Sentences with phrase «applied electric fields»

The team at the Applied Plasma Physics and Surface Engineering Laboratory has developed practical techniques to guide and attach peptides to surfaces; computer simulations and experiments demonstrated control of both peptide orientation and surface concentration, which can be achieved by applying an electric field like that delivered by a small household - sized battery.

On the bright side, the physicists can sweep the trap with applied electric fields after mixing the antiparticles to clear out any antiprotons and antielectrons that have not been bound into atoms of antihydrogen.

Using applied electric fields and buffer chemistry, the researchers discovered several new levers that control peptide attachment.

And Yoon and Ham applied an electric field at a microwave frequency, which allows for the direct measurement of the electrons» collective acceleration in the form of a phase delay in the current.

Researchers briefly apply an electric field across the electrodes of a capacitor, exciting a vibration at a specific frequency.

Applying an electric field through the organic circuit to a particular area of the display attracts either the black or white particles, causing that part of the screen to turn either white or black.

From inside the R2R RIE, the copper element applies an electric field to one of the electrodes in order to break down chemically reactive gases, like fluorine, into a plasma.

Specifically, the polymer scientists applied an electric field to a system with two liquids to overcome the weak force that stabilizes nanoparticle assemblies at interfaces.

The MWCNTs are excellent field electron emitters due to their stability and electronic conduction at room temperature, but there is still challenges to maximize their emission current at the lowest applied electric field possible.

A ferroelectric is a material that is able to «remember» the direction of an externally applied electric field by the residual polarization charge.

The trap compensates a single molecule's Brownian diffusive motion by continuously applying electric fields in solution that drive the molecule back to the center of the field - of - view.

By applying an electric field within the rat's brain, they found that they could get the transplanted stem cells to swim «upstream» against the fluid flow and natural cues and head for other locations within the brain.

If it works, the researchers hope to apply electric field therapy to additional types of cancer, such as breast cancer and non-small-cell lung cancer.

In an earlier work from 2012, they argued that applying an electric field across the surface of bilayer graphene could offer a unique experimental knob to induce transitions between FQHE states.

Applying an electric field through the organic circuit to a particular area of the display attracts either the black or white particles, causing that part of the screen to turn either white or black.

«Because molybdenum disulfide is atomically thin, it is easily influenced by applied electric fields,» Hersam explained.

«When you apply the right combination, when you apply the electric field with the right strength and right direction, it's like you are applying a combination to a lock and click, it opens.»

By sandwiching another layer of gold on top and applying an electric field to this «meat» with a silicon electrode, the researchers created a transistor with a channel just one moleculeabout 10 - 20 Angstromswide.

Applying an electric field to soap films creates controllable swirling patterns, a technique that could make precise manipulation of liquids easier

Then they applied an electric field, which lined up the urea molecules and caused one «pole» of each bead to acquire a negative charge and the other a positive charge.

Ferroelectrics are materials that exhibit a spontaneous electric polarization that can be reversed by applying an electric field.

By choosing a suitable metal and applying an electric field, the concentration of charge carriers in graphene and thus the conduction through the graphene can be influenced.

When a voltage is applied to a so - called piezoelectric crystal, atoms in the crystal lattice stretch, like an accordion, along the direction of the applied electric field.

«By combining three electrons in a triple quantum dot and oscillating an applied electric field at the frequency that separates adjacent energy levels, we can thus control the spins of the electrons without measuring them,» explains Charles Marcus.

For decades researchers have tried to control such mixing and separation by, among other things, applying electric fields.

Yoon and Ham knew that if they could apply an electric field to a graphene sample and measure the electrons» resulting collective acceleration, they could then use that data to calculate the collective mass.

Electrocaloric materials are nanostructured materials that show a reversible temperature change under an applied electric field.

(Permittivity is a measure of a material's response to an applied electric field, while permeability is a measure of the material's response to an applied magnetic field.)

Conduction in metals and resistors is well described by Ohm's Law, which states that the current is proportional to the applied electric field.

In this technique, known as DNA translocation measurements, strands of DNA in a salt solution are driven through an opening in a membrane by an applied electric field.

Electrical conductivity, a measure of how strongly a given material conducts the flow of electric current, is generally understood in terms of Ohm's law, which states that the conductivity is independent of the magnitude of an applied electric field, i.e. the voltage per metre.

In a conventional LCD, applying an electric field to the liquid crystal makes the molecules line up in such a way that they shift the polarisation of light through 90 degrees.

Semiconductors such as silicon, which are in principle insulators made to conduct by applying an electric field, suffer from a further disadvantage in that an alternating field must oscillate above a certain frequency to free up electrons for conduction.

The distortions of the lattice reveal the effects of that applied electric field.

You can apply an electric field to it, put extra electrons into it, and that can modulate the material properties.»

Under the influence of an applied electric field, the charged particles migrate through the dielectric fluid.

«What you end up with is salt and pepper inside a microcapsule — and a way to separate them [is] with an applied electric field,» which brings the particles of the corresponding charge up to the top of the capsule, making them visible through the top sheet (in their concept, this top sheet is plastic, not glass), explained Comiskey in an email.

This essentially means visible images are formed by the process of rearrangement of charged pigment particles using an applied electric field.

In electronic paper, an electrophoretic display forms visible images by rearranging charged pigment particles using an applied electric field.

Already at MIT we were able to successfully charge both white and black particles, place them into individual microcapsules, coat those down onto a surface and apply an electric field to achieve a contrast matching that of newspaper.

An electrophoretic display forms images by rearranging charged pigment particles with an applied electric field.