# this file is part of refractiveindex.info database
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REFERENCES: "T. M. Hartnett et al.. Optical properties of ALON (aluminum oxynitride), <a href=\"https://doi.org/10.1016/S1350-4495(98)00007-3\"><i>IR Phys. Technol</i>, <b>39</b>, 203-211 (1998)</a>"
COMMENTS: "Nitrogen content: 6.69 at.%"
DATA:
  - type: formula 1
    range: 0.24 5.6
    coefficients: 0 2.1375 0.10256 4.5817 18.868