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Joseph Askey

Research student, School of Physics and Astronomy

I received my BSc (Hons) in Physics from the University of Bristol in 2017, and my MSc in Physics from Cardiff University in 2018.

I am currently a PhD student (2018-2022) studying non-linear optical fabrication and characterisation techniques and how these can be applied to nanostructured magnetic and artificial biological systems, under the supervision of Dr. Sam Ladak and Prof. Wolfgang Langbein. 

I tutor and demonstrate on MSc level modules PXT101/201, PXT102/202 and PXT103 with Dr. Richard Lewis and Dr. Paul Roche. 

Research interests

My work currently focuses on: 

  • Nanostructured 3D magnetic systems including nanowires, nanotubes and more complex 3D geometries 
  • Non-linear optical techniques for the fabrication and characterisation of polymers and magnetic systems 
  • Electrochemistry and its application to magnetic nanostrucutre fabrication 
  • Micro-magnetic simulations 

Specifically I use the following techniques in my research:

  • UV lithography 
  • Two-photon lithography
  • Magneto-optical Kerr effect (MOKE) magnetometry
  • Electrochemical and electroless deposition 
  • Scanning electron microscopy (SEM)
  • Quantitative differential interference contrast (qDIC) imaging 
  • Finite difference micro-magnetic modelling (e.g MuMax)

Publications

  • Hunt, M.; Taverne, M.; Askey, J.; May, A.; Van Den Berg, A.; Ho, Y.-L.D.; Rarity, J.; Ladak, S. Harnessing Multi-Photon Absorption to Produce Three-Dimensional Magnetic Structures at the Nanoscale. Materials 202013, 761.

Teaching

I assist teaching, lead sessions, mark and demonstrate on the following modules:

  • PXT101/201 - Advanced Experimental Techniques in Physics (2018-present)
  • PXT102/202 - Study and Research Skills in Physics (2018-present)
  • PXT103 - Advanced LabVIEW Programming for Physicists (2018-present)