Sentences with phrase «of external magnetic fields»

Together with adiabatic rotations of the external magnetic fields or rotations of the nanodiamonds leads to over 10,000-fold enhancement in the 13C polarization.

Recently Mohammed Sheikh and his colleagues at the University of Illinois at Urbana - Champaign statistically analyzed the timings, depths and durations of the short - term dips, finding that they are distributed according to a «power law» characteristic of a continuous phase transition (such as magnets realigning themselves in the presence of external magnetic fields).

Simulation study of enhancing laser driven multi-keV line - radiation through application of external magnetic fields

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.

Not exact matches

That non-Markov machines exist is shown by a simple example: the magnetization of a piece of iron immersed in an oscillating magnetic field depends on the values of the external field in the past, as well as in the present.

«In contrast, the highly crystalline and uniformly flat 2 - D CGT, together with its small intrinsic anisotropy, allows small external magnetic fields to effectively engineer the anisotropy, enabling an unprecedented magnetic field control of ferromagnetic transition temperatures.»

Made by Shuhei Miyashita and colleagues at Massachusetts Institute of Technology, a 1.7 - centimetre - long origami robot made of plastic and containing a magnet can be «programmed» by an external magnetic field.

A tiny robot made of plastic can be «controlled» by an external magnetic field

Now scientists have found through close examination that external magnetic fields can be used to coordinate and accelerate some of these flips — perhaps clearing the way to new and improved read / write heads and greater storage density.

We present a third, distinct bonding mechanism: perpendicular paramagnetic bonding, generated by the stabilization of antibonding orbitals in their perpendicular orientation relative to an external magnetic field.

That would eliminate the need for external magnetic fields and would offer another avenue for dissipationless transport of electrical current.»

Using a computer, they simulated how the DMI and external magnetic fields of varying strengths affected the modes and properties of the particles.

«When we apply a specific external magnetic field, the magnetization in these discs creates whirls,» said Dr. Benjamin Krüger working in the group of Professor Mathias Kläui at the Institute of Physics at JGU.

An external electric or magnetic field can align groups of atoms in the iron over time so that they take on their own permanent magnetic field.

Instead of permanently depositing particles through immunoaffinity, anti-EpCAM coated magnetic microparticles were trapped over the untreated PDMS surface by an external magnetic field and were then released by readily removing the magnet for CTC collection.

«You can think of it as a little compass needle that responds to external magnetic fields.»

«The influence of laser light on the state of the atoms can be compared to the magnetization of solid crystals by an external magnetic field in classical physics,» Dr. Christian Groß, leader of the project, explains.

Another way of controlling inter-particle collisions at ultracold temperatures is to turn on an external magnetic field.

Their research advances the understanding of how these materials can be manipulated without having to discover new materials, change the chemical concentration or apply external magnetic fields.

The capsule is used with a fixed external magnet and its position is tracked precisely by measuring the strength and direction of the magnetic field it experiences.

When a microrobot is exposed to an external magnetic field — the offboard power source, given the difficulty in shrinking batteries to the size of bacteria — it begins to spin and move in a manner similar to bacterial flagella, courtesy of the iron oxide debris.

They plan to make a «smart material» by adding chemical groups that respond to incident light, magnetic field, or applied potential, leading to external control of the transformation that creates pores in the otherwise dense material.

There are two main theoretical models, one based on small magnetite particles that may reorient in an external magnetic field and the other based on the idea that upon photo excitation a certain type of molecules in the eye of a bird support a radical pair formed by two electrons which evolve under the joint action of the Zeeman interaction with the external magnetic field and the hyperfine interaction with the supporting molecule.

March 23, 2015 - This is due to the complex effect of metastable state of the magnetic dynamic nanoparticles and the possible relaxation characteristic of the formed chain - like structure when decreasing the external magnetic field, the Brownian dynamics of particles...

The challenge in doing this is that the ions» environment, i.e., the atoms to which it is bound as well as the fluid in which it is dissolved, changes the external magnetic field in the vicinity of the atomic nucleus, which, in turn, affects the precise measurement of the magnetic moment.

Another apparatus associated with this invention includes a receiver resonator including at least two loop resonators capable of resonating in the presence of an external non-radiative magnetic field, the at least two loop resonators being disposed in such that the magnetic field received by each is substantially orthogonal to that received by the other.