Morphology and electronic structure of nanostructured carbon films embedding transition metal nanoparticles

E. Barborini; C. Lenardi; P. Piseri; P. Milani; R. G. Agostino; T. Caruso; E. Colavita; S. La Rosa; M. Bertolo; C. Ducati

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Morphology and electronic structure of nanostructured carbon films embedding transition metal nanoparticles

机译：嵌入过渡金属纳米粒子的纳米碳膜的形貌和电子结构

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Inclusions of metals in the growth process of carbon cluster assembled materials (ns-C) induce modifications in the structural and electronic properties of the material. A novel pulsed microplasma cluster source (PMCS) is able to deliver highly intense, collimated and stable beams suitable for producing bulk quantities of cluster-assembled nanocomposite films. Loading of metal nanoparticles into carbon cluster based films is obtained either by mixing a gas phase metallorganic compound with the carrier gas (He) before entering into the source (for example molybdenum (V) isopropoxide), or by using a double component sputtering target (metal (Ti, Ni)/graphite). The study of film morphology on nanometer scale, carried out by transmission electron microscopy (TEM)d, reveals the dispersion in a ns-C matrix of metallic particles and, in the case of molybdenum containing films, also of carbide particles. Spatially resolved ultraviolet photoemission spectroscopy confirms the segregation of metal particles and exhibits evident anisotropy in the Mo:ns-C films, mainly ascribable to the formation of carbide nanoparticles.

机译：碳簇组装材料（ns-C）生长过程中的金属夹杂物会引起材料结构和电子性能的改变。一种新颖的脉冲微等离子体团簇源（PMCS）能够发出高强度，准直和稳定的光束，适用于生产大量的团簇组装的纳米复合材料薄膜。通过将气相金属有机化合物与载气（He）混合，然后进入离子源（例如异丙醇钼（V））中，或通过使用双组分溅射靶（金属（Ti，Ni）/石墨）。通过透射电子显微镜（TEM）d进行的纳米级薄膜形态研究表明，金属粒子在ns-C基质中的分散性，在含钼薄膜的情况下，碳化物也是如此。空间分辨紫外光发射光谱法证实了金属颗粒的偏析并在Mo：ns-C膜中表现出明显的各向异性，这主要归因于碳化物纳米颗粒的形成。

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《The European physical journal, D. Atomic, molecular, and optical physics》 |2003年第3期|共4页
作者
E. Barborini; C. Lenardi; P. Piseri; P. Milani; R. G. Agostino; T. Caruso; E. Colavita; S. La Rosa; M. Bertolo; C. Ducati;
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正文语种 eng
中图分类分子物理学、原子物理学;
关键词
carbon; diamond; graphite; new materials: theory; design; and fabrication; transmission electron microscopy (TEM) (including STEM; HRTEM; etc.); adsorbed layers and thin films;

机译：碳;金刚石;石墨;新材料：理论;设计和制造;透射电子显微镜（TEM）（包括STEM;HRTEM;等）;吸附层和薄膜;

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3. Metal nanostructures with complex surface morphology: The case of supported lumpy Pd and Pt nanoparticles produced by laser processing of metal films [J] . Ruffino F., Maugeri P., Cacciato G., Physica, E. Low-dimensional systems & nanostructures . 2016,第Null期

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Morphology and electronic structure of nanostructured carbon films embedding transition metal nanoparticles

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