Sentences with phrase «in magnetic structures»

REINING IN Magnetic structures keep coronal loops in check, as shown here in extreme ultraviolet light observed by NASA's Solar Dynamics Observatory just before a coronal mass ejection.

• In a magnetic force microscope, the tip senses changes in the magnetic structure of the surface at the atomic level.

They are conducting experiments to improve the magnetoresistance of the device by fine - tuning the level of strain in its magnetic structure, and they are also planning to apply their technique in various other electronic components.

Not exact matches

The Asankrangwa Belt is about 7 km wide and over 50 km long and the area is highly prospective with multiple geochemical anomalies aligning with the structures interpreted from the airborne VTEM and magnetic surveys completed by Asanko in 2015.

The first step in testing the model is by using magnetic resonance imaging to look at the neural structures involved when sleeping infants experience an apnea followed by a cortex - induced arousal.

By 3 - D printing a deformable material containing iron particles in a lattice structure, their metamaterials can be compressed using a magnetic field.

The researchers scanned the participants» brains using magnetic resonance imaging to see if there were any differences in brain structure.

In addition, they also display magnetic moments due to the geometrical structure that can not be oriented as they otherwise would be.

The distortion of the crystal structure can thus be controlled, which in turn has an effect on the magnetic ordering.

What is interesting is that the magnetic phases only occur in the orthorhombic structure, which lies far below room temperature for pure nickel - spinel as well as for copper - spinel.

After productively using nuclear magnetic resonance (NMR) spectroscopy to study protein structure during a Ph.D., she switched to structural mass spectrometry for her postdoc in the United Kingdom.

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.

But then the evolution took a surprising turn: in all the simulations, no matter what the magnetic field looked like when the neutron star was born, the field took on a particular structure and its evolution dramatically slowed.

They used high - frequency magnetic materials in a dipole coil structure to build a thin, flat transmitter (Tx) system shaped in a rectangle with a size of 1m2.

«This result is also significant because it shows that the Hall effect, a phenomenon first discovered in terrestrial materials and which is thought to help weaken a magnetic field through turbulence, can actually lead to an attractor state with a stable magnetic - field structure,» Gourgouliatos says.

Zhou's technique uses metal and carbon - based frameworks that change their structure in response to slight changes in temperature, magnetic fields, and light.

His team is currently testing the sensitivity of the new design to changes in magnetic fields, and hoping that this structure could be used for biosensing applications such as MEG.

A: I'm working on using solid - state defects in diamonds as magnetic field sensors, with the goal of using them as little nanoscale MRI machines that can study the structure and dynamics of single biological molecules (e.g., proteins).

Europa Clipper should launch in the early 2020s, and when it arrives in orbit around Jupiter it will repeatedly swoop over the moon, picking up valuable magnetic and gravitational information about its structure.

Functional materials are those with controlled composition, size, and structure to facilitate desired interactions with light, electrical or magnetic fields, or chemical environment to provide unique functionality in a wide range of applications from energy to medicine.

«Using advanced nuclear magnetic resonance spectroscopy, we were able to provide an unprecedented view of the internal structure of the protein clumps that form in the disease, which we hope will one day lead to new therapies.»

In the course of their research into the use of magnetic domain walls (local regions of magnetic «charge» usually driven by magnetic fields) to increase our capacity for information storage and logical processing, physicists at the University of Nottingham have discovered a phenomenon which has allowed them to «manipulate» the structure of a magnetic domain wall.

Using nuclear magnetic resonance spectroscopy, two teams working with the Göttingen - based scientists Markus Zweckstetter and Stefan Becker have now shown the complex three - dimensional structure of the protein «at work» in atomic detail.

Faraday posed his theories in terms of geometric structures, such as lines of magnetic force.

The common assumption has been that magnetic fields are thin tube - like structures at the bottom of the Sun's convection zone in the thin tachocline at a depth of 200,000 kilometres, from where they erupt to the surface and form sunspots.

In the last few years, several experimental groups have shown that individual particles in fluid — when coaxed to spin by magnetic or electric fields — can form interesting collective structureIn the last few years, several experimental groups have shown that individual particles in fluid — when coaxed to spin by magnetic or electric fields — can form interesting collective structurein fluid — when coaxed to spin by magnetic or electric fields — can form interesting collective structures.

However, when bismuth ferrite is placed in a strong magnetic field (greater than a certain critical value), the structure is destroyed and this is accompanied by the emergence of a linear ME effect (when polarization is linearly proportional to the applied field).

Published by the Condensed Matter research group at the Nordic Institute for Theoretical Physics (NORDITA) at KTH Royal Institute of Technology in Sweden, the Organic Materials Database is intended as a data mining resource for research into the electric and magnetic properties of crystals, which are primarily defined by their electronic band structure — an energy spectrum of electrons motion which stem from their quantum - mechanical properties.

