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Browsing publications by Dr Christopher Johnson.

Newcastle AuthorsTitleYearFull text
Dr Simon Lambert
Professor Barrie Mecrow
Dr Christopher Johnson
Integrated drives for transport – A review of the enabling electronics technology2015
Dr Simon Lambert
Professor Barrie Mecrow
Dr Christopher Johnson
Integrated drives for transport – A review of the enabling thermal management technology2015
Dr Konstantin Vasilevskiy
Irina Nikitina
Dr Alton Horsfall
Professor Nick Wright
Dr Christopher Johnson
et al.
3.3 kV Rated Silicon Carbide Schottky Diodes with Epitaxial Field Stop Ring2011
Dr Konstantin Vasilevskiy
Irina Nikitina
Dr Alton Horsfall
Professor Nick Wright
Dr Christopher Johnson
et al.
4.6 kV, 10.5 mOhm.cm(2) Nickel Silicide Schottky Diodes on Commercial 4H-SiC Epitaxial Wafers2010
Dr Konstantin Vasilevskiy
Irina Nikitina
Dr Alton Horsfall
Professor Nick Wright
Dr Christopher Johnson
et al.
6 kV, 10.5 mOhm·cm2 nickel silicide Schottky diodes on commercial 4H-SiC epitaxial wafers2010
Dr Konstantin Vasilevskiy
Irina Nikitina
Dr Alton Horsfall
Professor Nick Wright
Dr Christopher Johnson
et al.
Growth of few layers graphene on silicon carbide from nickel silicide supersaturated with carbon2010
Professor Nick Wright
Dr Christopher Johnson
Dr Alton Horsfall
Dr Konstantin Vasilevskiy
Applications-based design of SiC technology2009
Irina Nikitina
Dr Konstantin Vasilevskiy
Dr Alton Horsfall
Professor Nick Wright
Professor Anthony O'Neill
et al.
Phase composition and electrical characteristics of nickel silicide Schottky contacts formed on 4H-SiC2009
Dr Konstantin Vasilevskiy
Irina Nikitina
Dr Alton Horsfall
Professor Nick Wright
Professor Anthony O'Neill
et al.
Silicon Carbide Static Induction Transistor with Implanted Buried Gate2009
Dr Konstantin Vasilevskiy
Professor Nick Wright
Irina Nikitina
Dr Alton Horsfall
Dr Christopher Johnson
et al.
Silicon carbide vertical JFET operating at high temperature2009
Dr Konstantin Vasilevskiy
Irina Nikitina
Professor Nick Wright
Dr Christopher Johnson
Impact ionization in ion implanted 4H-SiC photodiodes2008
Irina Nikitina
Dr Konstantin Vasilevskiy
Dr Alton Horsfall
Professor Nick Wright
Professor Anthony O'Neill
et al.
Phase Inhomogeneity and Electrical Characteristics of Nickel Silicide Schottky Contacts Formed on 4H-SiC2008
Professor Nick Wright
Dr Christopher Johnson
Dr Alton Horsfall
Applications-Based Design of SiC Technology2007
Dr Christopher Johnson
Bandwidth Optimization of an Integrated Microstrip Circulator and Antenna Assembly: Part 22007
Mahera Musallam
Professor Paul Acarnley
Dr Christopher Johnson
Dr Len Pritchard
Professor Volker Pickert
et al.
Estimation and control of power electronic device temperature during operation with variable conducting current2007
Praneet Bhatnagar
Professor Nick Wright
Dr Alton Horsfall
Dr Konstantin Vasilevskiy
Dr Christopher Johnson
et al.
High temperature characterisation of 4H-SiC VJFET2007
Dr Christopher Johnson
Peter Tappin
High temperature direct double side cooled inverter module for hybrid electric vehicle application2007
Dr Konstantin Vasilevskiy
Irina Nikitina
Dr Alton Horsfall
Professor Nick Wright
Professor Anthony O'Neill
et al.
