Cu-S-Ta, Disordered, Sulfide

• Cu-K-Nb-S-Ta
• Cu-S-Se-Ta
• Cu-Nb-S-Ta
• Cu-S-Ta-V
• thermal and thermodynamic properties
• optical properties
• phonons
• wavenumber of optical phonon
• electronic and electrical properties
• transitional
• disordered
• sulfide
• chalcogen
• hexagonal
• orthorhombic
• cubic
• trigonal
• monoclinic