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Costa-Rica Hafnium dioxide
Category:
Costa-RicaOptical Coating Materials
Product Description
Product Overview:
Hafnium Dioxide (HfO2) is an inorganic compound with the chemical formula HfO2, which is an oxide of the hafnium element. It is a white solid at room temperature and pressure, insoluble in water, and does not dissolve in hydrochloric acid and nitric acid, but can dissolve in concentrated sulfuric acid, among others. Hafnium dioxide plays an important role in optical coatings, and its excellent optical performance, physical and chemical properties, and wide range of applications make it a significant member of optical coating materials.
Product Parameters:
Popular Products |
Hafnium Dioxide Particles |
Hafnium Dioxide Particles |
Appearance |
White |
Black |
Purity |
≥99.99% |
≥99.99% |
Specifications |
1-3mm |
1-3mm |
More models have different parameters, please contact customer service for detailed parameters. |
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Product Features:
1. Hafnium dioxide has a high refractive index, reaching about 2.0 at a wavelength of 500nm (some data shows it as 2.13, which may relate to specific preparation processes and measurement conditions). The high refractive index allows hafnium dioxide to alter the propagation path of light in optical coatings, achieving specific optical effects.
2. Hafnium dioxide has a wide transmission wavelength range, with good transmittance from far ultraviolet (200nm) to infrared (8000nm). This characteristic enables hafnium dioxide to perform excellently in various optical instruments and systems.
3. Hafnium dioxide films have high hardness and good wear resistance, which helps protect substrate materials in optical coatings and extend the lifespan of optical components.
4. Hafnium dioxide has strong adhesion to various substrate materials (such as quartz glass, CaF₂, etc.), which helps ensure the stability and reliability of the coatings.
5. Hafnium dioxide exhibits good chemical inertness and strong corrosion resistance, maintaining stability in harsh environments.
6. Hafnium dioxide is one of the key materials for preparing high laser damage threshold (LIDT) laser films. Its high refractive index and excellent physical properties allow it to maintain stable performance in high-power laser environments.
7. Hafnium dioxide is widely used in optical coatings, enhancing the performance of optical instruments. For example, it can be used as a component in anti-reflective films, reflective films, or filter films to improve the transmittance, reflectance, or filtering effects of optical systems.
8. Hafnium dioxide is also widely used in the electronics industry, ceramics industry, and other fields. In the electronics industry, it is commonly used as an insulating material for microelectronic devices; in the ceramics industry, it can enhance the crack resistance and other properties of ceramics.
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+86 15931391033
Company Address
1803, Block C, Wanda Plaza Office Building, Yuhua District, Shijiazhuang City, Hebei Province