CAS 12055-23-1: Hafnium oxide
Description:Hafnium oxide, also known as hafnia, is a chemical compound with the formula HfO₂. It is a white, crystalline solid that exhibits high thermal stability and is insoluble in water. Hafnium oxide has a high melting point and is known for its excellent dielectric properties, making it valuable in the electronics industry, particularly in the production of capacitors and as a gate dielectric in transistors. The compound is also characterized by its high refractive index and is used in optical coatings. Hafnium oxide can exist in different crystalline forms, including monoclinic, tetragonal, and cubic phases, with the tetragonal phase being stable at high temperatures. Additionally, hafnia is chemically resistant and can withstand harsh environments, which makes it suitable for applications in nuclear reactors and as a protective coating. Its unique properties also make it a candidate for use in advanced materials and nanotechnology. Overall, hafnium oxide is a versatile material with significant industrial and technological applications.
Formula:HfO2
InChI:InChI=1S/Hf.2O
InChI key:InChIKey=CJNBYAVZURUTKZ-UHFFFAOYSA-N
SMILES:O=[Hf]=O
- Synonyms:
- Dioxido De Hafnio
- Dioxohafnium
- Dioxyde d'hafnium
- Hafnia
- Hafnia (HfO2)
- Hafnia (HfO<sub>2</sub>)
- Hafnium (IV)�oxide (99.998%-Hf) PURATREM
- Hafnium dioxide
- Hafnium dioxide (HfO2)
- Hafnium dioxide (HfO<sub>2</sub>)
- See more synonyms
- Hafnium oxide
- Hafnium oxide (HfO2)
- Hafnium oxide (HfO<sub>2</sub>)
- Hafnium(+4) Cation
- Hafniumdioxid
- Hafniumoxideoffwhitepowder
- Hafniumoxidesinteredlumps
- Hafnotrast
- Hf 05
- Hf 05 (oxide)
- Nsc 158931
- Oxygen(-2) Anion
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Hafnium(IV) oxide, 99.95%, (metals basis excluding Zr), Zr typically <0.5%
Ref: 02-035666
1g | To inquire | ||
5g | To inquire | ||
25g | To inquire |
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Hafnium(IV) oxide, 99.9% (metals basis excluding Zr), Zr <0.5%
Ref: 02-036204
10g | To inquire | ||
50g | To inquire |
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Hafnium(IV) oxide, 99% (metals basis excluding Zr), Zr <1.5%
Ref: 02-011835
25g | To inquire | ||
100g | To inquire |
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Hafnium(IV) oxide, tech.
Ref: 02-040270
100g | To inquire | ||
500g | To inquire |
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Hafnium(IV) oxide, Spectrographic Grade, 99.9% (metals basis excluding Zr), Zr typically <80ppm
Ref: 02-011836
2g | To inquire | ||
10g | To inquire |
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Hafnium(IV) oxide, 99.995%, (metals basis excluding Zr), Zr typically <0.2%
Ref: 02-045483
1g | To inquire | ||
5g | To inquire |
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Hafnium(IV) oxide, 99.99% (metals basis excluding Zr), Zr <100ppm
Ref: 02-040620
1g | To inquire | ||
5g | To inquire |
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Hafnium(IV) oxide (99.995%-Hf, <0.15% Zr) PURATREM
Ref: 08-72-5200
1g | 142.00 € | ||
5g | 524.00 € |
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Hafnium oxide (HfO2)
Ref: IN-DA00HFI1
1g | 24.00 € | ||
5g | 46.00 € | ||
25g | 102.00 € | ||
100g | 270.00 € | ||
500g | To inquire |
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Ref: 54-IN1960
5g | 32.00 € | ||
25g | 114.00 € | ||
100g | 343.00 € | ||
500g | 1,496.00 € |
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Hafnium(IV) oxide
Ref: 54-IN1959
Undefined size | To inquire |
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Hafnium(IV) oxide nanopowder, 70nm, 99.9%
Ref: 7W-GX5168
Undefined size | To inquire |
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Ref: 7W-GX2093
5g | 198.00 € | ||
25g | 429.00 € |
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Hafnium oxide, 99+% (contains max. 0.5% Zr)
Ref: 7W-GX2511
50g | 520.00 € | ||
250g | 2,101.00 € |
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Hafnium oxide, 99.9%
Ref: 7W-GX8601
10g | 198.00 € | ||
50g | 479.00 € |
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Hafnium oxide, 99+% (contains max. 4.5% Zr)
Ref: 7W-GX4340
100g | 214.00 € | ||
250g | 372.00 € |
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Hafnium oxide, 99.9%
Ref: 7W-GX7878
10g | 239.00 € | ||
50g | 603.00 € |
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Ref: 10-F988479
25g | To inquire | ||
100g | To inquire |
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Hafnium(IV) oxide, 98%
Ref: 08-93-7204
10g | 50.00 € | ||
50g | 182.00 € |
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Ref: 10-F099766
100mg | Discontinued | Request information |
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Hafnium oxide
Ref: 3D-MAA05523
2g | Discontinued | Request information | |
5g | Discontinued | Request information | |
10g | Discontinued | Request information | |
25g | Discontinued | Request information | |
50g | Discontinued | Request information | |
100g | Discontinued | Request information | |
250g | Discontinued | Request information | |
500g | Discontinued | Request information |