Mobbassar Hassan Sk

Research Associate
Chemistry; Chemical Engineering and Biotechnology

Research Interests

Dr M Hassan Sk is an applied materials and physical scientist, who has been working for several years in collaboration with some world-leading surface research and corrosion group, including Imperial College London, Universities of Manchester, Auburn (USA) and Auckland (New Zealand). His research focuses on designing and developing innovative experimental techniques and original in-situ approaches to study various surface phenomena at the most fundamental level. His cutting-edge analytical techniques address real-world problems, such as CCUS pipeline corrosion under critical conditions of commercial interest in a very innovative way.

As a part of the Institute and the Department of Chemistry, he has developed a unique set of state-of-the-art microscopic and spectroscopic techniques which are key to understanding several important real-world challenges at the most fundamental level, and to inform the best solutions to those problems by developing the most economical mitigation strategies. Some of his techniques include Confocal RAMAN, fluorescence based optical confocal used in Differential Interference Contrast (DIC), Liquid-TEM, Technique based on non-linear optical phenomena (e.g., surface-specific Sum Frequency Generation (SFG)), Attenuated Total Reflectance (ATR)), and number of synchrotron beamlines at various world’s leading Synchrotron facilities, namely Diamond Light Source, Swiss Light Source (Pollux), French Light Source (Hermes).

Publications

• Sk, M.H., Agrawal, S., Casford, M.T.L., and Clarke, S.M. Contrast inversion of ferrite and pearlite in a sweet corrosion environment Applied Surface Science 2023

• van de Kerkhof, G.T., Walker, J.M., Agrawal, S., Clarke, S.M., Sk, M.H., Craske, D.J., Lindsay, R., Dowhyj, M., Osundare, A., Schuster, M.E., and Parker, J.E. An in situ liquid environment for synchrotron hard X-ray nanoprobe microscopy Materials at High Temperatures 2023

• Sk, M.H., Agrawal, S., Woolley, M., Clarke, S.M., Osundare, A., Craske, D., Lindsay, R., Smith, A., Snow, T., Zinn, T., and Terrill, N. Ultra-low oxygen, liquid sample cell for in situ synchrotron-based small-wide angle scattering (SAXS-WAXS) The Review of scientific instruments 2023

• Agrawal, S., Sk, M.H., Langford, R.M., and Clarke, S.M. In-situ iron corrosion in brine using TEM MRS Advances 2023

• Sk, M.H. Communication tools for scientists who stammer Nature 2022

• Wang, S., Uprety, S., Mirkhani, V., Hanggi, D., Yapabandara, K., Khanal, M.P., Ahyi, A.C., Hamilton, M.C., Sk, M.H., and Park, M. The effect of gamma-ray irradiation on the electrical characteristics of sol-gel derived zinc tin oxide thin film transistors Solid-State Electronics 2022

• Mirkhani, V., Wang, S., Yapabandara, K., Sultan, M.S., Khanal, M.P., Uprety, S., Ozden, B., Hassani, E., Schoenek, B.V., Kim, D.-.J., Oh, T.-.S., Ahyi, A.C., Dhar, S., Hamilton, M.C., Sk, M.H., and Park, M. High dose gamma irradiation effects on properties of active layers in ZnO thin film transistors Semiconductor Science and Technology 2021

• Sk, M.H., Qi, J., Al-Qahtani, N., Abdullah, A.M., Laycock, N., Ryan, M.P., and Williams, D.E. Erratum: Effect of Trace H2S on the Scale Formation Behavior in a Predominant CO2 Environment under Hydrodynamic Control: Role of Cr/Mo Micro-Alloying in Plain Carbon Steel [J. Electrochem. Soc., 166, C3233 (2019)] JOURNAL OF THE ELECTROCHEMICAL SOCIETY 2019

• Sk, M.H., Qi, J., Abdullah, A.M., Laycock, N., Ryan, M.P., and Williams, D.E. Effect of Trace H2S on the Scale Formation Behavior in a Predominant CO2 Environment under Hydrodynamic Control: Role of Cr/Mo Micro-Alloying in Plain Carbon Steel JOURNAL OF THE ELECTROCHEMICAL SOCIETY 2019

• Mirkhani, V., Yapabandara, K., Wang, S., Khanal, M.P., Uprety, S., Sultan, M.S., Ozden, B., Ahyi, A.C., Hamilton, M.C., Sk, M.H., and Park, M. On the anomaly in the electrical characteristics of thin film transistors with multi-layered sol-gel processed ZnO Thin Solid Films 2019

