Optical constants of Al2O3 (Aluminium sesquioxide, Sapphire, Alumina)
Zhukovsky et al. 2015: Thin film; n 0.211–1.69 µm
Wavelength:
µm
(0.211002–1.689842)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Conditions & Spec sheet
n_is_absolute: true wavelength_is_vacuum: true film_thickness: 20 nm substrate: Si
Comments
20 nm thick films on Si substrate deposited by atomic layer deposition (ALD) at 120 °C deposition temperature.
References
S. V. Zhukovsky, A. Andryieuski, O. Takayama, E. Shkondin, R. Malureanu, F. Jensen, A. V. Lavrinenko. Experimental demonstration of effective medium approximation breakdown in deeply subwavelength all-dielectric multilayers, Phys. Rev. Lett. 115, 177402 (2015) (Numerical data kindly provided by Osamu Takayama)
Data
INFO
Aluminium sesquioxide, Al2O3
Other names
- Alumina
- Aluminium oxide
- Aloxite
- Aluminium oxide (α)
- Aluminium(III) oxide
- Dialuminium trioxide
Mineral
- Corundum
Gemstones
- Sapphire
- Ruby