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Synthesis and Characterization of H-LnBO3 Orthoborates (Ln=La, Nd, Sm, and Eu)

✍ Scribed by S. Lemanceau; G. Bertrand-Chadeyron; R. Mahiou; M. El-Ghozzi; J.C. Cousseins; P. Conflant; R.N. Vannier


Book ID
102604988
Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
183 KB
Volume
148
Category
Article
ISSN
0022-4596

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✦ Synopsis


Depending on the ionic radius of the rare earth ions, orthoborates exhibit three di4erent crystalline forms noted LnBO 3 and H-LnBO 3 . A comparative study of the stability relationship of H-LnBO 3 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 di4raction, high temperature X-ray di4raction, and IR spectroscopy. This work was completed by a study of luminescence properties of H-LaBO 3 orthoborate doped by Eu 3Ψ‰ .


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