CsSb2Se4 aP14 2

• Cs-S-Sb
• Cs-Sb-Se
• Rb-Sb-Se
• K-Sb-Se
• optical properties
• phonons
• wavenumber of optical phonon
• structural properties
• Raman spectra
• alkali
• chalcogen
• non-disordered
• metalloid
• ternary
• triclinic