Soon you may be able to use your smartphone on your wrist or bend your computer to fit in your pocket!
Researchers have taken a step towards more flexible devices by fabricating a thin film that keeps her even when very curved electric and magnetic properties useful.Flexible electronics have been difficult to manufacture because many materials with useful electronic properties tend to be rigid.
Researchers have addressed this problem by taking small pieces of material such as silicon and embedded in the flexible plastic.
A team of physicists and engineers from South Korea took the same approach with bismuth ferrite (BiFeO3) - one of the most promising materials whose properties can be controlled with a magnetic field, and vice versa.
These materials are called multiferroic and attract interest for applications such as energy efficient, instant-on computing.
The researchers synthesized bismuth ferrite nanoparticles and mixed in 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 electrical and magnetic properties of the film they found that their new material did much more than preserving the useful properties of bismuth ferrite more - it actually made them better.
And the improved properties are maintained even when the film curled into a cylindrical shape.
"Bulk bismuth ferrite is crucial problems for some applications, such as a high leakage current hampering strong electrical properties," said YoungPak Lee, a professor at Hanyang University in Seoul, South Korea.
Mixed bismuth ferrite nanoparticles in an improved polymer leakage current problem, he said, and gave the film, flexible tensile properties.
Flexible Multiferrorics could allow new portable devices such as surveillance equipment health or virtual reality attire, Lee said.
The multiferroric materials could be used in high density, energy efficient memory and switches on these devices, he said.
The research was published in the journal Applied Physics Letters.
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