High voltage silicon carbide schottky diodes with single zone junction termination extension2007
Professor Nick Wright
Dr Christopher Johnson
Irina Nikitina
Dr Alton Horsfall
Proceedings of the 6th European Conference on Silicon Carbide and Related Materials, Newcastle upon Tyne, UK, September 2006 (ECSCRM 2006)2007
Professor Nick Wright
Irina Nikitina
Dr Alton Horsfall
Dr Christopher Johnson
Silicon Carbide Vertical JFET Operating at High Temperature2007
Praneet Bhatnagar
Dr Alton Horsfall
Professor Nick Wright
Dr Christopher Johnson
Dr Konstantin Vasilevskiy
et al.
Analytical modelling of I-V characteristics for 4H-SiC enhancement mode VJFET2006
Dr Matthew Armstrong
Dr Dave Atkinson
Dr Christopher Johnson
Dr Tusitha Abeyasekera
Auto-calibrating dc link current sensing technique for transformerless, grid connected, H-bridge inverter systems2006
Dr Konstantin Vasilevskiy
Irina Nikitina
Professor Nick Wright
Dr Alton Horsfall
Professor Anthony O'Neill
et al.
Device processing and characterisation of high temperature silicon carbide Schottky diodes2006
Kazuhiro Adachi
Dr Christopher Johnson
Elucidation of the intrinsic loss arising from switch output capacitance coss in ultra-high-speed low-loss power converters2006
Dr Konstantin Vasilevskiy
Irina Nikitina
Dr Alton Horsfall
Professor Nick Wright
Professor Anthony O'Neill
et al.
High temperature operation of silicon carbide Schottky diodes with recoverable avalanche breakdown2006
Irina Nikitina
Dr Konstantin Vasilevskiy
Dr Alton Horsfall
Professor Nick Wright
Professor Anthony O'Neill
et al.
Structural pattern formation in titanium-nickel contacts on silicon carbide following high-temperature annealing2006
Dr Konstantin Vasilevskiy
Irina Nikitina
Dr Alton Horsfall
Professor Nick Wright
Dr Christopher Johnson
et al.
Structural properties of titanium-nickel films on silicon carbide following high temperature annealing2006
Professor Volker Pickert
Dr Christopher Johnson
A Comparison of Pole Commutated Converter Types for Induction Motor Drives Applications2005
Professor Volker Pickert
Dr Christopher Johnson
A Comparison of Pole Commutated Inverter Types for Induction Motor Drives2005
Professor Nick Wright
Dr Konstantin Vasilevskiy
Irina Nikitina
Dr Alton Horsfall
Dr Christopher Johnson
et al.
Aluminium implantation induced linear surface faults in 4H-SiC2005
Professor Nick Wright
Dr Konstantin Vasilevskiy
Irina Nikitina
Dr Alton Horsfall
Dr Christopher Johnson
et al.
Aluminium implantation induced linear surface faults in 4H-SiC2005
Praneet Bhatnagar
Dr Alton Horsfall
Professor Nick Wright
Professor Anthony O'Neill
Dr Konstantin Vasilevskiy
et al.
Effective edge termination design in SiCVJFET2005
Irina Nikitina
Dr Konstantin Vasilevskiy
Professor Nick Wright
Dr Alton Horsfall
Professor Anthony O'Neill
et al.
Formation and role of graphite and nickel silicide in nickel based ohmic contacts to n -type silicon carbide2005
Dr Matthew Armstrong
Dr Dave Atkinson
Dr Christopher Johnson
Dr Tusitha Abeyasekera
Low order harmonic cancellation in a grid connected multiple inverter system via current control parameter randomization2005
Praneet Bhatnagar
Dr Alton Horsfall
Professor Nick Wright
Dr Christopher Johnson
Dr Konstantin Vasilevskiy
et al.
