Sentences with phrase «of silicon dioxide»

It lacks an atmosphere, and pulling oxygen out of the silicon dioxide soil would present a tough engineering challenge.

It should have referred to molecules of silicon dioxide.

And for reasons that are not clear, positively charged bolts struck less frequently when the levels of silicon dioxide and other aerosols in the air were high.

Osburn says that a hafnium transistor would still need a thin layer of silicon dioxide at the bottom of the gate insulator to dissipate excess charges that would otherwise accumulate there and interfere with the device.

Diatom exoskeletons, made of silicon dioxide, sometimes seem like tiny, ornate pillboxes, with one half fitting into the other half.

Using JSC's JUQUEEN supercomputer, University of Cologne researchers were able to simulate the structure of silicon dioxide at a variety of different pressures.

Kensaku Morihara and her colleagues at the Nara Women's University in Japan carried out their experiment with silica gel, a form of silicon dioxide which has a surface covered with many cavities.

By growing a layer of silicon dioxide strategically, he managed to block some of the defects in the gallium nitride crystal.

However, the surface is coated in tiny nanoplasmonic mushroom - like structures, known as nanomushrooms, with stems of silicon dioxide and caps of gold.

Earth is rapidly being wired with fiber - optic cables — inexpensive, flexible strands of silicon dioxide that have revolutionized telecommunications.

As a drop cooled just a bit, the researchers pressed a flat piece of silicon dioxide on top to lift just a few flat layers of gallenene.

Researchers fashioned different devices in which the width of the silicon dioxide ranged from 120 to 400 nanometers, as they report in a paper in press at Physical Review Letters.

Ma, who says he has worked with both the Intel and IBM research groups but is not privy to either's design, adds that the presence of silicon dioxide would require chipmakers to add nitrogen to the hafnium oxide as well.

The beauty of silicon dioxide was that manufacturers could grow it simply by placing a silicon wafer into a vessel filled with oxygen, Yale University electrical engineer Tso - Ping Ma says.

Previous research showed that fabricating molybdenum silicide - based composites by pressing and heating their powders — known as powder metallurgy — improved their resistance to fracturing at ambient temperatures but lowered their high - temperature strength, due to the development of silicon dioxide layers within the material.

«We were excited because our calculations showed that crystallization of silicon dioxide crystals from the core could provide an immense new energy source for powering the Earth's magnetic field.»

What the physicists discovered was surprising: although the uppermost layer of the surface always consisted purely of SiO2, the tip of the atomic force microscope experienced different frictional forces depending on the thickness of the silicon dioxide layer.

Tiny grains of silicon dioxide — also called silica — make up most of this ring's particles, the researchers found.

The bimorph is built using atomic layer deposition — chemically «painting» atomically thin layers of silicon dioxide onto aluminum over a cover slip — then wet - transferring a single atomic layer of graphene on top of the stack.

It contains TRACE amounts of silicon dioxide.

Quartz crystals have a unique relationship to the human body because they are both made up of silicon dioxide, a chemical compound that attracts energy and fuels communication.

Foram shells are made up of calcium carbonate (CaCO3) while diatom shells are composed of silicon dioxide (SiO2).

Downsizing silicon to the nanoscale has been shown to reduce this problem, and by combining an abundant and relatively pure form of silicon dioxide and a low - cost chemical reaction, the researchers created lithium - ion half - cell batteries that store almost four times more energy than conventional graphite anodes.

Studying the spectra of these grains, the scientists found that they were made of silicon dioxide, or silica.