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: [Hf](=O)=O

Synonyms:

• Dioxido De Hafnio
• Dioxohafnium
• Dioxyde d'hafnium
• Hafnia
• Hafnia (HfO2)
• Hafnia (HfO₂)
• Hafnium (IV)�oxide (99.998%-Hf) PURATREM
• Hafnium dioxide
• Hafnium dioxide (HfO2)
• Hafnium dioxide (HfO₂)
• Hafnium oxide
• Hafnium oxide (HfO2)
• Hafnium oxide (HfO₂)
• Hafnium(+4) Cation
• Hafniumdioxid
• Hafniumoxideoffwhitepowder
• Hafniumoxidesinteredlumps
• Hafnotrast
• Hf 05
• Hf 05 (oxide)
• Nsc 158931

Hafnium(IV) oxide, 99.95%, (metals basis excluding Zr), Zr typically <0.5%

CAS: 12055-23-1

Hafnium(IV) oxide is used in optical coatings and in advanced metal-oxide-semiconductor devices. It is used as a gate insulator in field-effect transistors due to its high dielectric constant. It plays an important role as a possible candidate for resistive-switching memories, as a refractory materi

Formula: HfO₂

Purity: 0.5%

Molecular weight: 210.49

Ref: 02-035666

Hafnium(IV) oxide, 99.9% (metals basis excluding Zr), Zr <0.5%

CAS: 12055-23-1

Hafnium(IV) oxide is an intermediate. Hafnia is used in optical coatings, and as a high- dielectric in DRAM capacitors and in advanced metal-oxide-semiconductor devices. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and lab

Formula: HfO₂

Purity: 0.5%

Molecular weight: 210.49

Ref: 02-036204

Hafnium(IV) oxide, 99% (metals basis excluding Zr), Zr <1.5%

CAS: 12055-23-1

Hafnium(IV) oxide is used in optical coatings and in advanced metal-oxide-semiconductor devices. It is used as a gate insulator in field-effect transistors due to its high dielectric constant. It plays an important role as a possible candidate for resistive-switching memories, as a refractory materi

Formula: HfO₂

Purity: 1.5%

Color and Shape: White, Powder

Molecular weight: 210.49

Ref: 02-011835

Hafnium(IV) oxide, tech.

CAS: 12055-23-1

Hafnium(IV) oxide is used in optical coatings and in advanced metal-oxide-semiconductor devices. It is used as a gate insulator in field-effect transistors due to its high dielectric constant. It plays an important role as a possible candidate for resistive-switching memories, as a refractory materi

Formula: HfO₂

Molecular weight: 210.49

Ref: 02-040270

Hafnium(IV) oxide, Spectrographic Grade, 99.9% (metals basis excluding Zr), Zr typically <80ppm

CAS: 12055-23-1

Hafnium(IV) oxide is used in optical coatings and in advanced metal-oxide-semiconductor devices. It is used as a gate insulator in field-effect transistors due to its high dielectric constant. It plays an important role as a possible candidate for resistive-switching memories, as a refractory materi

Formula: HfO₂

Purity: 99.9%

Molecular weight: 210.49

Ref: 02-011836

Hafnium(IV) oxide, 99.995%, (metals basis excluding Zr), Zr typically <0.2%

CAS: 12055-23-1

Hafnium(IV) oxide is used in optical coatings and in advanced metal-oxide-semiconductor devices. It is used as a gate insulator in field-effect transistors due to its high dielectric constant. It plays an important role as a possible candidate for resistive-switching memories, as a refractory materi

Formula: HfO₂

Purity: 0.2%

Molecular weight: 210.49

Ref: 02-045483

Hafnium(IV) oxide, 99.99% (metals basis excluding Zr), Zr <100ppm

CAS: 12055-23-1

Hafnium(IV) oxide is used as Intermediates, Paint additives and coating additives, metal Products. And it is also used in optical coatings, as a refractory material in the insulation of such devices as thermocouples. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesa

Formula: HfO₂

Purity: 99.99%

Molecular weight: 210.49

Ref: 02-040620

Hafnium(IV) oxide, 98%

CAS: 12055-23-1

Hafnium(IV) oxide, 98%

Formula: HfO₂

Purity: 98%

Color and Shape: off-white pwdr.

Molecular weight: 210.49

Ref: 08-93-7204

Hafnium(IV) oxide (99.995%-Hf, <0.15% Zr) PURATREM

CAS: 12055-23-1

Hafnium(IV) oxide (99.995%-Hf, <0.15% Zr) PURATREM

Formula: HfO₂

Purity: (99.995%-Hf, <0.15% Zr)

Color and Shape: off-white pwdr.

Molecular weight: 210.49

Ref: 08-72-5200

Hafnium(IV) oxide, lump

CAS: 12055-23-1

Hafnium(IV) oxide, lump

Purity: 97%

Molecular weight: 210.4888g/mol

Ref: 54-IN1960

Hafnium(IV) oxide

CAS: 12055-23-1

Hafnium(IV) oxide

Purity: 99.99%,-200mesh

Color and Shape: Off-White Powder

Molecular weight: 210.49g/mol

Ref: 54-IN1959

Hafnium(IV) oxide nanopowder, 70nm, 99.9%

CAS: 12055-23-1

Formula: HfO₂

Purity: ≥ 99.9%

Color and Shape: White to tan powder or crystal

Molecular weight: 210.49

Ref: 7W-GX5168

Hafnium oxide, 99+% (contains max. 4.5% Zr)

CAS: 12055-23-1

Formula: HfO₂

Purity: ≥ 99.0% (sum of Hf and Zr oxides after calcination)

Color and Shape: White powder

Molecular weight: 210.49

Ref: 7W-GX4340

Hafnium oxide, 99+% (contains max. 0.5% Zr)

CAS: 12055-23-1

Formula: HfO₂

Purity: ≥ 99.0%

Color and Shape: White to off-white powder or crystals

Molecular weight: 210.49

Ref: 7W-GX2511

Hafnium oxide, 99.9%

CAS: 12055-23-1

Formula: HfO₂

Purity: ≥ 99.9% (excluding Zr)

Color and Shape: White to off-white powder

Molecular weight: 210.49

Ref: 7W-GX8601

Hafnium oxide, 99.9%

CAS: 12055-23-1

Formula: HfO₂

Purity: ≥ 99.9% (excluding Zr)

Color and Shape: White powder

Molecular weight: 210.49

Ref: 7W-GX7878

Hafnium oxide, 99.95%

CAS: 12055-23-1

Formula: HfO₂

Molecular weight: 210.49

Ref: 7W-GX2093

Hafniumoxide

CAS: 12055-23-1

Purity: 98% +(Zr <1.5%)

Molecular weight: 210.484

Ref: 10-F988479

Hafnium oxide (HfO2)

CAS: 12055-23-1

Formula: AsMn

Purity: 98%

Color and Shape: Solid

Molecular weight: 129.8596

Ref: IN-DA00HFI1