Optimisation of a 4H-SiC enhancement mode power JFET for high temperature operation2005
Dr Konstantin Vasilevskiy
Professor Nick Wright
Irina Nikitina
Dr Alton Horsfall
Professor Anthony O'Neill
et al.
Protection of selectively implanted and patterned silicon carbide surfaces with graphite capping layer during post-implantation annealing2005
Cezar Blasciuc-Dimitriu
Dr Alton Horsfall
Professor Nick Wright
Dr Christopher Johnson
Dr Konstantin Vasilevskiy
et al.
Quantum modelling of I-V characteristics for 4H-SiC Schottky barrier diodes2005
Dr Tusitha Abeyasekera
Dr Christopher Johnson
Dr Dave Atkinson
Dr Matthew Armstrong
Suppression of line voltage related distortion in current controlled grid connected inverters2005
Professor Nick Wright
Nipapan Poolamai
Dr Konstantin Vasilevskiy
Dr Alton Horsfall
Dr Christopher Johnson
et al.
Benefits of high-k dielectrics in 4H-SiC trench MOSFETs2004
Professor Nick Wright
Nipapan Poolamai
Dr Konstantin Vasilevskiy
Dr Alton Horsfall
Dr Christopher Johnson
et al.
Benefits of high-k dielectrics in 4H-SIC trench MOSFETs2004
Dr Konstantin Vasilevskiy
Dr Alton Horsfall
Dr Christopher Johnson
Professor Nick Wright
Edge termination of SiC Schottky diodes with guard rings formed by high energy Boron implantation2004
Dr Len Pritchard
Professor Paul Acarnley
Dr Christopher Johnson
Effective thermal conductivity of porous solder layers2004
Dr Alton Horsfall
Professor Nick Wright
Dr Christopher Johnson
Dr Konstantin Vasilevskiy
Professor Anthony O'Neill
et al.
First principles derivation of carrier transport across metal - SiC barriers2004
Dr Konstantin Vasilevskiy
Dr Alton Horsfall
Dr Christopher Johnson
Professor Nick Wright
Low voltage silicon carbide zener diode2004
Mahera Musallam
Professor Paul Acarnley
Dr Christopher Johnson
Dr Len Pritchard
Professor Volker Pickert
et al.
Open Loop Real-Time Power Electronic Device Junction Temperature Estimation2004
Dr Konstantin Vasilevskiy
Dr John Hedley
Dr Alton Horsfall
Dr Christopher Johnson
Professor Nick Wright
et al.
Reactive ion etching of Silicon Carbide with patterned Boron implantation2004
Dr Konstantin Vasilevskiy
Dr John Hedley
Dr Alton Horsfall
Dr Christopher Johnson
Professor Nick Wright
et al.
Reactive ion etching of silicon carbide with patterned boron implantation2004
Cezar Blasciuc-Dimitriu
Dr Alton Horsfall
Dr Konstantin Vasilevskiy
Dr Christopher Johnson
Professor Nick Wright
et al.
Characterisation of the High Temperature Performance of 4H-SiC Schottky Barrier Diodes2003
Dr Tusitha Abeyasekera
Dr Christopher Johnson
Dr Dave Atkinson
Dr Matthew Armstrong
Elimination of Subharmonics in Direct Look-Up Table (DLT) Sine Wave Reference Generators for Low-Cost Microprocessor-Controlled Inverters2003
Dr Gordon Phelps
Dr Graeme Chester
Dr Christopher Johnson
Professor Nick Wright
Field enhanced diffusion of nitrogen and boron in 4H-silicon carbide2003
Dr Matthew Armstrong
Dr Dave Atkinson
Dr Christopher Johnson
Dr Tusitha Abeyasekera
Low order harmonic cancellation scheme for multiple PV grid-connected inverters2003
Dr Alton Horsfall
Dr Christopher Johnson
Professor Nick Wright
Professor Anthony O'Neill
Optimisation of a 4H-SiC enhancement mode power JFET2003
Dr Alton Horsfall
Dr Christopher Johnson
Professor Nick Wright
Professor Anthony O'Neill
Optimisation of a 4H-SiC Enhancement Mode Power JFET2003
Dr Konstantin Vasilevskiy
Dr Alton Horsfall
Dr Christopher Johnson
Professor Nick Wright
Professor Anthony O'Neill
et al.
