Hafnium Oxide: HfO2

Hafnium Oxide – HfO2

Molecular Formula: HfO2
Color of Material: White
Specification: Per Customer request

Parameter Table
Refractive Index 1.99 @ 550nm
Light Absorption Coefficient <9*10-4 @ 550nm
Transmission of Wavelength 220 to 12000 nm
Evaporation Temperature 2700°C
Evaporation Source E,RS
Thermal Conductivity 23.0 W/m-1 –K-1
Dielectric Constant About 20
Coefficient of Expansion 5.9 um – m-1
Molecular Weight 123.22 g/mole
Density 9.68 g/cm3
Melting Point 2812°C
Solubility Does not dissolve in water, dissolves in alkali
Applications Anti-reflection, multi-layer filters and band pass applications

HfO2 Wave

Notes:

Evaporation source, RH – resistance heating
EB-electron beam, S – Sputtering

The information on index of refraction are from public sources and will vary with method and conditions of deposition.