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Au-Si droplets on the surface of the substrate act to lower the activation energy of normal vapor-solid growth. For example, Si can be deposited by means of a SiCl 4:H 2 gaseous mixture reaction (chemical vapor deposition), only at temperatures above 800 °C, in normal vapor-solid growth. Moreover, below this temperature almost no Si is ...
Chemical vapor deposition (CVD) is a vacuum deposition method used to produce high-quality, and high-performance, solid materials. The process is often used in the semiconductor industry to produce thin films .
When the vapor source is a liquid or solid, the process is called physical vapor deposition (PVD), [3] which is used in semiconductor devices, thin-film solar panels, and glass coatings. [4] When the source is a chemical vapor precursor, the process is called chemical vapor deposition (CVD).
Techniques have been developed to produce carbon nanotubes (CNTs) in sizable quantities, including arc discharge, laser ablation, high-pressure carbon monoxide disproportionation, and chemical vapor deposition (CVD). Most of these processes take place in a vacuum or with process gases.
Nitrogen-doped carbon nanotubes (N-CNTs) can be produced through five main methods; chemical vapor deposition (CVD), [1] [2] high-temperature and high-pressure reactions, gas-solid reaction of amorphous carbon with NH 3 at high temperature, [3] solid reaction, [4] and solvothermal synthesis. [5]
Eventually a second atom is deposited; in all likelihood it will eventually meet the first atom. [2] Once the two atoms meet they may bond to form a particle with a higher mass and a lower random walk velocity. Because the bonded particles are now more stable and less mobile than before, they are called an "island."
Plasma-enhanced chemical vapor deposition (PECVD) is a chemical vapor deposition process used to deposit thin films from a gas state to a solid state on a substrate. Chemical reactions are involved in the process, which occur after creation of a plasma of the reacting gases.
This category is being considered for merging into Category:Chemical vapor deposition. This does not mean that any of the pages in the category will be deleted. They may, however, be recategorized. Please share your thoughts on the matter at this category's entry on the Categories for discussion page. Please do not empty the category or remove ...