Structural properties of rare earth doped ZnO-CdO-TeO2 system

C. Rubalcava-Cornejo, M. E. Zayas, S. J. Castillo, J. J. Palafox, R. Lozada-Morales, R. Palomino-Merino, J. M. Rincón

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Structural studies of glasses in the ZnO-CdO-TeO2 system doped with rare earth elements (RE=Yb or Tb) were characterised utilising several methods. X-ray diffraction patterns in these materials reveal a structure that is generally amorphous but in some glasses there is tendency to form a crystalline phase of CdTeO3. Thermal analysis showed that these glasses are stable. Infrared spectra gives a main absorption band around 800-600 cm-1 corresponding to the Te-O stretching mode in TeO4 and TeO3 groups. SEM observations of the microstructure shows abundant liquid-liquid phase separation.

Original languageEnglish
Pages (from-to)19-22
Number of pages4
JournalPhysics and Chemistry of Glasses: European Journal of Glass Science and Technology Part B
Volume50
Issue number1
StatePublished - Feb 2009

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