Khadka

• Cu-Fe-S-Sn-Zn
• Cu-S-Sn-Zn
• Cu-Fe-S-Sn
• Ir-O-Sr
• Cu-Se-Sn-Zn
• optical properties
• phonons
• structural properties
• Raman spectra
• energy of optical phonon
• disordered
• transitional
• chalcogen
• semiconductor
• conductor
• tetragonal
• cubic