4H-SiC rectifiers with dual metal planar Schottky contacts2002
Dr Konstantin Vasilevskiy
Dr Alton Horsfall
Dr Christopher Johnson
Professor Nick Wright
Professor Anthony O'Neill
et al.
4H-SiC Schottky diodes with high on/off current ratio2002
Dr Konstantin Vasilevskiy
Dr Alton Horsfall
Dr Christopher Johnson
Professor Nick Wright
Professor Anthony O'Neill
et al.
4H-SiC Schottky diodes with high on/off current ratio2002
Dr Len Pritchard
Dr Christopher Johnson
Professor Paul Acarnley
Dr Alton Horsfall
An investigation of the structural and thermal transfer characteristics of commercial power mosfet devices using experimental and modelling techniques2002
Dr Christopher Johnson
Professor Nick Wright
Barrier height determination of SiC Schottky diodes by capacitance and current-voltage measurements2002
Cezar Blasciuc-Dimitriu
Dr Alton Horsfall
Dr Konstantin Vasilevskiy
Dr Christopher Johnson
Professor Nick Wright
et al.
Characterisation of the high temperature performance of 4H-SiC Schottky barrier diodes2002
Dr Gordon Phelps
Professor Nick Wright
Dr Graeme Chester
Dr Christopher Johnson
Professor Anthony O'Neill
et al.
Enhanced dopant diffusion effects in 4H silicon carbide2002
Dr Gordon Phelps
Professor Nick Wright
Dr Graeme Chester
Dr Christopher Johnson
Professor Anthony O'Neill
et al.
Enhanced nitrogen diffusion in 4H-SiC2002
Dr Gordon Phelps
Professor Nick Wright
Dr Christopher Johnson
Professor Anthony O'Neill
Dr Sylvie Ortolland
et al.
Enhanced nitrogen diffusion in 4H-SiC2002
Dr Alton Horsfall
Dr Christopher Johnson
Professor Nick Wright
Professor Anthony O'Neill
Optimisation of a 4H-SiC enhancement mode power JFET2002
Dr Alton Horsfall
Dr Konstantin Vasilevskiy
Dr Christopher Johnson
Professor Nick Wright
Professor Anthony O'Neill
et al.
Optimisation of implanted guard-ring terminations in 4H-SiC Schottky diodes2002
Dr Alton Horsfall
Dr Konstantin Vasilevskiy
Dr Christopher Johnson
Professor Nick Wright
Professor Anthony O'Neill
et al.
Optimisation of implanted guard-ring terminations in 4H-SiC Schottky diodes2002
Dr Gordon Phelps
Professor Nick Wright
Dr Graeme Chester
Dr Christopher Johnson
Professor Anthony O'Neill
et al.
