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首页> 外文期刊>Physica, B. Condensed Matter >X-ray diffraction characterization of a spatially coherent crystalline nanocomposite obtained from a melt of KCl, KBr and KI salts
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X-ray diffraction characterization of a spatially coherent crystalline nanocomposite obtained from a melt of KCl, KBr and KI salts

机译：从KCl，KBr和KI盐的熔融液中获得的空间相干晶体纳米复合材料的X射线衍射表征

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摘要

Crystalline bulks, obtained by the Bridgman technique from a melt that was previously prepared by mixing equal molar fractions of the salts KBr, KCl and KI were characterized by powder and single-plate X-ray diffraction. The crystalline bulks are formed by a composite material consisting of a highly textured aggregation of crystallites of two different face-centred-cubic solid solutions with corresponding unit-cell sizes of 7.020(2) and 6.456(3)angstrom. The relative molar fraction concentrations of these solid solutions in the composite are about 0.348 and 0.652, respectively. From these solutions, the first is identified as the binary KBr(9.7%):KI(90.3%) mixed phase and the second is discussed to be the ternary KBr (45.9%):KCl (51.1%):KI (3.0%) mixed phase. The lattices of most of the crystallites forming the composite, no matter the phase they belong to. are spatially coherent to each other within the crystalline bulk.
机译：通过粉末和单板X-射线衍射表征通过Bridgman技术从先前通过混合相等摩尔分数的盐KBr，KCl和KI制备的熔体获得的结晶块。晶体块是由复合材料形成的，该复合材料由两种不同的面心立方固溶体的微晶的高度织构化聚集体组成，相应的晶胞尺寸为7.020（2）和6.456（3）埃。这些固溶体在复合物中的相对摩尔分数浓度分别为约0.348和0.652。从这些解决方案中，第一个被确定为二元KBr（9.7％）：KI（90.3％）混合相，第二个被讨论为三元KBr（45.9％）：KCl（51.1％）：KI（3.0％）混合相。形成复合物的大多数微晶的晶格，无论它们属于什么相。在晶体块内彼此在空间上相干。

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