When heat or a current is applied to the solid, the electrons» compasses get repositioned, creating
a magnetic spin wave that ripples through the solid.
Not exact matches
NMR machine use
magnetic fields and radio
waves to probe the
spins of atoms, and to change their orientation.
When the direction of the
magnetic field is altered, then for a specific direction the orientation of the
spin density
wave also changes abruptly.
NiO is a promising material for spintronic devices, where signals are transmitted not by electrical currents but rather by
spin waves, consisting of propagating disturbances in the ordering of
magnetic materials, in a domino - like fashion.
Because each
spin of a tetrahedron is also shared with a neighboring tetrahedron, the creation of
magnetic monopoles spreads around the crystal like a fans»
wave in a stadium, forming monopoles of opposite «
magnetic charge.»
The circuit is realized using
spin waves:
wave - like perturbations in the
magnetic properties of a material.
«First realization of an electric circuit with a
magnetic insulator using
spin waves.»
The
spin wave circuit that the researchers built, consists of a 200 nanometre thin layer of yttrium iron garnet (a mineral and
magnetic insulator, YIG in short), with a conducting platinum strip on top of that on both sides.
A
spin wave is caused by a perturbation of the local magnetisation direction in a
magnetic material.
This
spinning star emits radio
waves, which get rotated by the hole's
magnetic field (Nature, DOI: 10.1038 / nature12499).
As neutrons (blue line) scatter off the graphene - like honeycomb material, they produce a
magnetic Majorana fermion (green
wave) that moves through the material disrupting or breaking apart
magnetic interactions between «
spinning» electrons.
The findings, which have been submitted to Physical Review Letters for publication, demonstrate that by tweaking
magnetic field strength and cloud density the researchers can control how
spin waves evolve and take snapshots of every stage.
Researchers have known for some time that atoms can perform a bizarre trick called a
spin wave — the quantum equivalent of a sports audience's «
wave» — by varying the directions in which their
magnetic fields rotate.
(The image on the left shows a
spin wave in a rubidium gas parallel to an external
magnetic field; the picture on the right shows the
spin wave perpendicular to an external
magnetic field.
This novel material can conduct
magnetic waves (
spin waves) along their edges, without conduction through the bulk material.
The work builds upon findings published last year by the researchers, who showed a 2 - bit magnonic holographic memory device can recognize the internal
magnetic memory states via
spin wave superposition.
Then
spin waves propagate through the
magnetic matrix and interfere.
The researchers built a prototype eight - terminal device consisting of a
magnetic matrix with micro-antennas to excite and detect the
spin waves.
Spin waves are collective oscillations of
spins in
magnetic materials.
This single crystal, inelastic neutron scattering work, carried out from 2008 to 2012, was among the first to fully characterize a four dimensional data set of S (Q, E)(three Q dimensions, one energy dimension) to fit the high
magnetic field
spin excitation spectrum to linear
spin wave theory.
We use a testing technique called electron
spin resonance (ESR) that uses a combination of a
magnetic field and electronmagnetic
waves to directly detect the unpaired electrons of free radicals.