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College of Electrical & Mechanical Engineering  (CEME)
Dr. Saif Ullah Awan
Assistant Professor
Department of Electrical Engineering

CE&ME
National University of Sciences and Technology (NUST)
Peshawar Road Rawalpindi
Tel : +92-51-9247539  +92-331-5223773

Specialization
Semiconductor and Magnetic Nanomaterials

Education
Ph.D. (Physics), Quaid-i-Azam University Islamabad, Pakistan

​1.    Semiconductor materials, Quantum Materials, Nanoscale Advanced Materials, Condensed Matter Physics, Solid State Physics, Material Physics.

2.    Nanophysics (thin films and nanostructured e.g. nanoparticles, nanorods, nanowires etc). 

3.    Spintronics (Transition and Rare earth metal oxides based semiconductors).

4.    Dilute Magnetic Semiconductors (DMS).

5.    Nanoscale semiconductor physics.

6.    Structural and morphological properties of nano-dimension materials.

7.    Studies of magnetic interaction in low dimensional systems. 

8.    Electronic, electrical, dielectrics and optical properties of nanoscale materials.

9.    Ferroelectrics, composites and multiferroic properties of nanostructured systems.

10.    Designed and fabrication of Graphite ion sources for synthesis of Carbon based materials.

11.    Carbon based nano-physics (e.g. carbon clusters, carbon soot, carbon nanoparticles etc).

12.    Carbon based 2D, 1D and 0D nanoscale materials (e.g. Graphene, nanotubes and fullerenes).

13.    2D nanomaterials (e.g. MoS2, MoSe2, WS2, WSe2, BN, SnS2 etc).

14.    Topological insulators.

15.    Renewable energy (e.g. solar cells, Li-ions battery, thermoelectric materials and super capacitors).

16.    Spectroscopy and Microscopy.

17.    Computer simulations (density of states).

Synthesis Skills (Advanced Nano-materials):

1.    Sol-gel and co-precipitation method for the synthesis of  nanoparticles.

2.    Pulsed Laser Deposition (PLD) for thin films preparations.

3.    Solid state reaction synthesis method for bulk materials.

4.    DC glow discharge sputtering (carbon based nanoparticles, nanoclusters and soot).

5.    Spin coater in static and dynamic modes for thin films fabrications.

6.    Hydrothermal method used for the preparation of nanorods.

7.    Chemical Vapour Deposition (CVD) technique used for 1D and 2D materials.

8.    Magnetron sputtering technique deposit insulating, conducting and semiconductors.

9.    Vapour Liquid Solid (VLS) used for well aligned semiconducting nanorods/nanowires.

10.    Electron beam evaporation used for deposition of metals seed on different substrates.

11.    Electrothermal technique for synthesis of metallic nanowires.

Expertise & Equipment Used:

1.    X-Ray Diffractometer (XRD) for structural measurements.

2.    Scanning Electron Microscopy (SEM) for morphology of nanowires and nanorods.

3.    Transmission Electron Microscope (TEM) including HRTEM and SAED, EELS and mapping for structural and morphological studies of nanostructured materials.

4.    Atomic Force Microscope (AFM) for surface analysis of non-conducting materials.

5.    Scanning Tunneling Microscope (STM) for surface studies of conducting systems.

6.    Vibrating Sample Magnetometer (VSM) for magnetic properties.

7.    Physical Properties Measuring System (PPMS) for magnetic measurements.

8.    X-ray Photoelectron Microscope (XPS) for electronic and chemical properties.

9.    Photoluminescence (PL) spectroscopy for bandgap and defects studies of semiconductors.

10.    Raman Spectroscopy for vibration modes of solid materials.

11.    P-E hysteresis curves measurements for understanding of ferroelectricity.

12.    4-probe and 2-probe measurements for dielectric and DC resistivity properties.

13.    Hall Measurements for semiconducting n-type and p-type materials.

14.    UV/VIS Photospectrometer for absorption, transmission and reflectance spectroscopy.

 

​1.    Saif Ullah Awan, S. K. Hasanain, Massimo F. Bertino, and G. Hassnain Jaffari “Ferromagnetism in Li doped ZnO nanoparticles: The role of interstitial Li” JOURNAL OF APPLIED PHYSICS 112, 103924 (2012).

