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Overview
We have an exciting opportunity available for a Research Associate in Spin Polarisation Physics to join the POLARIS research group in the School of Medicine and Population Health at the University of Sheffield.
The successful candidate will undertake research into the physics and engineering of spin-exchange optical pumping (SEOP) used to produce hyperpolarised xenon-129 (129Xe) gas. The project is funded by an EPSRC research programme aimed at advancing the theoretical and experimental understanding of spin polarisation physics and improving the performance of hyperpolariser systems used in magnetic resonance imaging (MRI).
The post holder will investigate the underlying physical processes governing SEOP, including rubidium spin polarisation, vapour dynamics, and spin-exchange interactions with xenon nuclei. The research will combine theoretical modelling with experimental measurements using optical spectroscopy, magnetic resonance techniques, and newly developed instrumentation designed to probe the dynamics of SEOP systems.
The candidate will work closely with physicists and engineers within the POLARIS research group and collaborate with international academic and industrial partners. The work will contribute to the development of next-generation hyperpolariser technology and provide new insights into spin polarisation physics that are relevant to a wide range of applications including biomedical MRI, chemical physics and fundamental spin-based measurement technologies.
Main duties and responsibilities
- Conduct experimental and theoretical research to improve understanding of the physics underlying optically pumped spin systems used to produce hyperpolarised xenon gas.
- Develop and carry out laboratory experiments to study how light interacts with atomic vapours and how this affects the efficiency of spin polarisation.
- Design and perform optical and magnetic resonance measurements to investigate spin dynamics in alkali-noble gas systems.
- Analyse and interpret experimental results and develop models to explain differences between theoretical predictions and experimental observations.
- Work closely with other researchers in the group to integrate new experimental methods into hyperpolarised xenon production systems.
- Publish high-impact papers as a lead or contributing author.
- Present results to project collaborators, members of the research group and external audiences to disseminate and publicise research findings.
- As a member of staff, you will be encouraged to make ethical decisions in your role, embedding the University’s Sustainability Strategy into your working activities wherever possible.
- Carry out other duties commensurate with the grade and remit of the post.
Person Specification
Our diverse community of staff and students recognises the unique abilities, backgrounds, and beliefs of all. We foster a culture where everyone feels they belong and is respected. Even if your past experience doesn't match perfectly with this role's criteria, your contribution is valuable, and we encourage you to apply. Please ensure that you reference the application criteria in the application statement when you apply.
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Criteria |
Essential or desirable |
Stage(s) assessed at |
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Good Honours degree in Physics, Physical Chemistry, Engineering or a closely related discipline (or equivalent).
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Essential |
Application |
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A PhD in Atomic / Optical Physics, Magnetic Resonance, Spin Physics, or a closely related field (or equivalent).
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Essential |
Application |
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Extensive practical experience in experimental physics and instrumentation involving optical, atomic or magnetic resonance systems. |
Essential |
Application |
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Experience designing and conducting laboratory experiments |
Essential |
Application |
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Experience analysing experimental data using scientific programming tools (e.g. MATLAB, Python, or similar).
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Essential |
Application |
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Track record of scientific publications in peer-reviewed journals as first author.
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Essential |
Application |
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Ability to help supervise PhD students and researchers in experimental physics research. |
Desirable |
Interview |
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Experience of working collaboratively within a multidisciplinary research environment.
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Desirable |
Interview |
Further Information
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Grade |
7.5 – 7.11 |
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Salary |
£41,064 - £48,822 as per current university pay grades, with the potential to progress subject to performance |
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Work arrangement |
Full time |
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Duration |
1st November 2026 – 30th November 2030 |
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Line manager |
Professor &/or Senior Scientist &/or Research Fellow |
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Direct reports |
Professor &/or Senior Scientist &/or Research Fellow |
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Right to work in the UK |
If you do not currently hold the right to work in the UK, you can find more information here to help determine your visa eligibility. Additional guidance is also available on the UK Visa & Immigration website. |
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Our website |
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For informal enquiries about this job contact Jennifer Rodgers, Research Administrative Manager: on j.rodgers@sheffield.ac.uk or 0114 2159150
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Next steps in the recruitment process
It is anticipated that the selection process will take place shortly after the job closes. This will consist of an interview comprising a short presentation on the candidates’ research experience to date. If you need any support, equipment or adjustments to enable you to participate in any element of the recruitment process you can contact Jennifer Rodgers, Research Administrative Manager: on j.rodgers@sheffield.ac.uk or 0114 2159150
Our vision and strategic plan
We are the University of Sheffield. This is our vision: sheffield.ac.uk/vision (opens in new window).
What we offer
- A minimum of 41 days annual leave including bank holiday and closure days (pro rata) with the ability to purchase more.
- Flexible working opportunities, including hybrid working for some roles.
- Generous pension scheme.
- A wide range of discounts and rewards on shopping, eating out and travel.
- A variety of staff networks, providing opportunities for social interaction, peer support and personal development (for example, Race Equality, LGBT+, Women’s and Parent’s networks).
- Recognition Awards to reward staff who go above and beyond in their role.
- A commitment to your development access to learning and mentoring schemes; integrated with our Academic Career Pathways
- A range of generous family-friendly policies
- paid time off for parenting and caring emergencies
- access to menopause support in the workplace
- paid time off and support for fertility treatment
- and more
More details can be found on our benefits page: sheffield.ac.uk/jobs/benefits (opens in a new window).
We are a Disability Confident Leader (opens in a new window). If you have a disability and meet the essential criteria for this job you will be invited to take part in the next stage of the selection process.
Criminal record
A basic with barred lists DBS check will be needed for this role. More details on the checks can be found on the Government website: gov.uk/criminal-record-checks-apply-role (opens in a new window).
Possession of a criminal record is not an automatic bar to employment at the University of Sheffield. We recognise the value of steady employment in the rehabilitation process and examine each case in its own right. More information can be found on our Information for candidates page:- sheffield.ac.uk/jobs/candidates (opens in a new window).
We are a research university with a global reputation for excellence. Our ideas and expertise change the world for the better, making a real difference to society. We know that when people come together with different views, approaches and insights it can lead to richer, more creative and innovative teaching and research and the highest levels of student experience. Our University Vision (www.sheffield.ac.uk/vision) outlines our commitment to building a diverse community of staff and students that recognises and values the abilities, backgrounds, beliefs and ways of living for everyone.


