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Structure, luminescence, and crystal field analysis of (La, Gd)OBr:Eu3+ and (La, Y)OBr:Eu3+mixed crystals

✍ Scribed by Limburg, H.-J. ;Hölsä, J. ;Porcher, P. ;Herzog, G. ;Starick, D. ;Wulff, H.


Publisher
John Wiley and Sons
Year
1992
Tongue
English
Weight
293 KB
Volume
130
Category
Article
ISSN
0031-8965

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Crystal Structure of Sodium Rare Earth O
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A new structural family of rare earth oxyborates Na 2 Ln 2 (BO 3 ) 2 O (Ln ‫؍‬ Sm, Eu and Gd) is evidenced. The structure, determined by single crystal X-ray diffraction, is monoclinic, space group P2 1 /c, Z ‫؍‬ 4, with a ‫؍‬ 10.695(6) A s , b ‫؍‬ 6.320(4) A s , c ‫؍‬ 10.328(6) A s , ‫؍‬ 117.80(4)°