QAU Faculty | Physics | Dr. Muhammad Shafiq

Research Interests Publications Conferences Research Projects

Studies on low energy Plasma Focus devices and the diagnostics like time-resolved and time-integrated neutron, X-ray and charged particle beam detectors. X-ray emission from the plasma focus device and to correlate the emission parameters with the operating conditions to enhance X-ray yield.

Hard coatings using high energy density plasmas.

Deposition and processing of thin films using repetitive plasma focus device

Studies on plasma generation in 50Hz pulsed dc discharge for material processing/ Surface treatment of different materials.

CCP and ICP studies.

1. Ghulam Murtaza, S.S. Hussain, N.U. Rehman, S. Naseer, M. Shafiq, M. Zakaullah, “Carburizing of zirconium using a low energy Mather type plasma focus” Surface & Coatings Technology 205 (2011) 3012–3019

2. S. Hussain, M. Shafiq, M. A. Badar, and M. Zakaullah, “ Effect of insulator sleeve material on the x-ray emission from a plasma focus device”, Phys. of Plasma 17 (2010) 092705

3. S. Hussain, M. Shafiq and M. Zakaullah “Tailoring a plasma focus as hard x-ray source for imaging”, Appl. Phys. Lett. 96, (2010) 031501

4. H.U. Khan, M. Shafiq, S.S. Hussain, and M. Zakaullaha, “Effect of preionization on soft x-ray emission and plasma dynamics in a small plasma focus system”, J. Appl. Phys. 107 (2010)

5. M. Shafiq, M.Hassan, K.Shazad, A. Qayyum, S.Ahmad, R.S.Rawat and M. Zakaullaha, “Pulsed ion beam-assisted carburizing of titanium in methane discharge”, Chin. Phys. B. 19, (2010) 012801

6. H.U. Khan, M. Shafiq, S.S. Hussain, and M. Zakaullaha “Enhancing soft X-ray emission with depleted uranium in neon plasma focus”, Eur. Phys. J. Appl. Phys. 48, 21001 (2009)

7. H.U. Khana, M. Shafiq, S.S. Hussaina, S. Ahmad and M. Zakaullaha “Soft X-ray emission from preionized He plasma in a 3.3 kJ Mather type plasma focus device” Plasma Devices and Operations, 17 (2009) 257–264

8. Shafiq M., Asghar M., Ahmad S., Sadiq M., Qayyum A. and Zakaullah M., “Dense plasma focus-assisted nitriding of AISI-304”, Radiation Effects & Defects in Solids 163 (2008) 729-736

9. Shaista Zeb, Qayyum A., Shafiq M. and Zakaullah M., “Deposition of titanium nitride on AISI-304 in plasma focus environment”, Eur Phys J-Appl Phys., 42 (2008) 145-151

10. Sadiq M., Ahmad S., Shafiq M. and Zakaullah M., “Enhanced crystallinity of PTFE by ion irradiation in dense plasma focus”, Plasma Process & Polymers 4 (2007) 186 - 191.

11. Shaista Zeb, Qayyum A., Sadiq M., Shafiq M., Waheed A. and Zakaullah M., “Deposition of diamond-like carbon films using graphite sputtering in neon dense plasma”, Plasma Chem. Plasma Process. 27 (2007) 127- 139.

12. Sadiq M., Ahmad S., Shafiq M. and Zakaullah M., “Nitrogen ion implantation of silicon in dense plasma focus”, Nucl. Instrum. Meth. Phys. Res. B 252 (2006) 219 -224.

13. Sadiq M., Ahmad A., Shafiq M., Zakaullah M., Ahmad R. and Waheed A., “Reactive sputter deposition of AlN films by dense plasma focus”, J. Vac. Sci. Tech. A 24 (2006) 2122 -2127 .

14. Ahmad S., Shafiq M., Waheed A. and Zakaullah M., “Depleted uranium (₉₂U²³⁸) induced pre-ionization for enhanced and reproducible X-ray emission from plasma focus”, Appl. Phys. Lett. 89 (2006) 061503.