Step bunching fabrication constraints in silicon carbide2002
Kazuhiro Adachi
Dr Christopher Johnson
Super-junction device forward characteristics and switched power limitations2002
Kazuhiro Adachi
Dr Christopher Johnson
TCAD optimisation of 4H-SiC channel-doped MOSFET with p-polysilicon gate2002
Kazuhiro Adachi
Dr Christopher Johnson
TCAD optimisation of 4H-SiC channel-doped MOSFET with p-polysilicon gate2002
Dr Alton Horsfall
Dr Christopher Johnson
Professor Nick Wright
Professor Anthony O'Neill
4H-SiC Schottky diodes with high on-off current ratio2001
Dominique Morrison
Dr Christopher Johnson
A Simple non-destructive technique to detect micropipes in silicon carbide2001
Kazuhiro Adachi
Dr Christopher Johnson
Comparison of super-junction structures in 4H-SiC and Si for high voltage applications2001
Dr Alton Horsfall
Dr Sylvie Ortolland
Professor Nick Wright
Dr Christopher Johnson
Double implanted power MESFET technology in 4H-SiC2001
Dr Sylvie Ortolland
Professor Nick Wright
Dr Christopher Johnson
Effect of residual damage on carrier transport properties in a 4H-SiC double implanted bipolar junction transistor2001
Professor Nick Wright
Dr Christopher Johnson
Professor Anthony O'Neill
Dr Alton Horsfall
Dr Sylvie Ortolland
et al.
Physical characterization of residual implant damage in 4H-SiC double implanted bipolar technology2001
Dr Christopher Johnson
Professor Nick Wright
Dominique Morrison
Dr Alton Horsfall
Dr Sylvie Ortolland
et al.
Recent progress and current issues in SiC semiconductor devices for power applications2001
Dr Christopher Johnson
Dr Alton Horsfall
Dominique Morrison
1.6 kV 4H-SiC Schottky diodes for IGBT applications2000
Dominique Morrison
Dr Christopher Johnson
A simple non-destructive technique to detect micropipes in silicon carbide2000
Dr Christopher Johnson
Dr Alton Horsfall
Dominique Morrison
Characterisation of 4H-SiC Schottky diodes for IGBT applications2000
Kazuhiro Adachi
Dr Christopher Johnson
Comparison of super-junction structures in 4H-SiC and Si for high voltage applications2000
Professor Volker Pickert
Dr Christopher Johnson
Digital signal processor controlled auxiliary commutated pole converter for high-performance motor drives applications2000
Dr Alton Horsfall
Dr Sylvie Ortolland
Dr Christopher Johnson
Double implanted power MESFET technology in 4H-SiC2000
Dominique Morrison
Dr Christopher Johnson
Effect of plasma etching and sacrificial oxidation on 4H-SiC Schottky barrier diodes2000
Dominique Morrison
Dr Christopher Johnson
Effect of plasma etching and sacrificial oxidation on 4H-SiC Schottky barrier diodes2000
Dominique Morrison
Professor Nick Wright
Dr Alton Horsfall
Dr Christopher Johnson
Professor Anthony O'Neill
et al.
Effect of post-implantation anneal on the electrical characteristics of Ni 4H-SiC Schottky barrier diodes terminated using self-aligned argon ion implantation2000
Professor Nick Wright
Dr Christopher Johnson
Professor Anthony O'Neill
Dr Alton Horsfall
Dr Sylvie Ortolland
et al.
Implanted bipolar technology in 4H-SiC2000
Professor Nick Wright
Dr Christopher Johnson
Professor Anthony O'Neill
Dr Alton Horsfall
Kazuhiro Adachi
et al.
Implanted bipolar technology in 4H-SiC2000
Professor Nick Wright
Dr Christopher Johnson
Professor Anthony O'Neill
Dr Alton Horsfall
Dr Sylvie Ortolland
et al.
Implanted bipolar technology in 4H-SiC2000
Dominique Morrison
Professor Nick Wright
Dr Sylvie Ortolland
Dr Christopher Johnson
Professor Anthony O'Neill
et al.
Low temperature annealing of 4H-SiC Schottky diode edge terminations 4 formed by 30 keV Ar+ implantation2000
Professor Nick Wright
Dr Christopher Johnson
Professor Anthony O'Neill
Dr Alton Horsfall
Dr Sylvie Ortolland
et al.
Physical characterization of residual implant damage in 4H-SiC double implanted bipolar technology2000
Dr Christopher Johnson
Professor Anthony O'Neill
Dr Alton Horsfall
Dr Sylvie Ortolland
Kazuhiro Adachi
et al.
