Ibarra palos

• Bi-Eu-O-Ti
• Li-Mn-O
• Bi-O-Ti
• Ba-Eu-La-O-Zn
• Li-Mn-O-Zn
• phonons
• optical properties
• structural properties
• wavenumber of longitudinal optical phonon
• Raman spectra
• chalcogen
• transitional
• oxide
• disordered
• quaternary
• cubic
• tetragonal
• orthorhombic