Raman scattering by LO phonons in GaAs/AlAs superlattices with ultrathin AlAs layers Gaǐsler, V. A. ; Ténné, D. A. ; Govorov, A. O. ; Bakarov, A. K. ; Toropov, A. I. ; Shebanin, A. P. Abstract Publication: Soviet Journal of Experimental and Theoretical Physics Letters Pub Date: February 1993 Bibcode: 1993JETPL..57..231G