Previous Group Members

Dr Han Wu

Han did her PhD in Chemical Engineering at the University of Sheffield and then spent three months as a postdoc in Prof. West´s laboratory before moving to University College London as a postdoc with Profs Alan Jones (Chemical Engineering) and Sally Price (Chemistry).

Publications

Polymorphism, Phase Transitions, and Thermal Stability of L-Pyroglutamic Acid, Han Wu, Nik Reeves-McLaren, Jan Pokorny, Jack Yarwood and Anthony R West, Crystal Growth and Design, 10, 3141-3148 (2010)
Phase Transformations of Glutamic Acid and Its Decomposition Products, Han Wu, Nik Reeves-McLaren, Simon Jones, Radoljub I. Ristic, J. Patrick A. Fairclough, and A.R. West, Crystal Growth and Design, 10, 288-994 (2010)
Thermally-Induced Homogeneous Racemization, Polymorphism, and Crystallization of Pyroglutamic Acid, Han Wu, and Anthony R West, Crystal Growth and Design, 11 (8), 3366–3374 (2011)
Synthesis, crystallization and characterization of diastereomeric salts formed by ephedrine and malic acid in water, Han Wu, Anthony R. West, Martin Vickers, David C. Apperley, Alan G. Jones, Chemical Engineering Science, 77, 47–56 (2012)
Crystal structure determination by combined synchrotron powder X-ray diffraction and crystal structure prediction: 1 : 1 L-ephedrine D-tartrate, Han Wu, Matthew Habgood, Julia E. Parker, Nik Reeves-McLaren, Jeremy K. Cockcroft, Martin Vickers, Anthony R. West and Alan G. Jones, CrystEngComm, DOI: 10.1039/c2ce26097b (2012)

Jesus Gutierrez Lopez

email : jglopez@ing.uc3m.es

Jesus graduated from Universidad Carlos III de Madrid in 2007 in Industrial Engineering. He's currently doing a PhD at the same university in the fabrication of Ni-Zn ferrite by different methods (powder injection moulding, cold isostatic pressing, solar sintering).

In 2010 he spent three months at the University of Sheffield characterising these materials by impedance spectroscopy.

Blanca Arias Serrano

email : barias@ing.uc3m.es

Blanca is currently doing a PhD at Carlos III University in Madrid Focussing on the processing by Powder Extrusion Moulding of SOFC anode component, Ni-YSZ cermet.

Last year she spent 3-months on placement at the University of Sheffield characterising the systems Pr-doped BaCeO3 and BaZrO3 because of the potential solid electrolyte and mixed conductor applications.

Dr Mohd Sobri Idris

email : sobri@unimap.edu.my

Sobri completed his PhD in May 2011 working on cathode materials with layered rock salt structures for lithium ion battery applications. He is now at the University Malaysia Perlis (UNIMAP) as a lecturer in the School of Materials Engineering.

Dr Rozana Osman

Rozana completed her PhD in May 2011 working on a project entitled synthesis and characterisation of novel electronic ceramics. The highlight of her thesis was development of impedance methods to characterise relaxor materials in the bismuth zinc niobate family and in particular to develop an equivalent circuit representation of the variable frequency electrical properties. She is now a lecturer in the School of Materials Engineering at University Malaysia Perlis (UNIMAP).

Publications

Electrical characterization and equivalent circuit analysis of (Bi1.5Zn0.5)(Nb0.5Ti1.5)O7 Pyrochlore, a relaxor ceramic, Rozana A M Osman, and Anthony R West, J Appl Phys, 109, 074106 (2011)

Dr Qi-Long Zhang

email : mse237@zju.edu.cn

Qilong is an associate professor in the Department of Materials Science and Engineering(MSE), Zhejiang University, China. He spent one year at the University of Sheffield 2010/2011 as a visiting scholar and obtained one publication so far on non-ohmic resistivity in acceptor-doped CaTiO₃.
His current research topics focus on (1) Structures and properties of microwave and ferroelectric ceramics; (2) LTCC materials for RF/microwave applications; (3)Sol-gel synthesis of powders, nano particles and nanocrystalline materials.

Publications

Voltage-dependent low-field resistivity of CaTiO₃:Zn ceramics, Qi-Long Zhang, Nahum Masó, Yang Liu, Hui Yang and Anthony R. West, J. Mater Chem, 21, 12894-12900
(2011)

Mei Guo

email : guomei511@gmail.com

Mei is a PhD student of the Department of Electronic Science And Technology, Huazhong University of Science and Technology, P. R. China. She spent 18 months in the Department of Materials Science and Engineering at the University of Sheffield as a visiting student. Her PhD research topics focus on (1) LTCC materials for microwave applications; (2) Computational Materials Science and Simulation.

