Sentences with phrase «nanometres thick»

«We were exploring the relationship between the electrical and optical properties of phase change materials and then had the idea of creating this GST «sandwich» made up of layers just a few nanometres thick.

Now researchers at ETH Zurich have designed a memristor device out of perovskite just 5 nanometres thick that has three stable resistive states, which means it can encode data as 0,1 and 2, or a «trit» as opposed to a «bit.»

That could produce high - temperature superconductivity in a single copper - oxide layer just 0.66 nanometres thick.

It contains layers of gold electrodes just a few hundred nanometres thick, sandwiched between layers of polyimide plastic to form a «nanomembrane».

After cutting a thin section from one of the carbon globules of the meteorite, they used a jet of argon ions to erode the slice until it was just 50 nanometres thick — a process known as ion milling — and examined it under an electron microscope.

The technique is highly sensitive as even tiny amounts of insulating residue, just a few nanometres thick, can prevent polymer deposition on the metal below.

In the current work, Blamire and his collaborators used a multi-layered stack of metal films in which each layer was only a few nanometres thick.

«A stable model is so important because the detailed structure of this wall is still not clear, largely because bacteria are very small and have a protective envelope that is only 20 nanometres thick.

This resulted in formation of a conductive and stable polymeric layer only three to four nanometres thick.

A triple - layer coating of these materials — barely 200 nanometres thick — captures different wavelengths of light.

The key discovery consists in the observation that the composite thin film — barely 110 nanometres thick — absorbs a broader portion of the solar spectrum compared to the wavelengths absorbed in the thin films made of the two individual materials.

The design consists of only four alternate layers of zirconium oxide and silicon dioxide and the whole stack is less than 300 nanometres thick.

«We have shown that a one - nanometre thick insulating layer of aluminium oxide makes the TAMR effect disappear», says Banerjee.

However, in natural glycocalyx, a mere nanometre thick polysaccharide layer covering all cells, the relationships are still too complex to uncover how proteins and carbohydrates identify each other.

They coated one side of a 4.5 - millimetre - diameter lens with a gold film 30 nanometre thick, and laid the lens — gold - side down — on a flat glass slide which was also coated with film of gold.

Not exact matches

By creating nanometre - thick arrays of metal - organic frameworks, Zhao's team was able to expose the pores and increase the surface area for electrical contact with the water.

Daniel Branton and his colleagues placed carbon nanotubes onto a silicon wafer, cooled it to about -163 °C and sprayed it with water, causing an 80 - nanometre - thick layer of ice to form.

Daniel Branton and his colleagues placed single - walled carbon nanotubes onto a silicon wafer, cooled it to about -163 °C and sprayed it with water, causing an 80 - nanometre - thick layer of ice to form.

The effect, however, turns out to work only in LEDs which use nanometre - thick active regions — quantum wells.

«Today, a typical CMOS - type transistor channel measures about 20 nanometres, or ten times thicker than the CBRAM insulators we investigated,» says Luisier.

The artificial synaptic TFT consisted of indium zinc oxide (IZO), as both a channel and a gate electrode, separated by a 550 - nanometre - thick film of nanogranular silicon dioxide electrolyte, which was fabricated using a process known as chemical vapour deposition.

As the liquid flowed down, nanometre - thick sheets of clay aligned like neatly laid bricks.

For comparison I've seen the Knudsen layer described as «several mean free paths thick» which in the atmosphere is about 70 nanometres and would be much less in water.