High-precision absolute lattice parameter determination of SrTiO3, DyScO3 and NdGaO3 single crystals

被引：99
作者：
Schmidbauer, Martin [1 ]
Kwasniewski, Albert [1 ]
Schwarzkopf, Jutta [1 ]
机构：
[1] Leibniz Inst Crystal Growth, D-12489 Berlin, Germany
来源：
ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL SCIENCE CRYSTAL ENGINEERING AND MATERIALS | 2012年 / 68卷
关键词：
X-RAY-DIFFRACTION; THIN-FILMS; STRONTIUM-TITANATE; TEMPERATURE; FERROELECTRICITY; HETEROSTRUCTURES; ELECTRODES; PROFILE; STRAIN;
D O I：
10.1107/S0108768111046738
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The lattice parameters of three perovskite-related oxides have been measured with high precision at room temperature. An accuracy of the order of 10(-5) has been achieved by applying a sophisticated high-resolution X-ray diffraction technique which is based on the modified Bond method. The results on cubic SrTiO3 [a = 3.905268 (98) angstrom], orthorhombic DyScO3 [a = 5.442417 (54), b = 5.719357 (52) and c = 7.904326 (98) angstrom], and orthorhombic NdGaO3 [a = 5.428410 (54), b = 5.498407 (55) and c = 7.708878 (95) angstrom] are discussed in view of possible systematic errors as well as non-stoichiometry in the crystals.
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页码：8 / 14
页数：7
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