Formula ZrO2:Y (9.5 mol% Y2O3)
Growth method Skull melting
Max. sizes, (mm) Ø50.8
Transmission range, (µm)
(Thickness 15 mm)
0.43 – 5.0
Structure cubic
Density (g/cm3) 5.92
Melting point (°C) 2780
Hardness (Mohs) 8.7
Thermal expansion coefficient (10-6/K) 9.2
Thermal conductivity (W m-1 K-1) 1.8
Thermal optical coefficient (10-6/K)
Solubility in water (g/100 cm3) undeclared
Solubility in acids undeclared
Solubility in organic solvents undeclared
Wavelength (µm)
Refractive index
4.0
2.24
Absorption coefficient (cm-1)

Yttria-stabilized Zirconium Oxide for VIS and IR-range