Browse by University and Academic Department

A

ALANAZI, MESHARI DHAIFALLAH N (2022) Design and Measurement of mm-wave Dielectric Resonator Antennas with Improved Performance. PhD thesis, University of Sheffield.

B

Bailey, Nicholas James ORCID: https://orcid.org/0000-0001-8131-8544 (2022) Growth optimisation of III-V semiconductors using bismuth as a surfactant and a constituent. PhD thesis, University of Sheffield.

C

Chen, Chen ORCID: https://orcid.org/0000-0002-5161-8973 (2022) Tractable Performance Analysis for Outdoor and Indoor 3D Small-cell Networks. PhD thesis, University of Sheffield.

D

Du, Yangming ORCID: https://orcid.org/0000-0001-8082-172X (2022) Characterisation of Polarization Super-Junction Power devices in Gallium Nitride. PhD thesis, University of Sheffield.

E

Eissa, Mohammad Rahman ORCID: https://orcid.org/0000-0002-5584-5815 (2022) Translational technology in type 1 diabetes to help optimise glycaemic control and sustain behaviour change. PhD thesis, University of Sheffield.

Esendag, Volkan ORCID: https://orcid.org/0000-0002-4483-8759 (2022) Advanced characterisation of novel III-nitride semiconductor based photonics and electronics on polar and non-polar substrates. PhD thesis, University of Sheffield.

F

Feng, Peng (2022) A Direct Epitaxial Approach to Achieving Ultrasmall and Ultracompact III-Nitride Micro-LED Arrays. PhD thesis, University of Sheffield.

Fletcher, Peter (2022) Design, growth and fabrication and characterisation of InGaN Micro Light Emitting Diodes using a Direct Epitaxial Approach. PhD thesis, University of Sheffield.

Fu, Hao (2022) Energy Efficiency of Ultra-Dense Small Cell Radio Access Networks for 5G and Beyond. PhD thesis, University of Sheffield.

G

Godsland, Max (2022) Characterisation and Nanophotonic Device Integration of Droplet Epitaxy Quantum Dots Emitting in the Telecom C-Band. PhD thesis, University of Sheffield.

H

Haggar, Jack Ivan Holly ORCID: https://orcid.org/0000-0001-5198-6445 (2022) High modulation bandwidth optoelectronic devices with multi-Gb/s data transmission rates for visible light communications. PhD thesis, University of Sheffield.

Hu, Bintao ORCID: https://orcid.org/0000-0003-4821-0448 (2022) Resource Allocation Optimisation for Vehicle-to-Everything Communications Underlaying Cellular Networks. PhD thesis, University of Sheffield.

J

Ji, Yuting (2022) Characterisation of AlInAsSb Photodiodes and Type-II InGaAs/GaAsSb Superlattice Photodiodes. PhD thesis, University of Sheffield.

Jin, Xiao ORCID: https://orcid.org/0000-0002-7205-3318 (2022) Impact Ionization In AlGaAsSb Avalanche Photodiodes. PhD thesis, University of Sheffield.

K

Kumar, Rajesh (2022) Transverse Flux Permanent Magnet Machines for Wind Power Application. PhD thesis, University of Sheffield.

L

Lewis, Harry Ian James ORCID: https://orcid.org/0000-0003-4698-4300 (2022) Impact Ionisation in Wide Band-Gap III-V Quaternary Alloys. PhD thesis, University of Sheffield.

Liang, Dawei ORCID: https://orcid.org/0000-0002-1574-9810 (2022) Critical Temperature Estimation for Permanent Magnet Synchronous Machines. PhD thesis, University of Sheffield.

M

martinez de arriba, Guillem (2022) Fabrication and characterisation of microcavity based III-nitride optoelectronics on a microscale. PhD thesis, University of Sheffield.

P

Pinchbeck, Joseph (2022) Fabrication of High Speed GaN-based Transistors and DC-to-DC Converters. PhD thesis, University of Sheffield.

Q

Qi, Ji ORCID: https://orcid.org/0000-0003-3018-7788 (2022) Electromagnetic Performance of Consequent Pole Permanent Magnet Machines, with Particular Reference to Analysis and Minimization of Torque Ripples. PhD thesis, University of Sheffield.

S

Shao, Bo ORCID: https://orcid.org/0000-0003-4476-1293 (2022) Direct Torque Control of Dual Three Phase Permanent Magnet Synchronous Machine Drives with Particular Reference to Reduction of Current Harmonics and Torque Ripples. PhD thesis, University of Sheffield.

Stuart, Mary Barbara ORCID: https://orcid.org/0000-0002-3187-9164 (2022) Novel spectral imaging instrumentation for environmental sensing in extreme environments. PhD thesis, University of Sheffield.

