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Low-temperature photoluminescence spectra of TlInxGa1-xS2 layer mixed crystals

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Fig.  1. Photoluminescence  spectra  of  TlInS*  crystal  at  (3)  All  the  bands  observed  in  the  present  work  different  temperatures:  (a)  1, 2,  3,  4  -  220,  180,  150,  were  slightly  shifted  to  the  blue  side  of  the  spectra  in  120
Fig.  2. Energy  positions  of  the  photoluminescence  bands  of  TlIn,Gal_,S2  mixed  crystals  vs temperature  under  excitation  density  1,  =  9 W cm-*
Fig.  3. Photoluminescence  spectra  of  TlInS2  crystal  at  T =  14 K  at  various  excitation  densities:  1, 0.027;  2,  0.135;  3,  0.27;  4,  1.17;  5,  2.25;  6,  3.6;  7,  4.5;  8,  6.3;  9,  9 W cmm2
Fig.  4. Dependence  of  the  photoluminescence  intensity  on  the  excitation  density  for  TIInS,  crystal  at  T  =  14 K  for  different  bands:  l  ,  A;  0,  E;  A, F;  A,  G

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