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)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
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
INFO
Gold-aluminium intermetallic, AuAl2
Other names
- Purple plague
- Purple death
- Roberts-Austen's purple gold
- Purple gold