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Synthesis, crystal structures and spectroscopic investigations on samarium-doped mixed Ba1-δSrδMgF4 crystals

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Published in Materials Research Bulletin. 1997, vol. 32, no. 3, p. 263-269
Abstract Single crystal X-ray diffraction analysis was performed on crystals with composition Ba1 − δSrδMgF4 (δ ≤ 0.55). The complete structure was analyzed for single domain crystals with nominal (refined) values of δ = 0.25 (0.27(2)) and 0.5 (0.55(2)). Interatomic distances vary in a characteristic manner, when smaller strontium ions replace the barium ions. Optical studies of Sm(II) doped samples show significant inhomogeneous line broadening and confirm the disorder On the Ba Site.
Keywords FluoridesOptical materialsX-ray diffractionCrystal structureLuminescence
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Research group Groupe Bill
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KUBEL, Frank, HAGEMANN, Hans-Rudolf, BILL, Hans. Synthesis, crystal structures and spectroscopic investigations on samarium-doped mixed Ba1-δSrδMgF4 crystals. In: Materials Research Bulletin, 1997, vol. 32, n° 3, p. 263-269. https://archive-ouverte.unige.ch/unige:2958

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Deposited on : 2009-09-21

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