Abstract
The methods of X-ray diffraction analysis and transmission electron microscopy were used to study the structure of coatings based on the Al2Au intermetallic compound. It has been shown that after the deposition, the coating is in an amorphous state. The annealing of the coating at 500°C for 15 min results in initial stages of crystallization. In the annealed coating, signs of a retained amorphous structure and grains of the Al2Au intermetallic compound with a size of 30–100 nm are observed. In addition, a small amount of the intermetallic phase AlAu is fixed in the coating after annealing. Optical characteristics of the annealed sample have been measured; a comparison with literature data on the structure and optical properties of coatings obtained by different methods was performed.
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