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Hafnium(IV) oxide, 99.995%, (metals basis excluding Zr), Zr typically <0.2%
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Alfa Aesar By Thermo Fisher Scientific logo

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

CAS: 12055-23-1

Ref. 02-045483

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Estimated delivery in United States, on Wednesday 4 Dec 2024

Product Information

Name:
Hafnium(IV) oxide, 99.995%, (metals basis excluding Zr), Zr typically <0.2%
Synonyms:
  • hafnium(IV) oxide
  • 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)
  • See more synonyms
  • Hafnium dioxide (HfO<sub>2</sub>)
  • 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
Description:

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 material in the insulation of devices such as thermocouples and as a high-κ dielectric in DRAM capacitors. It is also used in the preparation of hafnium tetrachloride. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Notice:
Our products are intended for lab use only. For any other use, please contact us.
Brand:
Alfa Aesar By Thermo Fisher Scientific
Long term storage:
Notes:

Chemical properties

Molecular weight:
210.49
Formula:
HfO2
Purity:
0.2%
InChI key:
WIHZLLGSGQNAGK-UHFFFAOYSA-N
MDL:
Melting point:
Boiling point:
Flash point:
Density:
Concentration:
EINECS:
Merck:
HS code:

Hazard Info

UN Number:
EQ:
Class:
H Statements:
P Statements:
Forbidden to fly:
Hazard Info:
Packing Group:
LQ:

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