Skip to Content
Merck
CN

769398

Sigma-Aldrich

Hafnium(IV) oxide

pellets, diam. × thickness 9 mm × 4.2 mm

Synonym(s):

Hafnia

Sign Into View Organizational & Contract Pricing

Select a Size


About This Item

Empirical Formula (Hill Notation):
HfO2
CAS Number:
Molecular Weight:
210.49
EC Number:
MDL number:
UNSPSC Code:
12352200
NACRES:
NA.23
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

form

pellets

diam. × thickness

9 mm × 4.2 mm

impurities

≤0.1% PBB (polybrominated biphenyls)
≤0.1% PBDE (polybrominated diphenyl ethers)

density

9.68 g/mL at 25 °C (lit.)

cation traces

Cd: ≤0.01%
Co: ≤0.0005%
Cr: ≤0.005%
Cu: ≤0.0005%
Fe: ≤0.005%
Hg: ≤0.1%
Pb: ≤0.1%
Ti: ≤0.005%
V: ≤0.005%
Zr: ≤1.0%

SMILES string

O=[Hf]=O

InChI

1S/Hf.2O

InChI key

CJNBYAVZURUTKZ-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Application

High dielectric constant of hafnia makes it suitable for application in metal oxide based semiconductor devices. It also finds applications as optical coating materials.

Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

新产品

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Dual wavelength laser-induced damage threshold measurements of alumina/silica and hafnia/silica ultraviolet antireflective coatings.
Mrohs, M., et al.
Applied Optics, 55(1), 104-109 (2016)
Recent progress in ab initio simulations of hafnia-based gate stacks
Zhu, H., et al.
J. Mater. Sci., 47(21), 7399-7416 (2012)

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service