What is Hafnium Disilicide

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What is Hafnium Disilicide HFSi2?

Hafnium disilicide, also known as hafnium silicide with the molecular formula HfSi2 has the molecular weight of 234.66. It’s gray-colored.

Hafnium diilicide is a type of transition metal silicide and also a form of refractory intrametallic compound. Hafnium is a great physical and chemical agent that can be used to create semiconductor components with complementary metal oxides and thin film coatings. It is also used to create bulk structural components photovoltaic materials, as well as other fields.

Hafnium nanomaterials, which are disilicide nanomaterials, have exceptional electrical, visual and thermoelectric properties.

What exactly is Hafnium Diilicide HfSi2 used for?

1. To prepare silicon carbide-hafnium silicide-tantalum silicide (SiC-HfSi2-TaSi2) anti-ablation composite coating

Carbon fiber reinforced carbon (Chand C), composite is a novel kind of high-temperature composite that uses carbon fiber reinforcement as well as pyrolyticcarbon as the matrix. Due to its strength at high temperatures and ablation resistance, as in addition to its excellent frictional and wear properties, the United States began research on Chammer C-composites for thermal structure in the beginning of the 1970s. This led to the development Cmax C, which is a combination of thermal structure materials and heated materials that are cauterized. As a structural material for thermal use, C/C composite can be utilized in gas turbine engine components, space shuttle nose cone cap, wing leading edge and so on. These components operate at extreme temperatures and conditions of oxidation.

CPAC composites may oxidize quickly and are unable to perform in an oxidation environment exceeding 400. This is why it is necessary to have proper protection against oxidation of the Chammer-C composites and the preparation of anti-oxidation coating is one of the main protective measures. The results reveal that C/C composites can be enhanced resistance to the oxidation process by adding refractory Metal Zr Tf,,, TiB2 as well as other refractory Metals in their carbon matrix. To understand better the effects of the metal Hf.Ta on Chand C composites’ capacity to ablate, SiC-HfSi2-TaSi2 anti ablation coatings were developed. The ablation effectiveness of the anti-abllation coatings was assessed using an optical ablation device made of oxyacetylene. Knot.

2. To make organic light-emitting device

The package cover covers the layers that emit light and the cathode on the anode. The silicon carbonitride coating acts as a barrier to protect the silicon carbonitride. The barrier layer comprises silicide and metal oxides chosen from at least one of chromium silicide, hafnium silicide, tantalum disilicide, molybdenum disilicide, titanium disilicide and tungsten disilicide and the metal oxide is chosen from magnesium oxide, aluminum trioxide, titanium dioxide, zirconium oxide hafnium dioxide, tantalum pentoxide. Organic light emitting devices mentioned in the previous paragraph has a greater life duration.

3. To prepare silicon-germanium alloy-based thermoelectric elements

The thermoelectric element made of silicon-germanium alloy is comprised of an electrode layer a silicon–germanium alloy-based thermoelectric layers and a barrier between the electrode layer a the thermoelectric layer made of silicon-germanium alloy. The barrier layer consists of silicide mixed with silicon nitride. The silicide is at minimum one of the silicides such as molybdenum tungsten tungsten silicide tungsten silicide cobalt tungsten nickel silicide niobium silicide zirconium, tantalum ilicide and hafnium siliicide. The interface of the silicon-germanium alloy-based thermoelectric element is well connected, there isn’t a crack or obvious diffusion phenomenon at the interface. The contact resistance is low, the temperature of contact is excellent and it can stand up to the high temperature test over a long duration.

4. To prepare an acetylene composite that is resistant to extreme temperatures and the oxidation process.

The composite film’s composition is composed of refractory metal, refractory carbid and intermetallic compounds. The thickness of the coating varies from 10mm to 50mm. The Refractory element is one more, of molybdenum. tantalum. zirconium. and hafnium. The crystal structure for the coating is made up of polycrystalline nanoparticles or amorphous ones.

Hafnium Silicide HfSi2 Price

The demand and supply in the market, trends within the industry, the market’s economic activity and unexpected events could influence the cost.

For the most up-to-date HfSi2 powder prices contact us for a price estimate.

Hafnium Silicide HfSi2 powder Supplier

Nanouniverse-library Nano Technology Co. Ltd. is a reputable world-wide manufacturer and supplier of chemical substances. They have over 12 years’ experience in manufacturing super-high-quality chemicals and nanomaterials such as silicon powder, nitride & graphite powders, zinc sulfide powders, calcium nitride, and 3D printing powders.

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