What is the energy band gap of TiAlN.

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Sergei Sergeenkov

Depending on the deposition process, the position of high-frequency band in the Raman spectra can either appear around 700 cm-1 or in the region of 830-850 cm-1.

Check the attached paper for more details.

Abdul Ghafar Wattoo

Thank you Prof. Sergei Sergeenkov for adding your answer.

I want band gap energy ( energy between valance and conduction bands).

Approximate Eg value for TiAlN?

The value of Eg estimated from the absorption data is around 3.5eV.

Abdul, are you still not happy? I'm just curious.

Thanks a lot Prof.Sergei Sergeenkov for solving my problem.

I am really happy.