Sentences with phrase «electronic states»

They were able to detect new electronic states of matter in these insulators.

They reasoned that those electrons that were able to tunnel through to the second layer of gallium arsenide did so because their momenta and energies coincided with those of electronic states in that layer.

Such processes involve chemical reactions, light absorption, formation of excited electronic states, transfer of excitation energy, and transfer of electrons and protons in chemical processes.

Supported by their colleagues from the Department of Theoretical Physics I and the University of Zurich, the experimental physicists were able to shed light on the origin of these new electronic states.

Using variable temperature magnetisation studies the researchers were able to gain key information about the some of the lowest - lying electronic states of the molecules.

Molecular electronic states energetically below the highest occupied molecular orbital (HOMO) should contribute to laser - driven high harmonic generation (HHG), but this behavior has not been observed previously.

The results form a stepping stone for future quantum computations: the paper's techniques will plausibly serve as a key element in addressing more complex electronic states which include the effects of electron interactions.

«That descriptor turned out to be the «states - filling work» — the work required to fill previously unoccupied electronic states within the electrode,» Liu said.

In order to force a material to emit laser light one has to work toward a «population inversion,» that is, making the number of electrons in a higher - energy electronic state exceed the number that are in a lower - energy state.

This work adds greatly to the ongoing excitement of how topology can impact electronic states in real materials.»

«Calculations show that this offset at the surface is actually causative of these novel electronic states,» says Paolo Sessi.

The first attempt to track the reactions used a scanning tunneling microscope (STM), which senses electronic states when brought within a few billionths of a meter (nanometers) of the surface of the sample.

«Unusual electronic state found in new class of unconventional superconductors.»

Not six years have passed since the publication of the dead - tree version of the book whose constituent electronic states you hold in your hand (or claw, or manipulator, delete as applicable).

The Jahn - Teller theorem states that for any degenerate electronic state associated with a molecular electronic configuration, there will be some electron - vibrational interaction which lifts the electronic degeneracy and leads to a molecular distortion.

In these regions, excited rotational - vibrational («rovibrational») states of the ground electronic state of H

The next step is to understand how long these intense fields last in aqueous electrolytes, determine what types of molecular configurations are needed to create these long - lasting fields, and quantify the distribution of energy gaps between the various excited electronic states.

«Electron paramagnetic resonance spectroscopy, based in the national service at Manchester, was then used to further build a picture about the lowest - lying electronic states.

Adopting the scheme of chemical disorder, which has been proved to successfully capture the variety of eumelanin protomolecules, we show that (1) the formation process of eumelanin protomolecules from the constituting monomers is generally hindered in a solvent environment with respect to vacuum and (2) key factors in improving the adhesion properties and band lineup of the molecules on an inorganic interface are the molecular electronic state and the planarity of their structures.

The missing atom, or the defect itself, creates an electronic state that researchers control with a tunable infrared laser.

The recent report of electrical conductivity in the alkali metal fullerides and the discovery of superconductivity at 18 K for KxC60 has raised fundamental questions about the electronic states on either side of the Fermi level, their occupancy with K intercalation, and the mechanism of superconductivity.

In the topological electronic phase, an electronic state peculiar to the topological electronic phase occurs at the surface of materials (appearance), reflecting topology hidden inside materials (substances).

«The electronic states in graphene are not very practical for creating photovoltaics,» says Thomas Mueller.

Scientists studying these materials at Brookhaven and elsewhere have discovered special types of electronic states, such as «charge density waves,» where charges huddle to form stripes, and checkerboard patterns of charge.

The bismuth selenide / BSCCO material was brought to the ALS to study the electronic states on its surface using a technique known as ARPES, for angle - resolved photoemission spectroscopy.

The energy distribution of the electronic states in organic semiconductors determines the minimum energy barrier the charge carriers have to overcome in transitioning from or into the metal.

«This will enable us to elucidate X-ray-induced ultrafast transitions of electronic states and structures, which will significantly contribute to the advancement of ultrafast chemistry, plasma physics and astrophysics, and X-ray quantum optics,» conclude the authors.

«I calculated the impact of the charge carrier distribution on the electronic states at the interface and how these changes feed back onto the charge carrier distribution,» he explains.

«The fields in the reactions are intense and can have dramatic effects on the electronic states inside the system,» said Dr. Shawn Kathmann, the chemical physicist who led the study.

He and his colleagues soon discovered that the photoinduced metastable state of nitroprusside was not, in fact, in an excited electronic state — it was actually the product of a photoinduced rearrangement, in which the NO group had bound differently to the transition metal.

Collisions between gas molecules produce excited rotational, vibrational and electronic states that spontaneously emit photons.

(Since we're talking about IR radiation, the quantum states involved are the vibrational states of molecules rather than the electronic states of atoms, but the fundamental principles are the same.)

That takes intelligence and knowledge, whether encoded in DNA or white paper or electronic states.