Physical characterization of residual implant damage in 4H-SiC double implanted bipolar technology2000
Dominique Morrison
Dr Christopher Johnson
Professor Nick Wright
Professor Anthony O'Neill
Surface preparation for Schottky metal - 4H-SiC contacts formed on plasma-etched SiC2000
Kazuhiro Adachi
Dr Christopher Johnson
Dr Sylvie Ortolland
Professor Anthony O'Neill
TCAD evaluation of double implanted 4H-SiC power bipolar transistors2000
Dr Sylvie Ortolland
Dr Christopher Johnson
4H-SIC SIT device for RF heating applications1999
Dominique Morrison
Professor Nick Wright
Dr Christopher Johnson
Professor Anthony O'Neill
Anomalous forward I-V characteristics of Ti/Au SiC Schottky barrier diodes1999
Dominique Morrison
Professor Nick Wright
Dr Christopher Johnson
Professor Anthony O'Neill
Anomalous forward I-V characteristics of Ti/Au SiC Schottky barrier diodes1999
Professor Nick Wright
Dr Christopher Johnson
Professor Anthony O'Neill
Cell geometry optimisation of 4H-SiC power UMOSFETs by electrothermal simulation1999
Professor Nick Wright
Dr Christopher Johnson
Professor Anthony O'Neill
Cell geometry optimisation of 4H-SiC UMOSFETs by electrothernal simulation1999
Professor Anthony O'Neill
Dr Christopher Johnson
Evaluation of 4H-SiC varactor diodes for microwave applications1999
Dr Christopher Johnson
Professor Anthony O'Neill
Mechanistic model for oxidation of SiC1999
Dr Sylvie Ortolland
Dr Christopher Johnson
Professor Nick Wright
Dominique Morrison
Professor Anthony O'Neill
et al.
Optimisation of a power 4H-SiC SIT device for RF heating applications1999
Dr Sylvie Ortolland
Dr Christopher Johnson
Dominique Morrison
Professor Anthony O'Neill
Optimisation of a power 4H-SiC SIT device for RF heating applications1999
Dr Christopher Johnson
Professor Anthony O'Neill
Oxidation modelling for SiC1999
Professor Nick Wright
Dr Christopher Johnson
Professor Anthony O'Neill
Oxidation modelling for SiC1999
Professor Paul Acarnley
Dr Chris French
Dr Christopher Johnson
Real-time Thermal Management of Power MOSFETs in a Motor Drive System1999
Kazuhiro Adachi
Dr Christopher Johnson
Dr Sylvie Ortolland
Professor Nick Wright
Professor Anthony O'Neill
et al.
TCAD evaluation of double implanted 4H-SiC power bipolar transistors1999
Dominique Morrison
Dr Christopher Johnson
Professor Anthony O'Neill
Dr Sylvie Ortolland
The effect of annealing on argon implanted edge terminations for 4H-SiC Schottky diodes1999
Professor Volker Pickert
Dr Christopher Johnson
Three-phase soft-switching voltage source converters for motor drives. Part 1: Overview and analysis1999
Dr Christopher Johnson
Professor Volker Pickert
Three-phase soft-switching voltage source converters for motor drives. Part 2: Fundamental limitations and critical assessment1999
Professor Volker Pickert
Dr Christopher Johnson
DSP controlled auxiliary resonant commutated pole inverter without switch status sensors1998
Professor Nick Wright
Dr Christopher Johnson
Professor Anthony O'Neill
Sulphur based surface passivation for high voltage GaAS Schottky diodes1998
Professor Volker Pickert
Dr Christopher Johnson
Three-phase resonant converters: An overview1997
Professor Volker Pickert
Dr Christopher Johnson
Three-Phase Resonant Converters: An Overview1997
Professor Volker Pickert
Dr Christopher Johnson
Assessment of Resonant Converters for Induction Motor Drives Applications up to 100kW1996