2.    Saqlain A. Shah, M. H. Asdi, M. U. Hashmi , M. F. Umar , Saif Ullah Awan “Thermo-responsive copolymer coated MnFe2O4 magnetic nanoparticles for hyperthermia therapy and controlled drug delivery” Materials Chemistry and Physics 137 365-371 (2012).

3.    Saif Ullah Awan, S. K. Hasanain, Massimo F. Bertino, and G. Hassnain Jaffari “Effects of Substitutional Li on the Ferromagnetic Response of Li co-doped ZnO:Co Nanoparticles” Journal of Physics: Condensed Matter, 25 156005 (2013).

4.    Saqlain A. Shah a,M.H. Asdi, M.U. Hashmi , M.F. Umar , Saif Ullah Awan “PEG-coated folic acid-modified superparamagnetic MnFe2O4 nanoparticles for hyperthermia therapy and drug delivery” Materials Chemistry and Physics 138 703-708 (2013).

5.    Saif Ullah Awan, S. K. Hasanain, D. H. Anjum, M. S. Awan, and Saqlain A. Shah,“Room temperature p-type conductivity and coexistence of ferroelectric order in ferromagnetic Li doped ZnO nanoparticles” JOURNAL OF APPLIED PHYSICS 116, 164109 (2014).

6.    Saqlain A. Shah,  A. Majeed ,  M. A. Shafique , K. Rashid,  Saif Ullah Awan, “Cell viability study of thermo-responsive core–shell superparamagnetic nanoparticles for multimodal cancer therapy” Appl Nanoscience 4, 227–232 (2014).

7.    Saif Ullah Awan, S. K. Hasanain, G. Hassnain Jaffari, D. H. Anjum and Umar S. Qurashi, “Defects induced luminescence and tuning of bandgap energy narrowing in ZnO nanoparticles doped with Li ions” JOURNAL OF APPLIED PHYSICS 116, 083510 (2014).

8.    Saif Ullah Awan, S. K. Hasanain, G. Hassnain Jaffari, Zahid Mahmood “Carrier concentration dependence of ferroelectric transition in multiferroic Li doped and Li-Co co-doped ZnO nanoparticles” APPLIED PHYSICS LETTERS 104, 222906 (2014).

9.    Saif Ullah Awan, S. K. Hasanain, M. S. Awan and Saqlain A. Shah, “Raman scattering and interstitial Li defects induced polarization in co-doped multiferroic Zn0.96-yCo0.04LiyO (0.00≤y≤0.10) nanoparticles” Royal Society of Chemistry (RSC) Advances 5, 39828 (2015).

10.    Saif Ullah Awan, S. K. Hasanain, Z. Mahmood, D. H. Anjum, Saqlain A. Shah , M. Aftab, Turab Ali Abbas “Study of room temperature Raman scattering and XPS, high temperature electrical and low temperature ferromagnetic properties of Zn1-yLiyO (0.00≤y≤0.10) nanoparticles” Smart Materials and Structure  24 115025  (2015).

11.    Saif Ullah Awan, S. K. Hasanain, and A. Aftab, “Influence of Li1+ co-doping defects on luminescence and bandgap narrowing engineering due to band tailing effects of ZnO: Co2+ nanoparticles” Journal of Luminescence 172 231–242 (2016).

12.    Saqlain A. Shah,  M. U. Hashmi, Saif Ullah Awan and M. Naeem, "Doxorubicin-loaded Photosensitive Magnetic Liposomes for Multi-modal Cancer Therapy" Colloids and Surfaces B: Biointerfaces 148 157–164 (2016).

13.    Naeem Ahmad, Y.U. Tian, Suleman Khan, Abdul Majid, S. A. Shah, Saif Ullah Awan, X.F. Han, Javed Iqbal, "Ferromagnetic Relaxation and Magnetic properties of Co40Fe40B20 nanowires" Journal of Superconductivity and Novel Magnetism (2016) (2016), DOI: 10.1007/s10948/016-3730-9

 

​Designation ​From ​To ​University / Institute
​Assistant Professor 14-02-2014
​31-08-2016 ​COMSATS Institute of Information Technology, Islamabad, Pakistan