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Preparation and properties of fluorozirconate glasses containing divalent europium

descriptionPublicationkeyboard_double_arrow_right Article 01 Jul 1979 English Publisher:Elsevier BVJournal:Materials Research Bulletin, volume 14, pages 899-905 (issn: 0025-5408,

Authors: M.W. Shafer; P. Perry;

doi: 10.1016/0025-5408(79)90155-7

Preparation and properties of fluorozirconate glasses containing divalent europium

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Abstract

Abstract The glass forming region of the (ZrF4BaF2ThF4)EuF2 system has been studied. EuF2 was found to replace up to about 85% of the BaF2 in a glass with a composition .615 ZrF4, .32BaF2, .07ThF4. The glass transition temperature is seen to increase with the EuF2 concentration. The 4f7→ 4f65d1 transition of the Eu+2 ion in the glass matrix was studied by optical absorption and compared with data taken on crystalline compounds containing Eu+2 in different environments. It is concluded from these results that the Eu+2 ion - and also the Ba+2 ion - is coordinated by 12 fluorides in the glass.

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IBM (United States)
United States

13 Research products, page 1 of 2

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