write to me directly with their CVs to explore the possibility of joining our research group for PhD programme and to discuss the potential research project that may undertaken. More information about the groups activity and area of expertise can be found on our lab's web page: Plasma Radiation Source Lab.
   

 

 

 

   Ó Rajdeep Singh Rawat, Natural Sciences and Science Education, National Institute of Education

Updated on 10 Jan 2010

Contact │  rsrawat@nie.edu.sg