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Programmable Lab-on-chip Devices in Magnetic MEMS for Medical Diagnostics and Biotechnology

Department of Electronic & Electrical Engineering

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Dr Ali Mohammadi No more applications being accepted Self-Funded PhD Students Only

About the Project

Informal enquiries: Dr Ali Mohammadi ([Email Address Removed])

Miniaturisation of sensors and actuators in micro-electromechanical systems (MEMS) has greatly benefitted many modern technologies including smart phones, medical devices and implants, high precision sensors etc. Magnetic microtransducers offer additional desirable features including operation in conducting media, which add significant functionality compared with other transduction mechanisms. Example applications include high throughput microfluidic chips, which drastically speed up single-cell array analysis for cancer diagnostic assays and biotechnology.

We have recently demonstrated proof-of-concept for a novel integrated and localised magnetic annealing process that offers a low-cost programming technique for MEMS transducers. This innovative work exploits the temperature dependence of magnetic domains to program the magnetic microtransducers the same way digital data is stored on magnetic media such as computer hard disks. The proposed project will build on this advance to deliver magnetically programmable microfluidic prototypes such as micropumps and microvalves for lab-on-chip applications.

The PhD student will join the team of academics, postdoctoral researchers technicians and industry advisors with access to cutting edge laboratory equipment, microfabrication technologies and CAD tools available in the Department of Electrical and Electronic Engineering and the David Bullett Nanofabrication Facility ( as well as external microfabrication foundries. The prospective student will travel to national and international conferences to communicate the research results within the Engineering and Physics communities and to the end-users in Medical Science and Biotechnology.

This project is highly recommended for students with Physics or Engineering background. The project will be supervised by Dr Ali Mohammadi in the Department of Electronics and Electrical Engineering, and Professor Simon Bending in the Department of Physics.

Applicants should hold, or expect to receive, an undergraduate Masters first class degree or MSc distinction (or non-UK equivalent) in Physics or Engineering. English language entry requirements must be met at the time of application to be considered for funding, see

Formal applications should be made via the University of Bath’s online application form for a PhD in Electronic & Electrical Engineering. Please ensure that you state the full project title and lead supervisor name on the application form.

More information about applying for a PhD at Bath may be found here:

Anticipated start date: TBC

Funding Notes



A. Mohammadi, et al. “A post-fabrication selective magnetic annealing technique in standard MEMS processes” Appl. Phys. Lett. 109, 221906 (2016); doi: 10.1063/1.4971262

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