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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)[ i ]


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

[CSV - comma separated]   [TXT - tab separated]   [Full database record]

INFO

Aluminium sesquioxide, Al2O3

Other names

  • Alumina
  • Aluminium oxide
  • Aloxite
  • Aluminium oxide (α)
  • Aluminium(III) oxide
  • Dialuminium trioxide

Mineral

  • Corundum

Gemstones

  • Sapphire
  • Ruby

External links