Research Output 2011 2018

2018

Carrier Transport mechanisms contributing to the sub-threshold current in 3C-SiC Schottky Barrier Diodes

Arvanitopoulos, A., Perkins, S., Jennings, M., Antoniou, M., Gyftakis, K. N. & Lophitis, N. 4 Feb 2018 (Accepted/In press) 2018 1st IEEE Workshop on Wide Bandgap Power Devices and Applications in Asia (WiPDA-Asia 2018). IEEE, Vol. (in press), p. (in press)

Research output: Research - peer-reviewConference proceeding

TCAD device modelling and simulation of wide bandgap power semiconductors

Lophitis, N., Arvanitopoulos, A., Perkins, S. & Antoniou, M. 28 Feb 2018 (Accepted/In press) Disruptive Wide Bandgap Semiconductors, Related Technologies, and their Applications. Kumar Sharma, Y. (ed.). InTech – Open Access Publisher, Vol. (in press), p. (in press) 20 p.

Research output: Research - peer-reviewChapter

computer aided design
gallium nitrides
silicon carbides
simulation
diamonds

The Reliability and Static Performance of Commercial GaN-on-Si Devices at Elevated Temperatures

Perkins, S., Arvanitopoulos, A., Lophitis, N. & Gyftakis, K. N. 4 Feb 2018 (Accepted/In press) 2018 1st IEEE Workshop on Wide Bandgap Power Devices and Applications in Asia (WiPDA-Asia 2018). Xi’an, Shaanxi, China : IEEE, Vol. (in press), p. (in press)

Research output: Research - peer-reviewConference proceeding

Gallium nitride
Silicon
Temperature
High electron mobility transistors
Temperature measurement
2017

3C-SiC material parameters for accurate TCAD modeling and simulation

Arvanitopoulos, A., Perkins, S., Gyftakis, K. N., Antoniou, M. & Lophitis, N. May 2017 The 10th International Conference on Silicon Epitaxy and Heterostructures: ICSI-10. p. 115-116 2 p.

Research output: Research - peer-reviewConference proceeding

Silicon carbide
Computer aided design
Gallium nitride
Electronics industry
Power electronics

A comprensive Comparison of the Static Performance of Commercial GaN-on-Si Devices

Perkins, S., Arvanitopoulos, A., Gyftakis, K. N. & Lophitis, N. 30 Oct 2017 The 5th IEEE Workshop on Wide Bandgap Power Devices and Applications (WiPDA 2017). IEEE, p. 177-184

Research output: Research - peer-reviewConference proceeding

Open Access
File
gallium nitrides
silicon
high electron mobility transistors
silicon oxides
metal oxide semiconductors

Breakdown resistance analysis of traction motor winding insulation under thermal ageing

Gyftakis, K. N., Panagiotou, P. A., Lophitis, N., Howey, D. A. & McCulloch, M. D. 3 Nov 2017 2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017. Institute of Electrical and Electronics Engineers Inc., Vol. 2017-January, p. 5819-5825 7 p. 8096964

Research output: Research - peer-reviewConference proceeding

Open Access
File
Traction motors
Thermal aging
Breakdown
Thermal Stress
Thin Films

Breakdown Resistance Analysis of Traction Motor Winding Insulation under Thermal Ageing

Gyftakis, K. N., Panagiotou, P., Lophitis, N., Howey, D. A. & McCulloch, M. D. 2017 (Accepted/In press)

Research output: Research - peer-reviewPaper

Traction motors
Thermal aging
Thermal stress
Electric properties
Thin films

Investigation of Traction Motor Windings' Insulation Capacitance at Switching Frequencies under Accelerated Thermal Stress

Panagiotou, P., Gyftakis, K. N., Lophitis, N., McCulloch, M. D. & Howey, D. A. 2017 (Accepted/In press)

Research output: Research - peer-reviewPaper

Traction motors
Switching frequency
Thermal stress
Capacitance
Statistical methods
1 Citations

On the Investigation of the “Anode Side” SuperJunction IGBT Design Concept

Antoniou, M., Lophitis, N., Udrea, F., Bauer, F., Vemulapati, U. R. & Badstuebner, U. 22 Jun 2017 In : IEEE Electron Device Letters. 38, 8, p. 1063-1066 4 p.

