CAS 12055-23-1

Hafniumoxid

Beschreibung:

Hafniumoxid, auch bekannt als Hafnia, ist eine chemische Verbindung mit der Formel HfO₂. Es ist ein weißer, kristalliner Feststoff, der eine hohe thermische Stabilität aufweist und in Wasser unlöslich ist. Hafniumoxid hat einen hohen Schmelzpunkt und ist bekannt für seine hervorragenden dielektrischen Eigenschaften, was es in der Elektronikindustrie wertvoll macht, insbesondere in der Herstellung von Kondensatoren und als Gate-Dielektrikum in Transistoren. Die Verbindung zeichnet sich auch durch ihren hohen Brechungsindex aus und wird in optischen Beschichtungen verwendet. Hafniumoxid kann in verschiedenen kristallinen Formen existieren, einschließlich monoklinischer, tetragonaler und kubischer Phasen, wobei die tetragonale Phase bei hohen Temperaturen stabil ist. Darüber hinaus ist Hafnia chemisch beständig und kann rauen Umgebungen standhalten, was sie für Anwendungen in Kernreaktoren und als Schutzbeschichtung geeignet macht. Ihre einzigartigen Eigenschaften machen sie auch zu einem Kandidaten für den Einsatz in fortschrittlichen Materialien und Nanotechnologie. Insgesamt ist Hafniumoxid ein vielseitiges Material mit bedeutenden industriellen und technologischen Anwendungen.

Formel: HfO₂

InChl: InChI=1S/Hf.2O

InChI Key: InChIKey=CJNBYAVZURUTKZ-UHFFFAOYSA-N

SMILES: [Hf](=O)=O

Synonyme:

• 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

Formel: HfO₂

Reinheit: 0.5%

Molekulargewicht: 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

Formel: HfO₂

Reinheit: 0.5%

Molekulargewicht: 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

Formel: HfO₂

Reinheit: 1.5%

Farbe und Form: White, Powder

Molekulargewicht: 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

Formel: HfO₂

Molekulargewicht: 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

Formel: HfO₂

Reinheit: 99.9%

Molekulargewicht: 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

Formel: HfO₂

Reinheit: 0.2%

Molekulargewicht: 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

Formel: HfO₂

Reinheit: 99.99%

Molekulargewicht: 210.49

Ref: 02-040620

Hafnium(IV) oxide, 98%

CAS: 12055-23-1

Hafnium(IV) oxide, 98%

Formel: HfO₂

Reinheit: 98%

Farbe und Form: off-white pwdr.

Molekulargewicht: 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

Formel: HfO₂

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

Farbe und Form: off-white pwdr.

Molekulargewicht: 210.49

Ref: 08-72-5200

Hafnium(IV) oxide, lump

CAS: 12055-23-1

Hafnium(IV) oxide, lump

Reinheit: 97%

Molekulargewicht: 210.4888g/mol

Ref: 54-IN1960

Hafnium(IV) oxide

CAS: 12055-23-1

Hafnium(IV) oxide

Reinheit: 99.99%,-200mesh

Farbe und Form: Off-White Powder

Molekulargewicht: 210.49g/mol

Ref: 54-IN1959

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

CAS: 12055-23-1

Formel: HfO₂

Reinheit: ≥ 99.9%

Farbe und Form: White to tan powder or crystal

Molekulargewicht: 210.49

Ref: 7W-GX5168

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

CAS: 12055-23-1

Formel: HfO₂

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

Farbe und Form: White powder

Molekulargewicht: 210.49

Ref: 7W-GX4340

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

CAS: 12055-23-1

Formel: HfO₂

Reinheit: ≥ 99.0%

Farbe und Form: White to off-white powder or crystals

Molekulargewicht: 210.49

Ref: 7W-GX2511

Hafnium oxide, 99.9%

CAS: 12055-23-1

Formel: HfO₂

Reinheit: ≥ 99.9% (excluding Zr)

Farbe und Form: White to off-white powder

Molekulargewicht: 210.49

Ref: 7W-GX8601

Hafnium oxide, 99.9%

CAS: 12055-23-1

Formel: HfO₂

Reinheit: ≥ 99.9% (excluding Zr)

Farbe und Form: White powder

Molekulargewicht: 210.49

Ref: 7W-GX7878

Hafnium oxide, 99.95%

CAS: 12055-23-1

Formel: HfO₂

Molekulargewicht: 210.49

Ref: 7W-GX2093

Hafniumoxide

CAS: 12055-23-1

Reinheit: 98% +(Zr <1.5%)

Molekulargewicht: 210.484

Ref: 10-F988479

Hafnium oxide (HfO2)

CAS: 12055-23-1

Formel: AsMn

Reinheit: 98%

Farbe und Form: Solid

Molekulargewicht: 129.8596

Ref: IN-DA00HFI1