Small magnetic domain wall structures in nanowires can be used to store information and, for example, can be used as angle sensors.

Dr Ludovic Jaubert, group leader in the Professor Nic Shannon's Theory of Quantum Matter Unit at the Okinawa Institute of Science and Technology Graduate University (OIST) together with Prof Roderich Moessner from the Max Planck Institute in Dresden gave a theoretical explanation for the observation of double - layer structure of magnetic monopoles in spin ices.

He had a hunch those swirls were part of a bigger structure, and a computer simulation proved him right: In aggregate, the swirls could twist the sun's magnetic field, causing it to launch a huge spinning funnel of gas.

Using several years» worth of observations, they were able to build up a more complete picture of the magnetic field structure that supports the plasma, in structures known as prominences.

Since he was a graduate student, Washington University in St. Louis systems engineer Jr - Shin Li has provided specific mathematical information to experimentalists and clinicians who need it to perform high - resolution magnetic resonance applications, such as body MRIs for medical diagnosis or spectroscopy for uncovering protein structures.

But if a team led by Van Wedeen of Massachusetts General Hospital in Boston is correct, this staggering complexity arises from a seductively simple underlying structure, revealed using magnetic resonance imaging (MRI).

Using functional magnetic resonance imaging — a technique that monitors brain activity in real time — the Johns Hopkins group found reversing a decision requires ultrafast communication between two specific zones within the prefrontal cortex and another nearby structure called the frontal eye field, an area involved in controlling eye movements and visual awareness.

In the 1950s, geologists for Pemex, Mexico's national oil company, conducted gravity and magnetic surveys of the Yucatán Peninsula and were intrigued to see underground circular structures — possible oil traps.

In the meantime, these unique magnetic structures can also be found on metallic surfaces, as used today in technological applications such as magnetic sensors or the reading heads of hard driveIn the meantime, these unique magnetic structures can also be found on metallic surfaces, as used today in technological applications such as magnetic sensors or the reading heads of hard drivein technological applications such as magnetic sensors or the reading heads of hard drives.

In fact, my postdoctoral training at Yale had involved extending existing electronic structure methods so that they could be used to study magnetic systems — exactly what I needed to predict the properties of new multiferroics.

Small magnetic whirls may revolutionize future data storage and information processing if they can be moved rapidly and reliably in small structures.

A better understanding of the structure of Earth's inner core would clarify its role in locking the planet's magnetic field in its north - south position, which has the effect of insulating terrestrial life from a lethal bombardment of cosmic rays.

The results were published in the journal Lab on a Chip (Lab on a Chip 17 (19), 3291 - 3299) in an article called: «Magnetic particles assisted capture and release of rare circulating tumor cells using wavy - herringbone structured microfluidic devices.»

Basing their work on the theoretical modeling, the chemists studied the bonds using nuclear magnetic resonance, which makes it possible to visualise the molecules and the transformations in their structure.

It also has to use very strong microwaves and magnetic fields to reach the sample, but these processes are invasive and can affect delicate bio-samples, just like the microwave in your kitchen, particularly when trying to see the molecular structure of liquids.»

Because neutrons are microscopic magnets that carry no charge, they can be used to interact with and excite other magnetic particles in the system without compromising the integrity of the material's atomic structure.

Scientists at NJIT's Big Bear Solar Observatory (BBSO) have captured the first high - resolution images of the flaring magnetic structures known as solar flux ropes at their point of origin in the Sun's chromosphere.

The researchers found that the radiofrequency wave for the plasma production, called a helicon wave, is reflected by a local change of the refractive index (contour plot in Fig), which is introduced by the rapidly bent magnetic field structure (white arrows in Fig).

As the structures are so tiny — each grain is only about the size of a virus — there is only one method with which the nanovortices can directly be observed while they are heated up and cooled down: «A special high - resolution electron microscope at the Ernst Ruska - Centre (ER - C) in Jülich is capable of making magnetic fields on the nanoscale holographically visible,» explains Almeida.

Although there is no axial physical boundary downstream of the source, the wave recognizes the bent magnetic field structure as the boundary and is reflected there (black arrow in Fig).

The researchers used a combination of advanced electronic structure calculations, magnetic property measurements, and revolving scanning transmission electron microscopy (revolving STEM) to see what was happening at the atomic scale in NiFeCrCo.

The dramatic findings complement NASA's Juno mission this summer which aims to understand the relationship between the two biggest structures in the solar system — the region of space controlled by Jupiter's magnetic field (i.e. its magnetosphere) and that controlled by the solar wind.