Curriculum Vitae

ACADEMIC AND PROFESSIONAL QUALIFICATIONS
2017 – present Postgraduate Certificate (PGCert) in Higher Education Professional Practice – Coventry University, UK
2009 – 2013

Awarded in 2014

Philosophy Doctorate (PhD) in Power Semiconductors – University of Cambridge, UK
Supervisor: Prof Florin Udrea
Scholarship: Cambridge European Trust
Industrial Partner: ABB Switzerland Ltd
2012 Master of Arts (MA) – University of Cambridge, UK
Conferred on holding the BA degree of the University of Cambridge
2008 – 2009

 

Master of Engineering (MEng) in Electrical and Electronics Engineering – University of Cambridge, UK
Scholarships: Cambridge European Trust,  Cyprus State Scholarship Foundation
2005 – 2008

Awarded in 2009

Bachelor of Arts (BA) in Electrical and Information Science – University of Cambridge, UK
Scholarships: Cambridge European Trust,  Cyprus State Scholarship Foundation

 

PREVIOUS EMPLOYMENT AND ADJUNCT POSITIONS
2013 – 2015 Post-doctoral researcher (2013-14), Research Associate in Power (2014-15), Department of Engineering, University of Cambridge, Cambridge, UK.
2013 – 2015 Consultant in Research and Development of Power Devices, Cambridge Microelectronics Ltd,
Cambridge, UK.
2013 – 2015 Supervisor for Part IA Engineering, Emmanuel College, University of Cambridge, Cambridge, UK.
2011 – 2012 Supervisor for Part IA Engineering, Clare College, University of Cambridge, Cambridge, UK.
2010 – 2011 Teaching Assistant, Department of Engineering, University of Cambridge, Cambridge, UK.
2009 – 2010 Supervisor for Part IB Engineering, St. Catharine’s College, University of Cambridge, Cambridge, UK
2009 Laboratory demonstrator, Department of Engineering, University of Cambridge, Cambridge, UK

 

PUBLICATIONS
Patent Applications:

1.        N. Lophitis, T. Trajkovic, F. Udrea, P. Ward, “High Voltage Semiconductor Devices,” GB1416403.2, Pending Invention Disclosure, 2016.

2.         N. Lophitis, F. Udrea, U. Vemulapati, I Nistor, M. Arnold, J. Vobecky, M Rahimo, “Reverse conducting power semiconductor device”, EPC15160264.6-1552, Pending Invention Disclosure, 2015.

Journal Publications:

3.        N. Lophitis, M. Antoniou, F. Udrea, I Nistor, U. Vemulapati, M T Rahimo, M. Arnold, T. Wikstroem, J. Vobecky,  “New Bi-Mode Gate-Commutated Thyristor Design Concept for High-Current Controllability and Low ON-State Voltage Drop”, IEEE Electron Device Letters, 2016.

4.         N. Lophitis, M. Antoniou, F. Udrea, I Nistor, U. Vemulapati, M Rahimo, M. Arnold, T. Wikstroem, J. Vobecky, “Improving Current Controllability in Bi-mode Gate Commutated Thyristors”, IEEE Transactions on Electron Devices, 2015.

5.        M. Antoniou, N. Lophitis, F. Udrea, F. Bauer, M Bellini, I Nistor, M Rahimo, “Novel approach towards plasma enhancement in Trench Insulated Gate Bipolar Transistors”, IEEE Electron Device Letters, 2015.

6.        N. Lophitis, M. Antoniou, F. Udrea, I Nistor, M. Arnold, T. Wikstroem, J. Vobecky, “Parameters influencing the maximum controllable current in Gate Commutated Thyristors”, IET Circuits, Devices & Systems, 2014.

7.        N. Lophitis, M. Antoniou, F. Udrea, I Nistor, M T Rahimo, M. Arnold, T. Wikstroem, J. Vobecky, “Gate Commutated Thyristor with Voltage Independent Maximum Controllable Current”, IEEE Electron Device Letters, 2013.

8.        N. Lophitis, M. Antoniou, F. Udrea, F D Bauer, I Nistor, M. Arnold, T. Wikstroem, J. Vobecky, “The destruction mechanism in GCTs”, IEEE Transactions on Electron Devices, 2013.

Publications in Conference Proceedings:

9.        N. Lophitis, M. Antoniou, F. Udrea, U. Vemulapati, M. Arnold, M Rahimo, J. Vobecky, “4.5kV Bi-mode Gate Commutated Thyristor design with High Power Technology and shallow diode-anode”, Proceedings of IEEE International Symposium on Power Semiconductor Devices and ICs, 2016.

10.     U. Vemulapati, M. Arnold, M. Rahimo, J. Vobecky, T. Stiasny, N. Lophitis, F. Udrea, “An Experimental Demonstration of a 4.5 kV “Bi-mode Gate Commutated Thyristor” (BGCT), Proceedings of IEEE International Symposium on Power Semiconductor Devices and ICs, 2015.

11.     M. Antoniou, N. Lophitis, F. Udrea, F. Bauer, M. Bellini, I. Nistor, M. Rahimo, “Experimental demonstration of the p-ring FS+ Trench IGBT concept: A new design for minimizing the conduction losses”, Proceedings of IEEE International Symposium on Power Semiconductor Devices and ICs, 2015.

