STRUCTURAL FEATURES OF SOLID SOLUTIONS (InSb)1-x(Sn2)x FILMS GROWN FROM A LIQUID PHASE ON GaAs SUBSTRATES AND SOME PHOTOELECTRIC PROPERTIES OF HETEROSTRUCTURES ON THEIR BASIS

Author: Saidov Amin Safarbayevich, Usmonov Shukrullo Negmatovich, Asatova Umida Palvanovna, Tolmas Ishniyazov

Abstract:

Layers  of  solid  solutions  (InSb)1-x(Sn2)x  on  (100)  GaAs  and (100)  GaP  substrates  were  grown  by  liquid  phase  epitaxy  from  an  indium  melt 
solution. The solid solution (InSb)1-x(Sn2)x (0 ≤х≤ 0.05) had a mono-crystal structure with  the  orientation  (100),  constant  of  the  lattice  as.s.  =  6.486  Å  and  the  hole conductivity type. The spectral dependence of the absorption coefficient was used to estimate the band gap of the epitaxial layer of the solid solution, which was 0.11 eV. The  spectral  photosensitivity  of  n-GaAs–p-(InSb)1-x(Sn2)x  and  n-GaP–p-(InSb)1-x(Sn2)x heterostructures covers the wavelength range from 1.0 to 5.3 μm.