Sentences with phrase «dimensional electron gas»

J.A. Curtis, T. Tokumoto, A.T. Hatke, J.G. Cherian, J. L. Reno, S.A. McGill, D. Karaiskaj, D. J.Hilton, Cyclotron decay time of a two - dimensional electron gas from 0.4 to 100 K; Physical Review B, 93, 155437 (2015).

We can build a two - dimensional electron gas (2DEG) in which the mean free path exceeds 0.35 mm at low temperatures!

The lab used the light to probe the shift in an ultra-high quality, two - dimensional electron gas supplied by Purdue University physicist Michael Manfra and set in a gallium arsenide quantum well (to contain the particles) under the influence of a strong magnetic field and low temperature.

The group has developed liquid - helium cooled scanning probe microscopes (SPMs) that can image electron motion through a two dimensional electron gas, in GaAs / AlGaAs and graphene / hBN layered structures.

And scientists must tweak the crystal's two - dimensional electron gas to electronically vary its output frequencies, something casual crystal buyers probably won't be able to do.

To address the terahertz gap, the team created a hybrid semiconductor: a layer of thick conducting material paired with two thin, two - dimensional crystalline layers made from graphene, silicene (a graphene - like material made from silicon instead of carbon), or a two - dimensional electron gas.

It's called a two - dimensional hole gas — a counterpart to something known as a two - dimensional electron gas.

The conducting electrons at the interface form a two - dimensional electron gas (2DEG) which boasts exotic quantum properties that make the system potentially useful in electronics and photonics applications.

It also provides an electrically attractive environment that causes carriers that are scattered out of the two - dimensional electron gas by radiation - induced defects to be reinjected.

The field gives rise to two - dimensional electron gas by which carriers travel across the transistor from source to drain.

«The ability to couple or to integrate these interesting oxide two - dimensional electron gases with gallium arsenide opens the way to devices that could benefit from the electrical and optical properties of the semiconductor,» Kornblum said.

Two examples: graphene — single - atom - thick sheets of carbon atoms — has unique mechanical, electrical, and optical properties; and two - dimensional electron gases (2DEG)-- planar collections of electrons supported at the interface between certain semiconductors such as gallium arsenide — allow the observation of such emergent behaviors as the quantum Hall effect and the spin Hall effect.

A major portion of Loss ′ s current research involves the theory of spin dynamics, spin coherence, spintronics in two - dimensional electron gases, and spin - related phenomena in semiconducting quantum dots — artificial atoms and molecules.