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Syntheses, structure and rare earth metal photoluminescence of new and known isostructural A2Mo4Sb2O18 (A=Ce, Pr, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu) compounds

✍ Scribed by Shrikant A. Mohitkar; G. Kalpana; K. Vidyasagar


Publisher
Elsevier Science
Year
2011
Tongue
English
Weight
848 KB
Volume
184
Category
Article
ISSN
0022-4596

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✦ Synopsis


Nine new A 2 Mo 4 Sb 2 O 18 (AΒΌ Ce, Pr, Eu, Tb, Ho, Er, Tm, Yb, Lu) compounds have been synthesized by solid-state reactions. They are isostructural with six reported analogues of yttrium and other lanthanides and the monoclinic unit cell parameters of all fifteen of them vary linearly with the size of A 3 + ion. Single crystal X-ray structures of eight A 2 Mo 4 Sb 2 O 18 (A ΒΌCe, Pr, Eu, Gd, Tb, Ho, Er, Tm) compounds have been determined. Neat A 2 Mo 4 Sb 2 O 18 (A ΒΌPr, Sm, Eu, Tb, Dy, Ho, Er, Tm) compounds exhibit characteristic rare earth metal photoluminescence.


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