(NaLa2)NaPtO6:: The first 2H-perovskite related oxide with a rare earth cation on the A-site

被引:24
作者
Davis, MJ [1 ]
Smith, MD [1 ]
zur Loye, HC [1 ]
机构
[1] Univ S Carolina, Dept Chem & Biochem, Columbia, SC 29208 USA
关键词
D O I
10.1021/ic034679u
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Crystals of (NaLa2)NaPtO6 were grown in an acidic ("wet") NaOH flux. (NaLa2)NaPtO6 forms in a 2H-perovskite related structure type and contains mixed cation (Na/La) occupancy on the A-site. The crystal was a rhombohedral obverse-reverse twin, and it crystallizes in the space group R (3) over barc (hexagonal setting) with lattice parameters of a = 9.5031(2) Angstrom and c = 11.4625(5) Angstrom. (NaLa2)NaPtO6 is the first example of an m = 0, n = 1 (A(3)A'BO6) member of the A(3n+3m)A'nB3m+nO9m+6n family of oxides where either a lanthanide or a sodium cation occupies the A-site.
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页码:6980 / 6982
页数:3
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