Crystal growth of Ba2MOsO6 (M = Li, Na) from reactive hydroxide fluxes

被引：140

作者：

Stitzer, KE ^{[1
]}

Smith, MD ^{[1
]}

zur Loye, HC ^{[1
]}

机构：

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

来源：

SOLID STATE SCIENCES | 2002年 / 4卷 / 03期

基金：

美国国家科学基金会;

关键词：

Ba2LiOsO6; Ba2NaOsO6; double perovskite; crystal structure; magnetic susceptibility;

D O I：

10.1016/S1293-2558(01)01257-2

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Single crystals of Ba2LiOsO6 and Ba2NaOsO6 were grown from molten hydroxide fluxes. The oxides form in the double perovskite structure and contain heptavalent osmium. The structures crystallize in space group Fm (3) over barm with lattice parameters of 8.1046(2) Angstrom and 8.2870(3) Angstrom for the lithium and sodium containing compounds, respectively. Magnetic susceptibility measurements show evidence of antiferromagnetic correlations below 8 K for Ba2LiOsO6 and ferromagnetic-like ordering below 8 K for Ba2NaOsO6. The measured magnetic moment is unusually small for both materials, mu(eff) = 0.733 BM and mu(eff) = 0.677 BM for the lithium and sodium containing compounds, respectively. (C) 2002 Editions scientifiques et medicales Elsevier SAS. All rights reserved.

引用

页码：311 / 316

页数：6

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