15. Ahmad S., Hussain S. S., Sadiq M., Shafiq M., Waheed A. and Zakaullah M., “Enhanced and reproducible neutron emission from a plasma focus with pre-ionization induced by depleted uranium”, Plasma Phys. Conrtrol. Fusion 48 (2006) 745 - 755.

16. Ahmad S., Sadiq M., Shafiq M., Waheed A., Lee P. and Zakaullah M., “Effect of Pre-Ionization by Shunt Resistor on Reproducibility of the Plasma Focus Operation”, Plasma Sources Sci. Technol. 15 (2006) 314 - 321.

17. Sadiq M., Shafiq M., Waheed A., Ahmad R. and Zakaullah M., “Amorphization of silicon by ion irradiation in dense plasma focus”, Phys. Lett. A 352 (2006) 150-154.

18. Ahmad S., Sadiq M., Hussain S., Shafiq M., Zakaullah M. and Waheed A., “Catalytic action of β-source on X-ray emission from plasma focus”, Rev. Sci. Instrum. 77 (2006) 013504

19. Ahmad S., Sadiq M., Hussain S., Shafiq M., Lee P., Zakaullah M. and Waheed A., “Enhanced and reproducible X-ray emission in a low energy plasma focus”, EPL Europhys. Lett. 73 (2006) 42-48.

20. Hussain S, Shafiq M., Ahmad R., Waheed A. and Zakaullah M., “Plasma focus as a possible X-ray source for radiography”, Plasma Sources Sci. Technol. 14 (2005) 61-69.

21. Shafiq M., Khan A. A., Hussain S., Sharif M., Ahmad R., Bhatti S. H., Waheed A. and Zakaullah M., “Generation of titanium K-radiation in a 1 kJ plasma focus”, Plasma Devices and Operations, 12 (2004) 305-312.

22. Shafiq M., Hussain S., Waheed A. and Zakaullah M., “X-ray emission from plasma focus with high Z inserts at the anode tip”, Plasma Sources Sci. Technol. 12 (2003) 199 - 204.

23. Zakaullah M., Alamgir A., Shafiq M., Sharif M. and Waheed A., “Scope of plasma focus with argon as a soft X-ray source”, IEEE Transactions on Plasma Science 30 (2002) 2089 - 2094.

24. Shafiq M., Hussain S, Sharif M. and Zakaullah M., “Soft x-ray emission optimization study with nitrogen gas in a 1.2 kJ plasma focus”, J Fusion Energy 20, (2001, ©2002) 113 – 115.

25. Shafiq M., Hussain S., Sharif M., Zakaullah M., and Waheed A., “Study of molybdenum K-series line radiation emission from a low energy plasma focus”, Phys. Lett. A, 302 (2002) 23-27.

26. Shafiq M., Sharif M., Sartaj, Zakaullah M., Waheed A. and Murtaza G., “A simple technique to record X-ray fluence anisotropy of a source”, J Fusion Energy 20, (2001, ©2002) 69-73.

27. Zakaullah M., Alamgir K., Shafiq M., Hassan S. M., Sharif M. Hussain S. and Waheed A., “Characteristics of X-rays from plasma focus operated with neon gas”, Plasma Sources Sci.Technol. 11 (2002) 377-382.

28. Shafiq M., Sartaj, Hussain S., Ahmad S., Zakaullah M., Waheed A., Murtaza G. and Ahmad R., “Soft X-ray emission in the (1.0 – 1.5 keV) window with nitrogen filling in a low energy plasma focus”, Mod. Phys. Lett. 16B (2002) 309–318.

29. Zakaullah M., Alamgir K., Shafiq M., Sharif M., Waheed A. and Murtaza G., “Low energy plasma focus as a tailored X-ray source”, J Fusion Energy 19, (2000, ©2002) 143-157.

30. Zakaullah M., Alamgir A., Shafiq M., Hasan S. M., Murtaza G. and Waheed A., “Improved temperature measurement in a plasma focus by means of a cobalt filter”, Plasma Sources Sci. Technol. 10 (2001) 295-301.