Sundeep, Shubham ORCID: https://orcid.org/0000-0001-7278-7613 (2022) Peak Voltage Stress in Inverter-Fed Machines and its Mitigation Measures. PhD thesis, University of Sheffield.

T

Taylor-Mew, Jonathan ORCID: https://orcid.org/0000-0002-0895-2968 (2022) Characterisation and Simulation of Linear and Geiger Mode Avalanche Photodiodes. PhD thesis, University of Sheffield.

Thakur, Sumeet Singh (2022) Modelling, Control and Optimisation of Low Capacitance Modular Multilevel Converters. PhD thesis, University of Sheffield.

Tian, Ye (2022) Fabrication and Characterisation of Nitride DBRs and Nitride Membranes by Electrochemical Etching Techniques. PhD thesis, University of Sheffield.

W

Wang, Chufan ORCID: https://orcid.org/0000-0002-0991-8534 (2022) Development of telecom wavelength InAs Quantum Dot lasers by MOCVD. PhD thesis, University of Sheffield.

Wang, Yunbai ORCID: https://orcid.org/0000-0002-1357-5255 (2022) Performance Analysis of Indoor Small-Cell Networks with Interior Wall Blockages. PhD thesis, University of Sheffield.

Wang, Zeyuan ORCID: https://orcid.org/0000-0001-9050-1826 (2022) A grid-tied large-scale battery energy storage system: modelling from the pack level to the cell level. PhD thesis, University of Sheffield.

Wang, Zhuo ORCID: https://orcid.org/0000-0002-0666-3724 (2022) Data-driven state estimation of large-scale battery systems. PhD thesis, University of Sheffield.

Wei, Fangrui ORCID: https://orcid.org/0000-0003-2919-1149 (2022) Investigation of flux-reversal PM machines with/without would field excitation. PhD thesis, University of Sheffield.

Worthy, Henry (2022) Novel Transfer Printing Techniques for Semiconductor Device Fabrication. PhD thesis, University of Sheffield.

X

Xia, Bing ORCID: https://orcid.org/0000-0002-1695-3012 (2022) Investigation of Ray Launching and Machine Learning based Radio Propagation Models for Various Coverage Prediction Scenarios. PhD thesis, University of Sheffield.

Xu, Fan (2022) Investigation of High-Speed Permanent Magnet Motors with Toroidal Windings. PhD thesis, University of Sheffield.

Xu, Jin (2022) Voltage modulation constraint on harmonics and asymmetry regulation in dual three-phase PMSM drives. PhD thesis, University of Sheffield.

Xu, Lei ORCID: https://orcid.org/0000-0002-1069-7097 (2022) Novel Pulse Width Modulation and Control Strategies for Open Winding Permanent Magnet Synchronous Machines. PhD thesis, University of Sheffield.

Y

Yan, Hongyang ORCID: https://orcid.org/0000-0002-0300-722X (2022) Investigation of Gallium Nitride Based on Power Semiconductor Devices in Polarization Super Junction Technology. PhD thesis, University of Sheffield.

Yan, Luocheng ORCID: https://orcid.org/0000-0001-7665-4228 (2022) Control of current harmonics in dual three-phase permanent magnet synchronous machine systems. PhD thesis, University of Sheffield.

Yang, Songjiang ORCID: https://orcid.org/0000-0002-9052-9092 (2022) Channel Model and Performance Analysis of Millimetre-wave UAV Air-to-Ground Link under UAV Wobbling. PhD thesis, University of Sheffield.

Yang, Wenfei ORCID: https://orcid.org/0000-0002-1676-4588 (2022) Wireless performance analysis of buildings for indoor communications. PhD thesis, University of Sheffield.

Yin, Yidi (2022) Fabrication and characterization of GaN-based lateral and vertical transistors for switching applications. PhD thesis, University of Sheffield.

Z

ZHANG, JUNWEI (2022) Multi-Beam Multiplexing Design Based on Hybrid Beamforming Structures. PhD thesis, University of Sheffield.

Zhang, Yixin ORCID: https://orcid.org/0000-0003-3033-3618 (2022) Wireless Friendliness Evaluation of Building Materials as Reflectors. PhD thesis, University of Sheffield.

Zhou, Longqi (2022) Fabrication, Characterisation and Applications of Mid-Infrared Quantum Cascade Lasers. PhD thesis, University of Sheffield.

Zhu, Chenqi ORCID: https://orcid.org/0009-0007-5759-5382 (2022) MOCVD Growth and characterisation of III-nitride semiconductor materials for monolithically integrated optoelectronics. PhD thesis, University of Sheffield.

Zhu, Tianyi (2022) Investigation of Stator Mounted Permanent Magnet Machines. PhD thesis, University of Sheffield.