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Issue 43, 2017
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ScMO(BO3) (M = Ca and Cd): new Sc-based oxyborates featuring interesting edge-sharing sandwich-like chains and UV cut-off edges

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Abstract

Two new isostructural rare-earth oxyborates ScMO(BO3) (M = Ca and Cd) with a three-dimensional (3D) cationic framework and parallel arranged [BO3] triangles have been synthesized by the flux method. In the 3D cationic framework, an interesting sandwich-like basic building unit (BBU) is constructed by two 1[Ca(1)O4]6− chains and two 1[Sc(1)O4]5− chains. ScMO(BO3) melt incongruently, which shows that title compounds can be grown by the flux method. The UV cut-off edges for ScCaO(BO3) and ScCdO(BO3) are 230 and 249 nm, respectively. In addition, the first-principles calculations are performed to gain further insights into the relationship between the microscopic electronic structures and associated optical properties.

Graphical abstract: ScMO(BO3) (M = Ca and Cd): new Sc-based oxyborates featuring interesting edge-sharing sandwich-like chains and UV cut-off edges

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Article information


Submitted
27 Aug 2017
Accepted
23 Sep 2017
First published
25 Sep 2017

Dalton Trans., 2017,46, 14839-14846
Article type
Paper

ScMO(BO3) (M = Ca and Cd): new Sc-based oxyborates featuring interesting edge-sharing sandwich-like chains and UV cut-off edges

R. Ma, D. Xu, Y. Yang, X. Su, B. Lei, Z. Yang and S. Pan, Dalton Trans., 2017, 46, 14839
DOI: 10.1039/C7DT03172F

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