Research output: Research - peer-reviewArticle

Open Access
File
Insulated gate bipolar transistors (IGBT)
Anodes
Cathodes
Fabrication
Thyristors

Physical parameterisation of 3C- Silicon Carbide (SiC) with scope to evaluate the suitability of the material for power diodes as an alternative to 4H-SiC

Arvanitopoulos, A., Belanche Guadas, M., Perkins, S., Lophitis, N., Gyftakis, K. N. & Antoniou, M. 9 Oct 2017 IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives. IEEE, Vol. (in press), p. (in press)

Research output: Research - peer-reviewConference proceeding

Open Access
File
Parameterization
Silicon carbide
Schottky barrier diodes
Computer aided design
Physical properties

Underpinning Power Electronics 2017 - Switch Optimisation Theme

Gammon, P. M., Mawby, P. A., Lophitis, N., Wright, N., O'Neil, A. & Udrea, F. Jul 2017

Research output: Research - peer-reviewPoster

Open Access
File
Insulated gate bipolar transistors (IGBT)
Power electronics
Silicon carbide
Switches
Fabrication

Validated physical models and parameters of bulk 3C-SiC aiming for credible Technology Computer Aided Design (TCAD) simulation

Arvanitopoulos, A., Lophitis, N., Gyftakis, K. N., Perkins, S. & Antoniou, M. 19 Sep 2017 In : Semiconductor Science and Technology. 32, 10, 104009

Research output: Research - peer-reviewArticle

2016

4.5 kV Bi-mode Gate Commutated Thyristor design with High Power Technology and shallow diode-anode

Lophitis, N., Antoniou, M., Udrea, F., Vemulapati, U., Arnold, M., Rahimo, M. & Vobecky, J. 28 Jul 2016 p. 371-374

Research output: ResearchPaper

Open Access
File
Thyristors
Anodes
Diodes

High voltage semiconductor devices

Lophitis, N., Ward, P., Trajkovic, T. & Udrea, F. 23 Mar 2016

Research output: ResearchPatent

Open Access
File
semiconductor devices
high voltages
conductivity
transistors
bipolar transistors
1 Citations

New Bi-Mode Gate-Commutated Thyristor Design Concept for High-Current Controllability and Low ON-State Voltage Drop

Lophitis, N., Antoniou, M., Vemulapati, U., Arnold, M., Nistor, I., Vobecky, J., Rahimo, M. & Udrea, F. 24 Feb 2016 In : IEEE Electron Device Letters. 37, 4, p. 467 - 470

Research output: ResearchArticle

Open Access
File
Controllability
Thyristors
Failure analysis
Diodes
Temperature

REVERSE CONDUCTING POWER SEMICONDUCTOR DEVICE

Lophitis, N., Udrea, F., Vemulapati, U., Nistor, L., Arnold, M., Vobecky, J. & Rahimo, M. 29 Sep 2016

Research output: ResearchPatent

Open Access
File
semiconductor devices
conduction
cathodes
cells
diodes

Understanding Ageing in Li-ion Cells: an Enabler for Effective Grid Interaction Strategies

Stocker, R., Mumtaz, A. & Lophitis, N. 4 Nov 2016

Research output: Research - peer-reviewPoster

Open Access
File
Energy storage
Control systems
Electric potential
Temperature
Battery management systems
2015
7 Citations

An experimental demonstration of a 4.5 kV “Bi-mode Gate Commutated Thyristor” (BGCT)

Vemulapati, U., Arnold, M., Rahimo, M., Vobecky, J., Stiasny, T., Lophitis, N. & Udrea, F. 2015 p. 109-112

Research output: ResearchPaper

Open Access
Thyristors
Demonstrations
Diodes
Leakage currents
Anodes
5 Citations

Experimental demonstration of the p-ring FS+ Trench IGBT concept: A new design for minimizing the conduction losses

