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Merck
CN

202118

Hafnium(IV) oxide

powder, 98%

Synonym(s):

Hafnia, Hafnium dioxide, Hafnium oxide

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About This Item

Empirical Formula (Hill Notation):
HfO2
CAS Number:
Molecular Weight:
210.49
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352303
EC Number:
235-013-2
MDL number:
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Product Name

Hafnium(IV) oxide, powder, 98%

InChI key

CJNBYAVZURUTKZ-UHFFFAOYSA-N

InChI

1S/Hf.2O

SMILES string

O=[Hf]=O

assay

98%

form

powder

density

9.68 g/mL at 25 °C (lit.)

Quality Level

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Application

  • Hafnium(IV) oxide: Utilized predominantly in the semiconductor industry, Hafnium(IV) oxide offers excellent thermal and chemical stability, which makes it suitable as a high-k gate dielectric material in metal-oxide-semiconductor (MOS) devices. Its application has become increasingly important with the miniaturization of electronic components, aiding in the enhancement of transistor performance without further reducing the component size. This role is critical in the development of more efficient, faster computing technologies (Sigma-Aldrich, CAS 12055-23-1).

Storage Class

11 - Combustible Solids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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In recent years silicon carbide, SiC, has re-emerged as a vital technological material that is crucial in many materials and engineering applications.

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