High-Field Superconductors under Strain that Enable Spherical Tokamaks for Fusion Power Generation (Experimental PhD).

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In this PhD research programme, the student will measure both the fundamental and extrinsic properties of superconducting materials including the critical current density JC(B(?),T, ?,). Important research questions include: What is the mechanism that determines the critical current in high magnetic fields of high temperature superconductors? How can we optimise HTS materials to enable commercial fusion energy ? What is the role of anisotropy/reduced dimensionality in these materials? Why is the critical current density in state-of-the-art materials 2 or 3 orders of magnitude lower than the theoretical limit in high magnetic fields? Can we understand the nature of flux pinning and flux flow in high Jc materials under strain ? The student will network with scientists throughout the world working on fusion. The PhD supervisory team will include Prof. Damian Hampshire who is an experienced member of the highfield applied superconductivity and fusion energy community. The 4 year PhD is funded through the Fusion CDT partnership which gives an excellent exposure to many of the best Universities in the UK, an excellent taught course in fusion energy and exposure to the fusion community across Europe. The PhD is formally based at Durham for access to high magnetic fields and cryogenic facilities, but the training in the fusion CDT means you spend about 6-8 months during the first year of your PhD at CDT partner Universities and will include regular visits to CCFE. It will also probably involve working in an International laboratory (usually the USA, Japan or EU) for at least one collaborative project in the 2nd or 3rd year. The Research Groups are committed to developing an environment that produces world-class science and is inclusive, flexible and family-friendly.