Antoniou, M., Lophitis, N., Udrea, F., Bauer, F., Nistor, I., Bellini, M. & Rahimo, M. 2015 p. 21-24

Research output: Research - peer-reviewPaper

conduction
rings
ratings
breakdown
augmentation
1 Citations

Improving Current Controllability in Bi-Mode Gate Commutated Thyristors

Lophitis, N., Antoniou, M., Udrea, F., Vemulapati, U., Arnold, M., Nistor, I., Vobecky, J. & Rahimo, M. 22 May 2015 In : Electron Devices. 62, 7, p. 2263 - 2269 7 p., 7112118

Research output: Research - peer-reviewArticle

Open Access
File
Controllability
Thyristors
7 Citations

Novel Approach Toward Plasma Enhancement in Trench-Insulated Gate Bipolar Transistors

Antoniou, M., Lophitis, N., Bauer, F., Nistor, I., Bellini, M., Rahimo, M., Amaratunga, G. & Udrea, F. 15 May 2015 In : Electron Device Letters. 36, 8, p. 823-825 3 p.

Research output: Research - peer-reviewArticle

Open Access
File
Insulated gate bipolar transistors (IGBT)
Plasmas
Cathodes
2014
5 Citations

Parameters influencing the maximum controllable current in gate commutated thyristors

Lophitis, N., Antoniou, M., Udrea, F., Nistor, I., Arnold, M., Wikström, T. & Vobecky, J. May 2014 In : Circuits, Devices & Systems. 8, 3, p. 221-226

Research output: ResearchArticle

Open Access
Thyristors
1 Citations

The Stripe Fortified GCT: A new GCT design for maximizing the controllable current

Lophitis, N., Antoniou, M., Udrea, F., Nistor, I., Wikstrom, T., Vobecky, J. & Rahimo, M. 17 Jul 2014 2014 IEEE 26th International Symposium on Power Semiconductor Devices & IC's (ISPSD). IEEE, p. 123 - 126 4 p.

Research output: ResearchConference proceeding

Open Access
File
Marketing
Servers
2013
4 Citations

Gate commutated thyristor with voltage independent maximum controllable current

Lophitis, N., Antoniou, M., Udrea, F., Nistor, I., Rahimo, M. T., Arnold, M., Wikstroem, T. & Vobecky, J. 2013 In : IEEE Electron Device Letters. 34, 8, p. 954-956 3 p., 6547666

Research output: Research - peer-reviewArticle

Thyristors
Electric potential
Physics
10 Citations

The destruction mechanism in GCTs

Lophitis, N., Antoniou, M., Udrea, F., Bauer, F. D., Nistor, I., Arnold, M., Wikstrom, T. & Vobecky, J. 2013 In : Electron Devices. 60, 2, p. 819-826 8 p., 6410404

Research output: Research - peer-reviewArticle

Open Access
File
Thyristors
2012
6 Citations

Experimentally validated three dimensional GCT wafer level simulations

Lophitis, N., Antoniou, M., Udrea, F., Nistor, I., Arnold, M., Wikström, T. & Vobecky, J. 2012 Proceedings of the 2012 24th International Symposium on Power Semiconductor Devices and ICs, ISPSD'12. IEEE, p. 349-352 4 p. 6229093

Research output: Research - peer-reviewConference proceeding

Open Access
File
Thyristors
Phase control

Optimization of Parameters influencing the Maximum Controllable Current in Gate Commutated Thyristors

Lophitis, N., Antoniou, M., Udrea, F., Nistor, I., Arnold, M., Wikström, T. & Vobecky, J. 2012 6 p.

Research output: Research - peer-reviewPaper

Thyristors
2011
3 Citations

Turn-off failure mechanism in large area IGCTs

Lophitis, N., Antoniou, M., Udrea, F., Wikstrom, T. & Nistor, I. 2011 2011 International Semiconductor Conference, CAS 2011 Proceedings. Vol. 2, p. 361-364 4 p. 6095817

Research output: Research - peer-reviewConference proceeding

Open Access
File
thyristors
Thyristors
destruction
wafers
current distribution