Sentences with phrase «gold surface»

The previous version of the nano - car moved along a flat gold surface.

Further tests and computer simulations suggest that the increase was not due to changes in the shape of the tip or in the underlying gold surface.

Daniel E. Morse of the University of California, Santa Barbara, found that by putting enzymes that mimic those of marine sponges onto gold surfaces, his team could create templates for growing semiconductor films.

Researchers have converted heat directly to electricity by sandwiching organic molecules [blue ring above] between gold surfaces kept at different temperatures.

The engineless model could only be powered remotely — using a heated gold surface to stop its wheels sticking and an electromagnetic field to drag it forwards.

To do this, the scientists covered an extremely thin gold surface with a precisely defined saccharide covering, coupled to azobenzene.

Upon sighting the pavilion across the Giardini, the proud upright form of Lucas's Gold Cup Maradona announces her arrival; the sculpture's smooth yellow gold surface beckoning visitors into the building.

The device captured the internal structure of electronic waves trapped in short sections, just several nanometers long, of nanotubes partially suspended above an atomically flat gold surface.

Juan Carlos Cuevas at the Autonomous University of Madrid in Spain and his colleagues modified a scanning tunnelling microscope — which allows the manipulation and imaging of atoms — to trap a ring of benzene between the probing tip of the microscope and a flat gold surface.

These suspensions permit a variety of manipulations, such as sorting by length, derivatization, and tethering to gold surfaces.

However, the light energized surface plasmons — the collective, wave - like motion of groups of electrons confined to travel along the boundary between the gold surface and the air.

As the molecules, dubbed MHAEs, latched onto the gold surface, the bulky heads prevented them from packing tightly together.

Sulfur atoms at one end of the molecules naturally bind to gold surfaces, and the molecular stalks stick straight up if packed in tight.

To persuade the MHAEs to bend over, Lahann and his colleagues needed only to wire up the gold surface to a power supply.

Graphene nanoribbons are synthesized on a gold surface and interconnected to create a well - defined pore network.

Using the tip of the AFM, the researchers were able to pull single chains of molecules (polymers) off a gold surface.

This remarkable behavior of nearly frictionless motion was predicted by a theoretical model and has now been verified for molecules on a gold surface.

In the international edition of the journal Angewandte Chemie they report in detail on what happens on the gold surface during the chemical reaction.

In collaboration with colleagues from Berlin and Madrid, researchers at the Department of Physics at the University of Basel have pulled up isolated molecular chains from a gold surface, using the tip of an atomic force microscope (AFM).

The Toulouse laboratory has an unusual STM with four scanning tips — most have only one — that will allow four teams to race at the same time, each on a different section of the gold surface.

The researchers added a layer of iron containing small molecules called ferrocenecarboxylic acid atop a gold surface.

They start with a gold surface coated in chemicals in a chessboard pattern so that one set of squares binds proteins and the other repels them.

«We make use of the attenuation of the signal from the gold surface to simply convert the wavefront shape — or slope — into an intensity difference in a beam of light,» explained Vohnsen.

Ligterink says his team filled a vacuum chamber with a gas mixture of isocyanic acid and methane and chilled it to 15 K, freezing the gases onto a gold surface.

A graphen nanoribbon was anchored at the tip of a atomic force microscope and dragged over a gold surface.

To do this, they anchored two - dimensional strips of carbon atoms — so - called graphene nanoribbons — to a sharp tip and dragged them across a gold surface.

«When we have these gold nanoparticles come together there are these interesting little electromagnetic fields that are generated within these gold surfaces when light hits,» Chuong said.

A discrepancy between the model and reality appears only at greater distances (five nanometers or more) between the measuring tip and the gold surface.

Short DNA nanolevers attached to the gold surface of the chip are deliberated moved by way of alternating the voltage across the surface.

Electrons from a scanning tunneling microscope tip turn a five - arm rotor connected via a single ruthenium atom bearing to a tripod anchoring the molecular motor to a gold surface.

They replaced particular carbon atoms in the hexagonal lattice with boron and nitrogen atoms using surface chemistry, by placing suitable organic precursor compounds on a gold surface.

Under heat exposure up to 400 °C, tiny graphene ribbons formed on the gold surface from the precursors, including impurity atoms at specific sites.

«The gold surface is 20 nanometres thick so there is not that much gold in it.

Turning guilt instead into a word synonymous with a gold surface, the exhibition explores the luster of an artist's work in economic downtime and questions what makes a piece of art attractive in the eyes of society.

The gold surface the nanocars race across must reach about 200 °C before buckyballs start turning.

The gold surface on the back of the mirror is so pretty, you could even just use this as the front side if you wanted!

A great gift for someone jetting off on a gap year, this attractive wall map allows travellers to keep tabs on the countries they visit by scratching off the gold surface to reveal the vibrant colours beneath.