Synthesis and Characterization of H- LnBO 3 Orthoborates ( Ln=La, Nd, Sm, and Eu)
Abstract
Depending on the ionic radius of the rare earth ions, orthoborates exhibit three different crystalline forms noted LnBO3 and H-LnBO3. A comparative study of the stability relationship of H-LnBO3 borate (Ln=La, Nd, Sm, and Eu) versus the temperature and synthesis method (solid state reaction and wet process) is reported. These high temperature forms have been characterized by X-ray diffraction, high temperature X-ray diffraction, and IR spectroscopy. This work was completed by a study of luminescence properties of H-LaBO3 orthoborate doped by Eu3+.
- Publication:
-
Journal of Solid State Chemistry France
- Pub Date:
- December 1999
- DOI:
- 10.1006/jssc.1999.8437
- Bibcode:
- 1999JSSCh.148..229L
- Keywords:
-
- H-LnBO<SUB>3</SUB>;
- orthoborates;
- rare earths;
- synthesis;
- HTXRD;
- europium;
- luminescence.