LONDON: In solid state devices, the study of electron’s spin manipulated by both magnetic and electric fields is known as Spintronics or Spin Electronics. This technology is already being used to create advanced data storage memory devices. An engineering research group from Chalmers University of Technology at Sweden seems to have uncovered a concept that leads the use of Graphene, an allotrope of Carbon, to develop Spintronics in a way that could help us develop highly efficient processing and memory devices in future computers. Their recent research work suggest that Graphene can preserve the spin of electrons over an extended period of time as well as communicate it to bigger distances than what was possible till date.
Led by Saroj Dash, the team of researchers from Chalmers University believe that the greater the use of spintronics in our electronic devices, the faster and lesser energy consuming electronics can be developed. Therefore, they set out to explore the possibilities of Graphene, a superior conductor of electricity, as a carrier of information and not just electric charges. The thin sheet of graphene can be used to make electrons travel several tens of micrometers so that future spin-based devices can be developed. The team used chemical vapour deposited (CVD) Graphene for their experiments which gave the material various defects and made it rough. Using the large area graphene, the research group can demonstrate 6 times higher parameters of spin as compared to any other CVD graphene on a similar substrate.
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