Jordi Jacas

Dr Jordi Jacas Biendicho

email : jordijacasb@hotmail.com

Jordi completed his PhD in July 2010 working on impedance characterisation of different electrode materials for lithium-ion batteries. He is currently doing a postdoc at Stockholm University (Sweden) in collaboration with ISIS (UK) with the aim to develop a new in situ electrochemical cell for neutron diffraction. He is also interested in the synthesis and characterisation of new energy materials for secondary batteries and fuel cells.

Publications

Impedance characterisation of LiFePO₄ ceramics, Jordi Jacas Biendicho and Anthony R. West, Solid State Ionics, 226, 41-52 (2012)
Thermally-induced cation disorder in LiFePO₄, Jordi Jacas Biendicho and Anthony R. West, Solid State Ionics, 203, 1, 33-36 (2011)

Ian Chen

Dr Yao-Chang (Ian) Chen

email: ianchen74@gmail.com

Ian completed his PhD in Dec. 2011 under Prof. West’s supervision working on Li rare earth-based oxide materials for lithium-ion batteries. He is interested in crystal structure solution and determination of materials, and renewable energy materials.

Publications

Synthesis and Characterization of Li₁₁Nd₁₈Fe₄O_39-δ, Inorg. Chem., 2012, 51, 8073-8082.

Dr Emina Hadzifejzovic

email: emina.hadzifejzovic@chem.ox.ac.uk

Emina was awarded her PhD from Queen Mary, University of London in 2003 with the thesis entitled ″Structural, Thermal and Electrical investigations of Li conducting Phosphate based Glasses and Glass Ceramics for Li Ion Battery applications″. Since then, Emina worked on various projects at several academic institutions including UCL, Glasgow and Oxford University.

Currently Emina works as a Research Associate in the group of Professor West on the project related to Lithium Rechargeable Batteries. The project is focused on development and optimisation of structural, electrical and electrochemical performance of electrode materials for lithium rechargeable batteries.

Selected Publications

Toks Fowowe, Emina Hadzifejzovic, Jingping Hu, John S. Foord, Daren J. Caruana, “Plasma Electrochemistry: Development of a Reference Electrode Material for High Temperature Plasma”, Advanced Materials, Article first published online: 13 Sept. 2012, DOI: 10.1002/adma.201202411
E. Hadzifejzovic, A. Elahi, D.J. Caruana, ‘Control of oxidation state of copper in flame deposited films’, Thin Solid Films 520 (2012) 5254–5259
E. Hadzifejzovic, J. Gallagher, I. MacLaren, D. H. Gregory, ‘Synthesis and characterisation of TiO2 of monodisperse Rutile spheres’, in press
P. Shepard, D. Thomas, I. Harrison, R. Lynch, L. Clark, S. Hellston, E. Hadzifejzovic and D. Gregory, “Effects of Trigger on the 26th PIN Lightning Arrester Connector”, 29th International Conference on Lightning Protection ICLP2008, Uppsala, Sweden, June 2008, Paper No. 1a-6
Emina Hadzifejzovic, Jovan Stankovic, Steven Firth, Paul F. McMillan and Daren J. Caruana, ‘Plasma electrochemistry: electroreduction in a flame’ Phys. Chem. Chem. Phys., 2007, 9, 5335 – 5339
E. Hadzifejzovic, J. A. Sanchez Galiani and D. J. Caruana, ‘Potential Measured at Boron Doped Diamond and Platinum in Gaseous Electrolyte’, Phys. Chem. Chem. Phys., 2006, 8, 2797–2809
Abrahams I. and Hadzifejzovic E. (2006) Lithium Phosphate Based Glasses as Electrolytes for Li-ion Batteries, in: Portable and Emergency Energy Sources (Eds. Z. Stoynov and D. Vladikova, Prof. Marin Drinov), Academic Publishing House, Sofia, Bulgaria. pp 257-282.
Isaac Abrahams, Emina Hadzifejzovic and Józef. R. Dygas, ‘Structural and electrical characterisation of Li2O ∶ TiO2 ∶ SnO2 ∶ P2O5 electrolyte glass’, Dalton Transactions, 2004, 3129 3136
J.R.Dygas, K.Pietrczuk, F.Krok, E.Hadzifejzovic, I. Abrahams, Molecular Physics Reports, 2002, 35, 150
I. Abrahams, E. Hadzifejzovic, Lithium ion conductivity and thermal behaviour of glasses and crystallised glasses in the system Li2O–Al2O3 –TiO2 –P2O5, Solid State Ionics, 2000, 134, 249