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[Characterization and structural approach to crystalline La2O3-MgO-B2O3]
M Lafjij1, N El Jouhari, L Benarafa
1Laboratoire de Chimie du Solide Appliquée, Département de Chimie, Faculté des Sciences, Rabat, Morocco.
Summary
This study characterizes a new vitreous domain in the lanthanum oxide-magnesium oxide-borate system using X-ray diffraction. Structural analysis via spectroscopy reveals insights into glass properties compared to crystalline counterparts.
Area of Science:
- Materials Science
- Solid State Chemistry
- Glass Science
Background:
- Ternary systems involving rare earth oxides, magnesium oxide, and boron oxide are crucial for developing advanced glass materials.
- Understanding the structural properties of vitreous materials is key to their technological applications.
Purpose of the Study:
- To characterize the vitreous domain of the xLa2O3-yMgO-zB2O3 ternary system.
- To investigate the structure of these glasses using vibrational spectroscopy and optical probes.
- To compare the structural features of the glasses with the crystalline compound LaMgB5O10.
Main Methods:
- X-ray diffraction (XRD) for phase characterization.
- Vibrational spectroscopy (e.g., Raman, FTIR) for structural analysis.
- Optical probe techniques for investigating glass properties.
Main Results:
- Identification and characterization of a specific vitreous domain within the ternary system.
- Detailed structural information obtained from spectroscopic analysis of the glasses.
- Comparative analysis highlighting similarities and differences between the vitreous and crystalline states.
Conclusions:
- The study successfully defined a vitreous region in the La2O3-MgO-B2O3 system.
- Spectroscopic methods provided valuable insights into the local structure and bonding within the glasses.
- The findings contribute to the fundamental understanding of rare earth borate glasses and their crystalline analogues.