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  ,  Friday, July 22, 2022  Funded PhD Project (Students Worldwide)

About the Project

New technologies for digital X-ray sensors are currently revolutionising many aspects of public health and security, from medical imaging systems to the latest “3D” X-ray scanning technology used in airports. In this research project you will develop perovskite-based radiation detectors for use in X-ray and gamma imaging detectors for security applications. The security market uses imaging detectors for portal scanners, eg to interrogate persons or vehicles in the search for illicit nuclear materials. Perovskite scintillators are high-Z materials which unique radioluminescence properties, which offer energy discrimination and improved sensitivity for X-ray and gamma rays compared to traditional plastic scintillators.

The team at Surrey has recently demonstrated the performance of new perovskite scintillator materials which have excellent properties for use as radiation scintillators, combining a high radioluminescence light yield, high material density, good optical transparency due to a high Stoke’s shift, and a fast response time. In this project you will develop prototype perovskite scintillator imaging detectors fabricated from perovskite materials synthesised in the group. The research will characterise the fundamental optical properties of these new materials and demonstrate their performance in prototype X-ray and gamma ray imaging detectors.

The research project will combine the study of the perovskite scintillator materials with the development of prototype radiation imaging detectors to demonstrate the performance of these materials as real imaging devices. Using the group’s X-ray facilities and optical imaging cameras, the spatial resolution and imaging quality of the materials will be measured. This multi-disciplinary research project will benefit from the excellent material characterisation facilities in the Chemistry and Materials Science departments, for example using Photoluminescence, Raman, Dynamic Light Scattering, SEM/TEM and XRD.

This project is ideal for a Physics graduate with an enthusiasm for experimental research, with either a Batchelors or Masters degree. Students with equivalent backgrounds in chemistry or materials science will also be considered.

Supervisors: Prof Paul Sellin, Dr Carol Crean

This project is open to UK and international students starting in October 2022.

More about the Radiation and Medical Physics research group.

Entry Requirements

Physics BSc or MPhys, at upper Second or First. Related disciplines in chemistry or materials science. 

English language requirements: IELTS minimum 6.5 overall with 6.0 in Writing, or equivalent

How To Apply

Applications should be submitted via the Physics PhD programme page on the "Apply" tab.

In place of a research proposal you should upload a document stating the title of the project that you wish to apply for and the name of the relevant supervisor.

Funding Notes

Standard student stipend at UKRI rates for 3 yrs, full tuition fees, £1000 per annum research training support. Funded by the University of Surrey.

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