12.     N. Lophitis, M. Antoniou, F. Udrea, I Nistor, M T Rahimo, M. Arnold, T Wikstroem, J. Vobecky, “The Stripe Fortified GCT: A new GCT design for maximizing the controllable current”, Proceedings of IEEE International Symposium on Power Semiconductor Devices and ICs, 2014.

13.     N. Lophitis, M. Antoniou, F. Udrea, I Nistor, M. Arnold, T. Wikstroem, J. Vobecky, “Experimentally validated three dimensional GCT wafer level simulations”, Proceedings of IEEE International Symposium on Power Semiconductor Devices and ICs, 2012.

14.     N. Lophitis, M. Antoniou, F. Udrea, I Nistor, M. Arnold, T. Wikstroem, J. Vobecky, “Optimization of parameters influencing the Maximum Controllable Current in Gate Commutated Thyristors”, Proceedings of IET International Seminar on Power Semiconductors, 2012.

15.     N. Lophitis, M. Antoniou, F. Udrea, T. Wikstroem, I Nistor, “Turn-off failure mechanism in large area IGCTs”, Proceedings of IEEE International Semiconductor Conference, 2011.

Other Conference and Workshop Publications:

16.     R. Stocker, A. Mumtaz, N. Lophitis, “Understanding Ageing in Li-ion Cells : an Enabler for Effective Grid Interaction Strategies,” IEEE PES Manchester Electrical Energy and Power Systems (MEEPS), 2016.

17.     N. Lophitis, F. Udrea, I Nistor, “Three dimensional GCT wafer level simulations”, EPSRC Power Electronic Centre Launch event, 2013.

 

TEACHING EXPERIENCE
2015, 2016 Invited Lecturer for MEng level Engineering (Department of Engineering, University of Cambridge):
–  “Power electronics and applications” (Lecture on  GTOs and GCTs)
2015 – present Lecturer in Electrical Engineering (Faculty of Engineering and Computing, Coventry University):
–    “Electric Machines and Drives” (Master level)
–    “Electrical Science” (First year undergraduate level)
–    “Power Electronics” (Third year undergraduate level)
–    “Writing for Computer Science and Engineering” (Master level)
2014 Invited Lecturer for MEng level Engineering (Department of Engineering, University of Cambridge):
–  “Power electronics and applications” (Lectures on Thyristors, GTOs and GCTs)
2013 – 2015 Supervisor for Part IA Engineering (Emmanuel College, University of Cambridge):–     “Physical Principles of Electronics and Electromagnetics”
–     “Linear Circuits and Devices” (Circuits, Field Effect Transistors and Amplifiers, Operational Amplifiers and Negative Feedback)
–     “Electrical Power” (Real, Reactive Apparent Power and Power Factor, Transformers)
–     “Digital Circuits and Information Processing”
2011 – 2012 Supervisor for Part IA Engineering (Clare College, University of Cambridge):
–     “Mathematics” (Vectors, Functions and Complex Numbers, Introduction to Ordinary Differential Equations, Matrices, Steps, impulses and linear system response, Fourier series, Probability, Functions of Several Variables, Laplace transforms)
2010 – 2011 Teaching Assistant for the Department of Engineering (University of Cambridge):
–     “Integrated Design Project” (Part IB Engineering team based project – Demonstrator and marker)
–     “Lego Mindstorms NXT exercise” (Part IA Engineering programming project – Demonstrator and marker)
–     “Radio Frequency Electronics” (Part IIA Engineering laboratory – Marker)
–     “Electric Drive Systems” (Part IIA Engineering laboratory – Demonstrator and marker)
2009 – 2010 Supervisor for Part IB (St. Catharine’s College, University of Cambridge):
 –   “Linear Circuits and Devices” (Bipolar Transistor, Operational Amplifiers and Negative Feedback, Power Amplifiers and Oscillators)
–   “Electrical Power” (Three-phase systems, Generation, Synchronous Generators, Transmission and Distribution Induction Motors)
–   “Electromagnetic Fields and Waves”Laboratory Demonstrator for Part IIA (Department of Engineering, University of Cambridge):
–   “Switch Mode Electronics” (Thyristor Converters)

 

OTHER SCHOLARSHIPS, AWARDS, PRIZES AND DISTINCTIONS:
2015 Hughes Hall, University of Cambridge, Postdoctoral Research Associateship
2012 Magdalene College research grant
2011 Magdalene College Prof C H Lee grant
2010 Magdalene College research grant
2009 – 2012 Cambridge European Trust Scholar
2006 Magdalene College Exhibitioner for outstanding academic performance.
2005 – 2009 Cambridge European Trust Scholar
2005 – 2009 Cyprus State Scholarship Foundation Scholar (awarded due to outstanding performance)
2003 First among all graduate students of Ayios Ioannis Lyceum Limassol, having as main subjects Mathematics, Physics, Chemistry and Computer Sciences
2002 – 2003 Distinction in the Cyprus National Physics Competition (Olympiad)
2002 – 2003 Silver Medal in the Cyprus National Mathematics Competition (Olympiad)