Sentences with phrase «flow of electrons»

An electric current, meanwhile, is nothing more than a steady flow of electrons.

For example, while one layer of this new kind of superlattice can allow a fast flow of electrons through it, the other type of layer can act as an insulator.

They visualized interference fringes and the pattern of flow of electron waves from a quantum point contact, made an imaging electron wave interferometer, and imaged magnetic focusing in GaAs / AlGaAs, and they have imaged the electron cyclotron orbit in graphene / hBN structures.

The effect and its brethren — with names like the spin Hall effect, the spin Seebeck effect and the spin Peltier effect — allow scientists to create flows of electron spins, or spin currents.

For example, one layer could allow a fast flow of electrons through it, while the other type of layer could act as an insulator.

The electromagnetic field creates an oscillation in the antenna, producing an alternating flow of electrons.

This concerted flow of electrons constitutes an electric current which in turn creates a magnetic field across the gap, perhaps providing the spark which causes the opposing fields on either side to break and reconnect.

This direct observation confirms a long - held suspicion that the static electron arrangement and associated nanoscale fluctuations impair the free flow of electrons — like ice on a river impairs the flow of liquid water, Davis said.

So is the closely related phenomenon of superconductivity, the frictionless flow of an electron gas in a conducting material (an electric current) at sufficiently low temperatures.

The results, published July 27 in the journal Nature, describe the symmetry - breaking flow of electrons through copper - oxide (cuprate) superconductors.

Every once in a while, a massive flow of electrons and other accelerated particles collide with the Sun's plasma.

Included with clear directions for students and teachers as well as supporting documents and worksheets, this mini investigation allows students to discover concepts of flow of electrons, conductors, insulators, circuits and so much more!

Kenneth Nealson, at the University of Southern California, states that ``... life, when you boil it right down, is a flow of electrons».

As a species we've had less than a century to explore the issues of quantum physics and let me remind you that what we know for sure is that you have a computing device based upon solid state electronics and the control of the flow of electrons.

We know that life, when you boil it right down, is a flow of electrons: «You eat sugars that have excess electrons, and you breathe in oxygen that willingly takes them.»

The unique combination of a human - made BPEC cell and plant membranes, which absorb sunlight and convert it into a flow of electrons highly efficiently, paves the way for the development of new technologies for the creation of clean fuels from renewable sources: water and solar energy.

The gold strips act as gates: A voltage applied to them stops or starts the flow of electrons through the main nanowire with an unprecedented combination of speed and precision.

The reduction and oxidation reactions that occur at the electrodes of batteries produce a flow of electrons that generate and store energy.

In transistors, any interruption in the flow of electrons results in data loss.

Metals are compounds that are capable of conducting the flow of electrons that makes up an electric current, and insulators are compounds that conduct no current at all.

Transistors are used to turn on and off the flow of electrons through a device, and also to amplify that flow so that you can send one signal to many devices.

The finding strengthens support for the idea that the periodic arrangement — variously referred to as «stripes» or «density waves» — restricts the flow of electrons and impairs maximal superconductivity in the pseudogap phase.

Using a specially built microscope capable of imaging matter at the atomic scale, the researchers were able to visualize traps, which can adversely affect the flow of electrons and elementary energy packets called excitons.

The energy collector drives a flow of electrons to the rhenium atom, which repeatedly binds and converts the normally stable carbon dioxide to carbon monoxide.

Table - salt - like TiN is metallic, which means it can conduct a flow of electrons that makes up a current.

In a conventional superconductor electrons with opposite spins are paired together so that a flow of electrons carries zero spin.

The grating, which comprises a small modulation in the optical material properties, forms a bandgap for light, which strongly effects the propagation of light, in the same way that semiconductors control the flow of electrons.

The aggregate effect of the chemical reactions taking place within the electrolyte creates a flow of electrons between the anode and the cathode, resulting in the discharge of electricity.

A voltage emanating from the electrode switches the transistor on or off by controlling the flow of electrons across that channel.

They describe technology that would react the CO2 with water or other liquids and, with further processing, produce a flow of electrons that make up electric current.

In order for a transistor to work, it must be able to turn a flow of electrons on and off, to generate a pattern of ones and zeros, instructing a device on how to carry out a set of computations.

Silicon - based electronics has certain limits, in the physical sense of the word: this type of circuit can never become «nano» because of the physical laws governing the flow of electrons.

As it happens, it is very hard to stop the flow of electrons through graphene, making it an excellent conductor but a poor semiconductor.

Power plants could, they argue, pump the carbon dioxide through water or other liquids and produce a flow of electrons — and therefore more electricity.

This process involves creating a flow of electrons by removing one from a molecule and transferring it to another.

It enables us to transmit and manipulate information with lower energy consumption owing to suppression of the Joule heating effect by using pure spin currents, a flow of electrons» spin angular momentum without any charge flow.

Iron is a metal, which means it can easily conduct a flow of electrons that makes up an electric current.

Demand response doesn't cycle the battery this way but rather throttles the flow of electrons into the battery when it is recharging.

The reaction yields a flow of electrons that produce a current.

Such scientists had long known that in conducting materials the flow of energy in the form of heat is accompanied by a flow of electrons.

The material is called a topological insulator because its interior surface does not conduct electricity, and its electrical conductivity (the flow of electrons) is restricted to its edges.

Confirmed within the past few years, topological insulators possess interiors that behave like insulators, blocking the flow of electrons.

«The flow of electrons is completely linked with the direction of their spins, and is limited only to the edges of the material,» Mo said.

They observed, in other words, a basic, biological electric grid and one that, because of its size, offers very little resistance to the flow of electrons.

Transistors typically have a gate that can turn on and off the flow of electrons.

Superconductivity is a rare physical state in which matter is able to conduct electricity — maintain a flow of electrons — without any resistance.

A bandgap is an energy barrier, essential for controlling the flow of electrons, like an on / off switch.