silicon dioxide

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Related to silicon oxide: silicon dioxide, Silicon nitride

silicon dioxide:

see silicasilica
or silicon dioxide,
chemical compound, SiO2. It is insoluble in water, slightly soluble in alkalies, and soluble in dilute hydrofluoric acid. Pure silica is colorless to white.
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silicon dioxide

[′sil·ə·kən dī′äk‚sīd]
(inorganic chemistry)
SiO2 Colorless, transparent crystals, soluble in molten alkalies and hydrofluoric acid; melts at 1710°C; used to make glass, ceramic products, abrasives, foundry molds, and concrete.

silica, silicon dioxide

A white or colorless substance, nearly insoluble in water and in all acids except hydrofluoric; extremely hard; fuses to a colorless amorphous glass.

silicon dioxide

(SiO2) A hard, glassy mineral found in materials such as rock, quartz, sand and opal. In metal oxide semiconductor (MOS) chip fabrication, silicon dioxide is used to create the insulation layer between the metal gates of the top layer and the silicon elements below. See silica gel.
References in periodicals archive ?
The ash content analysis (Figure 5) yields the highest value of ashes for the fiber grafted with VTMS/DCP, confirming that the increase of ashes corresponds to the formation of silicon oxide.
The silicon oxide layer applied using inert barrier technology is around 500 times thinner than a human hair.
Chao Chair in Chemistry as well as a professor of mechanical engineering and materials science and of computer science; lead author Jun Yao, a former graduate student at Rice and now a post-doctoral researcher at Harvard; Jian Lin, a Rice postdoctoral researcher, and their colleagues details memories that are 95 percent transparent, made of silicon oxide and crossbar graphene terminals on flexible plastic.
Unlike other silicon oxide chips currently in development, the UCL chip does not require a vacuum to work, and is therefore potentially cheaper and more durable.
They accurately describe the thin silicon oxide growth kinetics than the Deal-Grove model, but the Deal-Grove model is often applied thermal oxidation of a broad assessment of adaptation options and its simplicity.
The film is based on Mitsubishi's Techbarrier film which has a silicon oxide coating, but the company is not saying what is different about X Barrier to give it higher performance.
The water repellent layer is a silicon oxide carbide film with the atomic percent of Si:O:C m a range of 100:40 to 120:80 to 160, and a 2 to 300nm thickness.
SIG's Plasma Impulse Coating Vapor Deposition (PICVD) system applies a silicon oxide coating less than 0.
Mondi Packaging Flexibles developed a new three-layer material combination using silicon oxide or aluminium oxide, which solves this problem.
It supplies process retrofits and know how to convert standard vacuum metallisers to produce speciality coatings including high refractive index, silicon oxide, chrome alloy, silver and copper.
Unlike basic units of silicon oxide and other metal oxides in widely used porous crystalline materials, the germanium-oxide units form secondary structures that contain six tetrahedra and four octahedra.
The new PET package is said to feature an inner surface covered with a silicon oxide.