Tantalum trialuminide (TaAl3) is an inorganicchemical compound. This compound and Ta3Al are stable, refractory, and reflective, and they have been proposed[2] as coatings for use in infrared wave mirrors.
References
^
Lide, David R. (1998), Handbook of Chemistry and Physics (87 ed.), Boca Raton, FL: CRC Press, pp. 4–88, ISBN0-8493-0594-2
^Braun, Hilarion "Substance for front surface mirror" U.S. patent 5,923,464, Issued on July 13, 1999