A team of researchers from the AMBER centre at Trinity College Dublin (TCD) are behind the discovery of a new magnetic material they claim will revolutionise the ICT sector.
The material is made from an alloy of three metals, manganese, ruthenium and gallium (MRG), and is reportedly as strong as the strongest magnets available in the world today. However, it has the characteristic of not appearing magnetic at all to the untrained eye.
Known technically as 'zero-moment half metal', the material could potentially spawn a completely new line of materials research and open up numerous possibilities for electronics and information technology.
Led by Prof Michael Coey, the AMBER team said MRG has incredible potential and could lead to the possibility of limitless data storage, resulting in huge, superfast memory in personal computer devices. It could also eliminate the potential of external magnetic forces to ‘wipe’ computer data.
For 25 years, researchers worldwide have grappled with how to create a magnet such as MRG by trying to arrange numerous combinations of atoms in a way which was difficult without flouting the basic principles of physics.
Potential ‘big data revolution’
The AMBER research team claims to have solved this problem by using established industry-standard processes for making the electronic circuits on silicon chips, making it relatively easy for MRG to be adopted by computer and electronics companies.
Commenting on the discovery and its potential to lead a ‘big data revolution’, Coey said, “Magnetic materials are what make reading and storing data – either on personal devices or on large-scale servers in data centres – possible. Magnets are at the heart of every electronic device we use, from computers and laptops to tablets, smartphones and digital cameras.
“Given its unique insensitivity to magnetic fields, and the tenacity of its internal magnetic properties, MRG could now revolutionise how data is stored, which could have major implications for the future development of electronics, information technology and a host of other applications.”
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