R&D Career Summary:
• Strong electrical characterisation and testing skills for semiconductor device reliability and failure analysis.
• Solid understanding of semiconductor device physics and experience in device compact modelling.
• Strong programming languages and statistical analysis skills to interpret experimental data.
• Collaborated with Imec, Belgium on semiconductor device reliability project resulted in a breakthrough: significantly Improved the endurance of GeSe OTS memory selector by five orders.
• My work at Imec on semiconductor device reliability has been accepted for the 2019 IEEE International Electron Devices Meeting (IEDM), San Francisco, USA, the world’s preeminent forum for reporting breakthroughs in semiconductor and electronic devices.
• Received the “Outstanding Research” award from Institute of Physics (IOP) in the UK for my research on non-volatile memory (RRAM) device compact modelling (SPICE).
• First author of IEDM, IEEE Transactions, IOP and co-authored TED, EDL and flagship conferences (VLSI).
• Authored a full chapter in the book: “Nanoscale Devices: Physics, Modelling, and Their Application” published in CRC Press, Taylor & Francis.
• My PhD thesis selected for presentation at DATE (Design, Automation & Test in Europe) in Switzerland.
• IEEE Transactions on Electron Devices.
• IEEE Transactions on Circuits and Systems I: Regular Papers.
• IEEE Transactions on Nanotechnology.
• Nanotechnology (IOP).
• Journal of Physics D: Applied Physics (IOP).
Management and Supervision Experience:
• Site Engineer and Site Supervisor at Alcatel-Lucent North Africa/Europe (3 years: 2008-2011).
2017, The University of Nottingham, United Kingdom, Ph.D, Electronics Engineering
2012, The University of Nottingham, United kingdom, MS.c in Electronic Communications and Computer Engineering with Distinction
Research Fellow (Invited) - 3 Months, Memory Device Design (MDD) Group, Imec, 2019 - 2019
Postdoctoral Research Associate in Nanoelectronics, Electronics and Electrical Engineering, Liverpool John Morres University, 2017 - present
Doctoral Researcher, Electrical and Electronic Engineering Department, The University Nottingham, 2012 - 2016
Teaching Assistant, Electrical and Electronics Engineering, The University of Nottingham, 2012 - 2015
Chai Z, Freitas P, Zhang WD, Hatem F, Degraeve R, Clima S, Zhang J, Marsland J, Fantini A, Garbin D, Goux L, Kar G. 2020. Stochastic computing based on volatile GeSe ovonic threshold switching selectors IEEE Electron Device Letters, DOI Author Url Publisher Url Public Url
Chai Z, Wei S, Zhang WD, Brown J, Degraeve R, Salim F, Clima S, Hatem F, Zhang JF, Freitas P, Marsland J, Fantini A, Garbin D, Goux L, Kar G. 2019. GeSe-based Ovonic Threshold Switching Volatile True Random Number Generator IEEE Electron Device Letters, DOI Author Url Publisher Url Public Url
Chai Z, Zhang WD, Degraeve R, Clima S, Hatem F, Zhang JF, Freitas P, Marsland J, Fantini A, Garbin D, Goux L, Kar GS. 2019. Dependence of switching probability on operation conditions in GexSe1-x ovonic threshold switching selectors IEEE Electron Device Letters, DOI Author Url Publisher Url Public Url
Chai Z, Freitas P, Zhang WD, Hatem F, Zhang JF, Marsland J, Govoreanu B, Goux L, Kar GS. 2018. Impact of RTN on Pattern Recognition Accuracy of RRAM-based Synaptic Neural Network IEEE Electron Device Letters, DOI Author Url Publisher Url Public Url
Chai Z, Zhang WD, Freitas P, Hatem F, Zhang JF, Marsland J, Govoreanu B, Goux L, Kar GS, Hall S, Chalker P, Robertson J. 2018. The over-reset phenomenon in Ta2O5 RRAM device investigated by the RTN-based defect probing technique IEEE Electron Device Letters, 39 :955-958 DOI Author Url Publisher Url Public Url
Ho PWC, Hatem FO, Almurib HAF, Kumar TN. 2016. Comparison between Pt/TiO2/Pt and Pt/TaOX/TaOY/Pt based bipolar resistive switching devices Journal of Semiconductors, 37 :064001-064001 DOI Publisher Url
Hatem FO, Kumar TN, Almurib HAF. 2017. Ph.D Thesis: Bipolar Resistive Switching of Bi-Layered Pt/Ta2O5/TaOx/Pt RRAM–Physics-based Modelling, Circuit Design and Testing Design, Automation &Test in Europe Conference & Exhibition (DATE 2017), Switzerland Author Url
Hatem FO. Bipolar resistive switching of bi-layered Pt/Ta2O5/TaOx/Pt RRAM : physics-based modelling, circuit design and testing Kumar TN, Almurib HAM.
Hatem FO, Kumar TN, Almurib HAF. A SPICE Model of the Ta2O5/TaOx Bi-Layered RRAM IEEE International Symposium on Circuits & Systems, Baltimore, Maryland, USA
Chai Z, Zhang W, Degraeve R, Clima S, Hatem F, Zhang JF, Freitas P, Marsland J, Fantini A, Garbin D, Goux L, Kar G. Evidence of filamentary switching and relaxation mechanisms in GexSe1-x OTS selectors 2019 Symposia on VLSI Technology and Circuits DOI Author Url Publisher Url Public Url
Hatem F, Chai Z, Zhang WD, Fantini A, Degraeve R, Clima S, Garbin D, Robertson J, Guo Y, Zhang JF, Marsland J, Freitas P, Goux L, Kar G. Endurance improvement of more than five orders in GexSe1-x OTS selectors by using a novel refreshing program scheme IEEE International Electron Device Meeting (IEDM) DOI Author Url Publisher Url Public Url
Research Highlights of 2015, Semiconductor Science and Technology, Institute of Physics (IOP), United kingdom, http://iopscience.iop.org/journal/0268-1242/page/Highlights-of-2015. 2015
Membership of professional bodies:
Member, IEEE, Institute of Electrical and Electronics Engineers (IEEE), https://www.ieee.org/.
MIET, Institution of Engineering and Technology (IET), http://www.theiet.org/.