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The University of Southampton
EngineeringPostgraduate study

SES-74-162 PhD Studentship: Simulation of next generation magnetic data storage media

Magnetism and technology exploiting magnetic effects are of great importance for the modern society: at the macro scale, magnets are used in energy generation, motors, and medical equipment. At the microscale, the combined advancement of magnetic data storage technology and silicon chips development has paved the way for the information age. High capacity magnetic data storage is essential in many commercial products, and underpins business models such as Google, YouTube, eBay and Amazon. Similarly, data-based initiatives such as Wikipedia (with substantial and mostly positive effects on societies' education) are only possible due to high capacity data storage.

This project will explore the next generation magnetic storage media. Currently, magnetic data is stored by changing the magnetisation of about 50 grains in the magnetic data storage medium on the platters of a hard disk drive using a magnetic field that emerges from the write-head. To maintain the exponential increase of storage capacity over time, this concept needs to be changed fundamentally, and in this research project we explore possible designs for this new technology by bringing together our skills in micromagnetic simulation and design optimisation. The project involves using and extending the finite element based micromagnetic simulation code "Nmag" ( written in Python.

If you wish to discuss any details of the project informally, please contact Prof Hans Fangohr, Computational Engineering & Design research group, Email: , Tel: +44 (0) 2380 598345.

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