金-铁合金纳米颗粒的晶体结构和相分离如何受摩尔分数和尺寸控制。
How the crystal structure and phase segregation of Au-Fe alloy nanoparticles are ruled by the molar fraction and size.
机构信息
Technical Chemistry I and Center for Nanointegration Duisburg-Essen (CENIDE), University Duisburg-Essen, Universitätstr. 7, 45141 Essen, Germany.
出版信息
Nanoscale. 2018 Sep 13;10(35):16434-16437. doi: 10.1039/c8nr03962c.
PMID:30137113
Abstract
The application of an Au-Fe nanoalloy is determined by its internal phase structure. Our experimental and theoretical findings explain how the prevalence of either a core-shell or a disordered solid solution structure is ruled by the target composition and the particle diameter. Furthermore, we found metastable phases not predefined by the bulk phase diagram.
摘要
Au-Fe 纳米合金的应用取决于其内部相结构。我们的实验和理论研究结果解释了核心壳结构或无序固溶体结构的普遍存在是如何由目标组成和粒径决定的。此外，我们还发现了一些非体相图所预定的亚稳相。
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