Researchers from Cambridge College have discovered a novel method to not simply improve the storage capacities of conventional arduous disk drives (HDD), but in addition make them extra dependable.
The breakthrough was achieved by the Cambridge Graphene Heart along with researchers from the College of Exeter, India, Switzerland, Singapore, and the US, utilizing graphene, typically touted as a miracle materials for its distinctive properties.
The researchers changed the carbon-based overcoat (COC) on a number of arduous drives that helps shield drive platters from mechanical damages and corrosion with layers of graphene.
Moreover, the group additionally leveraged graphene’s warmth resistance properties along with the Warmth-Assisted Magnetic Recording (HAMR) know-how that permits disk platters to carry extra information when heated.
“Demonstrating that graphene can function protecting coating for standard arduous disk drives and that it is ready to face up to HAMR situations is an important consequence. It will additional push the event of novel excessive areal density arduous disk drives,” mentioned Dr Anna Ott from the Cambridge Graphene Centre, one of many co-authors of this research.
The researchers be aware that COC occupies a big a part of the spacing within the disks, and at the same time as the information density of HDDs has quadrupled since 1990, the thickness of the COC has diminished from 12.5nm to round 3nm.
Primarily based on their calculations, the researchers consider that this interprets to storage densities of about one terabyte per sq. inch.
Utilizing graphene along with HAMR permits the group to push this determine by an element of ten. Of their analysis they had been capable of obtain storage densities between 4 and ten terabytes per sq. inch.
The analysis additionally confirmed one other benefit of utilizing the graphene coating, as the fabric provided higher corrosion safety, and put on resistance than the present state-of-the-art options. The truth is, the researchers discovered a single layer of the surprise materials diminished corrosion by 2.5 occasions.
“Contemplating that in 2020, round 1 billion terabytes of recent HDD storage was produced, these outcomes point out a route for mass utility of graphene in cutting-edge applied sciences,” famous Professor Andrea C. Ferrari, Director of the Cambridge Graphene Centre.
By way of Engadget