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Optical constants of AuAl2 (Gold-aluminium intermetallic, Purple plague)
Supansomboon et al. 2008: n,k 0.300-1.32 µm

Wavelength: µm
 (0.300 – 1.320)  
 

Derived optical constants

n   k   logX   logY   eV

Comments

68 nm thick AuAl2 film produced by 8 min of sputtering. Room temperature.

References

S. Supansomboon, A. I. Maaroof, M. B. Cortie. "Purple glory": The optical properties and technology of AuAl2 coatings, Gold Bulletin 41, 296-304 (2008)

Data

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INFO

Gold-aluminium intermetallic, AuAl2

Other names

  • Purple plague
  • Purple death
  • Roberts-Austen's purple gold
  • Purple gold

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