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Hafnium Oxide (HfO2)-Granules
  • Hafnium Oxide (HfO2)-Granules

Hafnium Oxide (HfO2)-Granules

Hafnium(IV) oxide with CAS 12055-23-1 is the inorganic compound with the formula HfO2, submicron and nanopowder forms may be considered for industrial and application purpose. The appearance of Hafnium(IV) oxide is off-white. It mainly applied in the optical coatings, and as a high-κ dielectric in DRAM capacitors and in advanced metal-oxide-semiconductor devices.
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Hafnium Oxide (HfO2)-Granules introduce:

About Hafnium Oxide:

Hafnium(IV) oxide with CAS 12055-23-1 is the inorganic compound with the formula HfO2. Also known as hafnia, this colourless solid is one of the most common and stable compounds of hafnium. It is an electrical insulator with a band gap of 5.3~5.7 eV. Hafnium dioxide is an intermediate in some processes that give hafnium metal.

Specifications and properties of Hafnium Oxide:

Chemical formula:HfO2
Molar mass:210.49 g/mol
Appearance:off-white powder
Density:9.68 g/cm3, solid
Melting point:2,758 °C (4,996 °F; 3,031 K)
Boiling point:5,400 °C (9,750 °F; 5,670 K)
Solubility in water:insoluble
Magnetic susceptibility (χ):−23.0·10−6 cm3/mol


Application of Hafnium Oxide:
Hafnia is used in optical coatings, and as a high-κ dielectric in DRAM capacitors and in advanced metal-oxide-semiconductor devices.

In recent years, hafnium oxide (as well as doped and oxygen-deficient hafnium oxide) attracts additional interest as a possible candidate for resistive-switching memories and CMOS-compatible ferroelectric field effect transistors (FeFET memory) and memory chips.

Because of its very high melting point, hafnia is also used as a refractory material in the insulation of such devices as thermocouples, where it can operate at temperatures up to 2500 °C.

Multilayered films of hafnium dioxide, silica, and other materials have been developed for use in passive cooling of buildings. The films reflect sunlight and radiate heat at wavelengths that pass through Earth's atmosphere, and can have temperatures several degrees cooler than surrounding materials under the same conditions.


Storage Condition of Hafnium Oxide Powder:

Damp reunion will affect Hafnium Oxide powder dispersion performance and using effects, therefore,Hafnium Oxide Powder should be sealed in vacuum packing and stored in cool and dry room, the Hafnium Oxide Powder can not be exposure to air. In addition, the Hafnium Oxide powder should be avoided under stress.


Packing & Shipping of Hafnium Oxide Powder:

We have many different kinds of packing which depends on the Hafnium Oxide Powder quantity.

Hafnium Oxide Powder packing:vacuum packing, 100g, 500g or 1kg/bag, 25kg/barrel, or as your request.

Hafnium Oxide Powder shipping:could be shipped out by sea , by air, by express as soon as possible once payment receipt.

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