Sentences with word «magnetization»

Another source of the field might be from remnant magnetization of iron - bearing rocks which were magnetized when the planet had a strong magnetic field during its younger years.

In a 2008 paper in Science, Parkin and colleagues demonstrated the beginnings of a racetrack memory based not on skyrmions, but on magnetic features called domain walls, which separate regions with different directions of magnetization in a material.

Future work will explore the printing of anisotropic, or directional, bonded magnets, which are stronger than isotropic magnets that have no preferred magnetization direction.

The researchers then measured the rocks» remnant magnetization using a precision magnetometer in the MIT Paleomagnetism Laboratory.

The process involved in magnetization reversal sometimes exhibits the nucleation and movement of these domain walls, which constitute the transition between two regions of charge magnetized in different directions.

The fact that the linear magnetoelectric effect «went unnoticed» for a long time had to do with the spin cycloid: due to the spin cycloid structure, certain characteristics, such as magnetization and the magnetoelectric effect «average out» to zero.

Studies of magnetization transfer and relaxation in irradiated polymer gels ¿ Interpretations of the Effects of MRI - based dosimetry.

Illustration of Kerr effect used to detect magnetization through the rotation of polarized light when it interacts with electron spins in a material.

One way to produce rapid changes of strain on the subnanosecond scale and, thus, induce magnetization changes is by using surface acoustic waves (SAWs), which are deformation (strain) waves.

«Superconductivity trained to promote magnetization: Superconductivity effect discovered, which will help to create future supercomputers.»

«The work shows how magnetization of nanoscale magnets can be steered by intense ultrashort electron pulses,» said Alexander Schäffer, a doctoral student at Martin - Luther - Universität Halle - Wittenberg in Halle, Germany, and lead author of the paper.

The repetitive switching of the Co magnetization further revealed the robustness of the effect and likewise its suitability for long - time operation.

While searching for ever smaller devices that can be used as data storage systems and novel sensors, physicists at Johannes Gutenberg University Mainz (JGU) have directly observed magnetization dynamics processes in magnetic nanowires and thus paved the way for further research in the field of nanomagnetism.

Magnetic domains represent regions of uniform magnetization in ferromagnetic materials.

Here we show that remanent magnetization in the eucrite meteorite Allan Hills A81001 formed during cooling on Vesta 3.69 billion years ago in a surface magnetic field of at least 2 microteslas.

Our work shows that thermal spin current can be large enough to rotate magnetization.

The underlying physical principle of this method is called magnetization transfer effect.

Paleomagnetic studies of a meteorite from asteroid Vesta reveal remanent magnetization produced by an ancient core dynamo.

Those spirals of magnetization disrupt the otherwise orderly alignment of atoms in the magnet, like a cowlick in freshly combed hair.

Within the smallest magnetite grains are regions that have their own individual magnetizations and work like a tape recorder.

What they found was that, exposed to the longitudinal bias field, the samples» magnetization responded to the current after a 3.5 nanosecond lag (top image).

Each magnetized packet constitutes a bit, and so moving bits along actually constitutes moving the boundaries, known as domain walls, that separate regions of opposing magnetization — essentially, the wall that separates a 0 from a 1.

Each core can hold one bit of information, which is stored in terms of the direction of imposed magnetization; in other words, the core «remembers» the direction of the effective magnetizing current sent through it last.

«Detecting small metallic contaminants in food via magnetization: A practical metallic - contaminant detecting system using three high - Tc RF superconducting quantum interference devices (SQUIDs).»

Bismuth ferrite is an antiferromagnetic, which means that the magnetic moments of its magnetic sublattices (structures formed by atoms with the same parallel spins) cancel each other out, and the total magnetization of the material is close to zero.

These new phenomena rely on the transport of thermal energy, in contrast to the conventional appication of magnetic fields, providing a new, and highly desireable way to manipulate magnetization at the nanoscale.

By means of the oscillating magnetic fields of irradiated microwaves the deliberate rotation of the YIG magnetization is induced, which emits a magnon spin current into the CoO.

The magnetoelectric effect is when electric polarization occurs under the influence of an external magnetic field and magnetization occurs under the influence of an electric field.

If a judicious choice of parameters is made, the method can lead one to calculate curves and thermal variations of the spontaneous magnetization or paramagnetic susceptibility that coincide remarkably well with the experimental results, for example, to within a few thousandths.

After the nanometer - scale fabrication, they then measured the switching magnetization behavior mediated by the domain wall propagation.

There were even some interesting candidates for multiferroism, although none presented the characteristic overall magnetization and all had lousy ferroelectric properties.

However, in the Gd22 % sample, wave - like magnetization modulation propagated isotropically along the radial direction.

Some of the spins might cancel each other out, but a certain residual magnetization will remain.

Researchers have recently been also interested in the utilization of antiferromagnets, which are materials without macroscopic magnetization but with a staggered orientation of their microscopic magnetic moments.

By repeating this process with positive and negative current pulses, the soft magnet can be magnetized with equal or opposite magnetization as the hard magnet, thus turning the EPM ON or OFF, respectively.

They used vibrations as an indirect measure of magnetism, the more vibrations, the less magnetization.

That cooling time frame would not have allowed for meteoric impact magnetization, which usually fades within a day or so, to be locked in, Garrick - Bethell says, pointing to a more permanent internal magnetic field on the moon.

A higher saturation magnetization obtained by increased iron content is essential for yielding larger energy products in these rare - earth Sm2Co17 - type pinning controlled permanent magnets.

«In a nutshell, electrons experience a force that pushes them sideways, but it doesn't come from the local magnetization itself; instead it arises from the topology of the magnetic texture,» explained Manchon.

The researchers found that the vortex - antivortex pairs in the soft magnetic layers exhibited a correlated motion that extends several micrometers along the magnetic stripes during magnetization reversal.

This offers new low - power magnetization manipulation for memory or logic applications and a new approach for analyzing dynamic strains in other research fields such as nanoparticles, chemical reactions, and crystallography.

In vivo T1rho mapping in cartilage using 3D magnetization - prepared angle - modulated partitioned k - space spoiled gradient echo snapshots (3D MAPSS).

First the team investigated how angle θ between ferromagnetic layer magnetizations depends on angle φ between the axes of the antiferromagnets (fig. 1a, top).

Normally bismuth ferrite has serious issues with current leakage, Lee notes, because bismuth ions are volatile, and it also exhibits weak magnetization.

The first five functional images in each run were discarded to allow for equilibrium of longitudinal magnetization.

Carolee Schneemann, «Magnetization Reaching» (detail), 1968.

magnetization so strong it sucks the light and radio waves up?