RefractiveIndex.INFO Refractive index database




Optical constants of Al:ZnO (Aluminium-doped zinc oxide, AZO)
Treharne et al. 2011: n,k 0.3-0.9 µm

Wavelength: µm
 (0.3 – 0.9)  

Derived optical constants

n   k   logX   logY   eV


An Al doped ZnO film (approx 2% wt. Al) was deposited on to a soda-lime glass substrate using RF magnetron sputtering. The resultant film had a resistivity of 4.7x10-4 Ω·cm. A variable-angle ellipsometer was used to take amplitude and phase change measurements. The refractive index and extinction coefficient was extracted from a multi-oscillator model fit to the ellipsometry data, as a function of wavelength, from 300 to 900 nm


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R. E. Treharne, A. Seymour-Pierce, K. Durose, K. Hutchings, S. Roncallo, D. Lane, Optical design and fabrication of fully sputtered CdTe/CdS solar cells, J. Phys: Conf. Ser. 286, 012038, (2011) (Numerical data kindly provided Dr. Robert Treharne)

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Aluminium-doped zinc oxide (AZO), Al:ZnO

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