Crystal growth of a novel oxygen-deficient layered perovskite:: Ba7Li3Ru4O20

被引：13

作者：

Stitzer, KE ^{[1
]}

Gemmill, WR ^{[1
]}

Smith, MD ^{[1
]}

zur Loye, HC ^{[1
]}

机构：

[1] Univ S Carolina, Dept Chem & Biochem, Columbia, SC 29208 USA

来源：

JOURNAL OF SOLID STATE CHEMISTRY | 2003年 / 175卷 / 01期

关键词：

Ba7Li3Ru4O20; Ba4NaRu3O12; oxide materials; oxygen deficient; crystal growths; single-crystal structure determination; magnetic properties;

D O I：

10.1016/S0022-4596(03)00112-9

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Single crystals of both Ba7Li3RU4O20 and Ba4NaRu3O12 were grown from reactive molten hydroxide fluxes. Ba7Li3Ru4O20 is a 7L-layer perovskite-related phase resulting from the stacking of six [AO(3)] layers and one oxygen deficient [AO(3)] layer, thereby creating LiO4 tetrahedra in addition to the LiO6 octahedra and face-sharing Ru2O9 bi-octahedra formed from the [AO(3)] layers. The compound crystallizes in the space group R (3) over bar m with a = 5.7927(1)Angstrom and c = 50.336(2) Angstrom, Z = 3. Ba4NaRu3O12 crystallizes in the space group P6(3)mc with lattice parameters of a = 5.8014(2) Angstrom and c 19.2050(9) Angstrom, Z 2. BBa4NaRuO12 12 is identical to a previously reported neutron refinement structure. The magnetic properties of Ba7Li3RuO20 are also reported. (C) 2003 Elsevier Science (USA). All rights reserved.

引用

页码：39 / 45

页数：7

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