«Our study provides the experimenters with recipes for
making skyrmions à la carte,» explained Bertrand Dupé.
These features have
made the skyrmions attractive targets for research into high - capacity memory devices.
To
make skyrmion bubbles, researchers crafted a setup made out of tiny, precise, layered structures made using a process called lithography at the Center for Nanoscale Materials, a DOE Office of Science user facility at Argonne.
Not exact matches
A magnetic structure proposed for the natural oddity known as ball lightning
makes an appearance in a newfound variety of a knotlike entity called a
skyrmion, a team of scientists reports.
One possible issue: A
skyrmion's swirling pattern
makes it behave like a rotating object.
Although
skyrmions are
made up of atoms, which remain stationary within the material,
skyrmions can move around like a true particle, by sliding from one group of atoms to another.
As some try to shrink room - temp
skyrmions down, others are bringing them up to speed, to
make for fast reading and writing of data.
But physicists are now fashioning a new parallel system called spintronics — of which
skyrmions are a part — based on the motion of electron spin, that property that
makes atoms magnetic (SN Online: 9/26/17).
Although scientists now know how to
make room - temperature
skyrmions, the heat - tolerant swirls, tens to hundreds of nanometers in diameter, tend to be too big to be very useful.
To
make such a system work with
skyrmions, scientists need to
make the knots easier to wrangle at room temperature.
«Data storage of the future: Scientists crack secret of
making stable, dynamic
skyrmions.»
After an initial discovery in Germany, this is a field that has been widely studied in France, including by the Fert team, who recently demonstrated the possibility of occurrence of these
skyrmions at room temperature,
making even more likely their use in practice [2].
Scientists want to find a way to create 1 and 0 by using physics phenomena that don't actually change the atomic structure of the material — for example,
making a line of
skyrmions that could be read as 1s (
skyrmion) and 0s (no
skyrmion).
From left to right: Argonne researchers Wanjun Jiang, Suzanne G.E. te Velthuis, and Axel Hoffman published a new way to
make magnetic
skyrmion bubbles at room temperature.