Synthesis and Properties of Tetracyanamidosilicates ARE[Si(CN2)4]

被引：27

作者：

Glaser, Jochen ^{[2
]}

Bettentrup, Helga ^{[1
]}

Juestel, Thomas ^{[1
]}

Meyer, H. -Juergen ^{[2
]}

机构：

[1] Fachhsch Munster, Lab Angew Mat Wissensch, D-48565 Steinfurt, Germany

[2] Univ Tubingen, Inst Anorgan Chem, D-72074 Tubingen, Germany

来源：

INORGANIC CHEMISTRY | 2010年 / 49卷 / 06期

关键词：

DICYANAMIDE; MAGNETISM; M(DCA)(2); CO; CR;

D O I：

10.1021/ic902498p

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Tetracyanamidosilicates of the type ARE[Si(CN2)(4)] with A=K, Rb, and Cs and RE=Y and La-Lu have been prepared by a solid-state metathesis reaction. The potassium compounds with RE=La-Gd crystallize orthorhombically in the space group P2(1)2(1)2. Rubidium as well as cesium compounds crystallize tetragonally in the space group I (4) over bar. The luminescent properties of ARE[Si(CN2)(4)]:Ln compounds with RE=Y, La, and Gd doped with 5 mol % Ln=Ce, Eu, or Tb were investigated. Temperature-dependent magnetic susceptibilities were measured for KGd[Si(CN2)(4)]. The value of the magnetic moment is 7.3 mu(B)/Gd3+ ion, which is in line with the expected value for the [Xe]4f(7) configuration of Gd3+.

引用

页码：2954 / 2959

页数：6

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