On the luminescence of Ti4+ In Mg5SnB2O10 and Mg3ZrB2O8

On the luminescence of Ti4+ In Mg5SnB2O10 and Mg3ZrB2O8
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Mg5SnB2O10 和 Mg3ZrB2O8 中 Ti4 的发光

DOI:
10.1016/0254-0584(85)90045-8
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发表时间:
1985
影响因子:
4.6
通讯作者:
G. Blasse
G. Blasse
中科院分区:
材料科学3区
文献类型:
--
作者:
W. L. Konijnendijk;G. Blasse

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报道了如下新化合物:Mg_5TiB_2O_(10)(Ludwikite结构)、Mg_5SnB_2O_(10)(正硅酸钠结构)和Mg_3ZrB_2O_(8)(华力石结构)。测量了Mg_5(Sn,Tl)B_2 O_(10)和Mg_3(Zr,Ti)B_2 O_8体系的发光。结果进行了讨论,在离域的钛酸盐八面体的集群。给出了Ti ~(4+)激活的复合物发光的一般方案。对于钛浓度低于约20摩尔%,组成Mg 5SnB 2 O 10:Ti是非常有效的发光材料。
The following new compounds are reported: Mg5TiB2O10(ludwigite structure), Mg5SnB2O10(orthopinakiolite structure) and Mg3ZrB2O8(warwickite structure). The luminescences of the systems Mg5(Sn,Tl)B2O10and Mg3(Zr,Ti)B2O8were measured. The results are discussed in terms of delocalization in clusters of titanate octahedra. A general scheme for the luminescence of Ti4+-activated compositions is given. The composition Mg5SnB2O10: Ti is a very efficient luminescent material for titanium concentrations below some 20 mole percent.