• Okonkwo, P.C., Sliem, M.H., Sk, M.H., Shakoor, R.A., Mohamed, A.M.A., Abdullah, A.M., and Kahraman, R. Erosion Behavior of API X120 Steel: Effect of Particle Speed and Impact Angle Coatings 2018

• Uprety, S., Hanggi, D., Yapabandara, K., Mirkhani, V., Khanal, M.P., Schoenek, B., Dhar, S., Park, M., Hamilton, M., Wang, S., Hames, W.E., and Sk, M.H. Enhancement of electrical characteristics of a‐ZTO TFTs based on channel layers produced with alternating precursor concentration Electronics Letters 2018

• Ingham, B., Holmes-Hewett, W., Ko, M., Kirby, N.M., Sk, M.H., Abdullah, A.M., Laycock, N.J., and Williams, D.E. Surface Layer Formation in the Earliest Stages of Corrosion of Steel in CO2-Saturated Brine at 80°C: Studied by In Situ Synchrotron X-ray Methods Journal of the Electrochemical Society 2018

• Ingham, B., Ko, M., Shaw, P., Sk, M.H., Abdullah, A.M., Laycock, N., and Williams, D.E. Effects of Oxygen on Scale Formation in CO2 Corrosion of Steel in Hot Brine: In Situ Synchrotron X-ray Diffraction Study of Anodic Products JOURNAL OF THE ELECTROCHEMICAL SOCIETY 2018

• Sk, M.H., Abdullah, A.M., Qi, J., Ko, M., Ingham, B., Laycock, N., Ryan, M.P., and Williams, D.E. The Effects of Cr/Mo Micro-Alloying on the Corrosion Behavior of Carbon Steel in CO2-Saturated (Sweet) Brine under Hydrodynamic Control Journal of the Electrochemical Society 2018

• Sk, M.H., Abdullah, A.M., Ko, M., Ingham, B., Laycock, N., Arul, R., and Williams, D.E. Local supersaturation and the growth of protective scales during CO2 corrosion of steel: Effect of pH and solution flow Corrosion Science 2017

• Yapabandara, K., Mirkhani, V., Sultan, M.S., Ozden, B., Khanal, M.P., Park, M., Wang, S., Hamilton, M.C., Chung, Y., Kim, D.-.J., and Sk, M.H. Study of device instability of bottom-gate ZnO transistors with sol–gel derived channel layers Journal of Vacuum Science & Technology B, Nanotechnology and Microelectronics: Materials, Processing, Measurement, and Phenomena 2017

• Ozden, B., Khanal, M.P., Mirkhani, V., Yapabandara, K., Yang, C., Ko, S., Youn, S., Hamilton, M.C., Sk, M.H., Ahyi, A.C., and Park, M. Time-Resolved Photocurrent Spectroscopic Diagnostics of Electrically Active Defects in AlGaN/GaN High Electron Mobility Transistor (HEMT) Structure Grown on Si Wafers Journal of Nanoscience and Nanotechnology 2016

• Sk, M.H., Overfelt, R.A., and Abdullah, A.M. Effects of microstructures on hydrogen induced cracking of electrochemically hydrogenated double notched tensile sample of 4340 steel MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 2016

• Hassan, M.S., and Overfelt, R.A. Microstructurally Mediated Changes in Fracture Characteristics for Electrochemically Hydrogenated 4340 Steel Materials Performance and Characterization 2015

• Ozden, B., Yang, C., Tong, F., Khanal, M.P., Mirkhani, V., Sk, M.H., Ahyi, A.C., and Park, M. Erratum: “Depth-resolved ultra-violet spectroscopic photo current-voltage measurements for the analysis of AlGaN/GaN high electron mobility transistor epilayer deposited on Si” [Appl. Phys. Lett. 105, 172105 (2014)] Applied Physics Letters 2015

• Ozden, B., Yang, C., Tong, F., Khanal, M.P., Mirkhani, V., Sk, M.H., Ahyi, A.C., and Park, M. Depth-resolved ultra-violet spectroscopic photo current-voltage measurements for the analysis of AlGaN/GaN high electron mobility transistor epilayer deposited on Si Applied Physics Letters 2014

• Sk, M.H., Overfelt, R.A., Haney, R.L., and Fergus, J.W. Hydrogen embrittlement of 4340 steel due to condensation during vaporized hydrogen peroxide treatment MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 2011

• Gale, W.F., Sofyan, N.I., Gale, H.S., Sk, M.H., Chou, S.-.F., Fergus, J.W., and Shannon, C.G. Effect of vapour phase hydrogen peroxide, as a decontaminant for civil aviation applications, on microstructure, tensile properties and corrosion resistance of 2024 and 7075 age hardenable aluminium alloys and 304 austenitic stainless steel Materials Science and Technology 2009