Sentences with phrase «for skyrmion»

For skyrmion - based racetrack memories to compete with current technologies, skyrmions must be small and move quickly and easily through a material.
Physicists are now on the hunt for skyrmions within a different realm: antiferromagnetic materials.

Not exact matches

Incredibly tiny and tough to undo, magnetic skyrmions could help feed humankind's hunger for ever - smaller electronics.
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.
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.
Another idea is to use skyrmions for biologically inspired computers, which attempt to mimic the human brain (SN: 9/6/14, p. 10).
At the same time, researchers are chasing after new kinds of skyrmions, which may be an even better fit for data storage.
«The type of skyrmions you get is related to the crystal structure of the materials,» says physical chemist Claudia Felser of the Max Planck Institute for Chemical Physics of Solids in Dresden, Germany.
Instead, skyrmions might be useful in devices meant for performing calculations.
Because they're stable, only a few nanometers in size, and need just small electric currents to transport them, skyrmions hold potential as the basis for ultra-compact and energy - efficient information storage and processing devices in the future.
«We have also shown that the dynamic skyrmions can generate much stronger output in spintronic oscillators, so the potential use for this new phenomenon is great,» he says.
«Skyrmions à la carte: Magnetic vortices for the IT of the future.»
«Since there is an insatiable appetite for storing information, for uses such as mobile phones, computers, and particularly online, nano - skyrmions are very interesting as an information carrier,» Åkerman says.
«Our study provides the experimenters with recipes for making skyrmions à la carte,» explained Bertrand Dupé.
Like the skyrmion itself, the scientists realized, the imitation magnetic field was knotted, and it matched the interlinked rings of magnetic fields proposed for ball lightning.
Because the mode frequencies of skyrmions are in the microwave range, the quasi-particles could be used for new microwave nano - oscillators, which are important building blocks for microwave integrated circuits.
Once created, they can be transported over distances of several hundreds nanometers, which means that skyrmions can be created and manipulated in materials that have never before been considered for skyrmionics.
Scientists have unlocked the secret to creating stable dynamic skyrmions — the nanoscale magnetic whirls that promise to meet our insatiable appetite for data storage.
For sufficiently large currents, this setup will allow the creation of a skyrmion of 10 - 20 nanometers in size, underneath the nanocontact.
These features have made the skyrmions attractive targets for research into high - capacity memory devices.
One concept zips skyrmions around a loop then past a stationary read / write head to eliminate the need for mechanical components used in today's hard drives.
Aurelien Manchon, an Associate Professor of Material Science and Engineering at the University, notes that one of the main reasons for the appeal of skyrmions is their ability to avoid defects or uneven patches in thin films that would normally trap or «pin» a magnetic charge.
Skyrmions, for example, are a kind of nanomagnet, composed of a spin - correlated ensemble of electrons acting as a topological magnet on certain microscopic surfaces.
Schematically, skyrmions are pseudo-nanoparticles (see figure), which are expected to be very important for storing and processing information in computers.
These chiral skyrmions have dimensions significantly larger than the lattice constant, are topologically protected, and may have applications in spintronics and novel devices for information storage.
Researchers at UCLA and the U.S. Department of Energy's Argonne National Laboratory announced today a new method for creating magnetic skyrmion bubbles at room temperature.
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).
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.
a b c d e f g h i j k l m n o p q r s t u v w x y z