Here are some references you can use for the static (dc) permittivity:
For GaInAs: http://www.ioffe.ru/SVA/NSM/Semicond/GaInAs/optic.html (Eps rel~13.1-14.1)
For InAlAs: http://www.iue.tuwien.ac.at/phd/palankovski/node32.html (Eps rel~12.46)
Here are some references you can use for the static (dc) permittivity:
For GaInAs: http:// www.ioffe. ru/SVA/ NSM/Semicond/ GaInAs/ optic.html (Eps rel~13.1-14.1)
For InAlAs: http:// www.iue. tuwien. ac.at/phd/ palankovski/ node32. html (Eps rel~12.46)