Kapoutsis

• Ba-Cu-Dy-O-Pr
• Ba-Cu-Nd-O-Pr
• Ba-Cu-Gd-O-Pr
• Ba-Cu-Eu-O-Pr
• Ba-Cu-O-Pr-Sm
• optical properties
• phonons
• wavenumber of optical phonon
• infrared spectra
• structural properties
• chalcogen
• conductor
• high-tc superconductor
• rare earth
• metal
• orthorhombic
• monoclinic