Wrap Your Smartphone Around Your Wrist Soon
Mobile News Imagine Wrapping Your Phone Around Your Wrist when you go for a jog or folding your computer to fit in a pocket.
Researchers from South Korea have taken a
new step toward more bendable devices by manufacturing a thin film that
keeps its useful electric and magnetic properties even when highly
curved paving the way for potential uses in wearable devices.
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A team of Physicists and engineers from South Korea took the same
approach with bismuth ferrite (BiFeO3) one of the most promising
materials whose electronic properties can be controlled by a magnetic
field and vice versa.
Such materials are called multiferroics and attract interest for applications like energy efficient, instant-on computing.
The researchers synthesised
nanoparticles of bismuth ferrite and mixed them into a polymer
solution. The solution was dried in a series of steps at increasing
temperatures to produce a thin, flexible film.
When the researchers tested the electric
and magnetic properties of the film, they found that their new material
did much more than preserving the useful properties of bulk bismuth
ferrite it actually made them better.
The improved properties remained even as
the film was curved into a cylindrical shape. “Bulk bismuth ferrite has
crucial problems for some applications such as a high leakage current
which hinders the strong electric properties,” said YoungPak Lee,
professor at the Hanyang University in Seoul South Korea Smart Phone News
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