Poisson-like height distribution of Ag nanoislands on Si(111) 7×7

Yiyao Chen; M. W. Gramlich; S. T. Hayden; P. F. Miceli

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Poisson-like height distribution of Ag nanoislands on Si(111) 7×7

机译：Si（111）7×7上的银纳米岛的泊松样高度分布

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The height distribution of Ag(111) islands grown on Si(111) 7×7 was studied using in situ x-ray reflectivity. This noble metal-on-semiconductor system is of particular interest because the islands exhibit an unusual minimum height that is imposed by the quantum confinement of the conduction electrons. For different coverages and temperatures as well as annealing, it was found that the island heights exhibit a variance that is less than the mean by a constant amount. We argue that this behavior is related to Poisson-like statistics with the imposition of the minimum island height. A modified Poisson height distribution model is presented and shown to provide a good description of the experimentally measured island height distributions. The results, which contribute to a better understanding of the nanoscale growth behavior for an important noble metal, are discussed in terms of mobility that leads to taller islands.

机译：利用原位x射线反射率研究了在Si（111）7×7上生长的Ag（111）岛的高度分布。这种半导体上的贵金属系统特别受关注，因为这些岛表现出不寻常的最小高度，该最小高度是由导电电子的量子限制所强加的。对于不同的覆盖率和温度以及退火，发现岛高的变化量小于平均值的恒定量。我们认为，这种行为与具有最小岛高的Poisson类统计有关。提出并显示了修改后的泊松高度分布模型，以提供对实验测量的岛高分布的良好描述。讨论的结果有助于更好地理解一种重要的贵金属的纳米级生长行为，并根据导致更高的孤岛的迁移率进行了讨论。

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《Physical review》 |2017年第3期|035419.1-0354193.8|共8页
作者
Yiyao Chen; M. W. Gramlich; S. T. Hayden; P. F. Miceli;
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Department of Physics and Astronomy, University of Missouri, Columbia, Missouri 65211, USA;

Department of Physics and Astronomy, University of Missouri, Columbia, Missouri 65211, USA;

Department of Physics and Astronomy, University of Missouri, Columbia, Missouri 65211, USA;

Department of Physics and Astronomy, University of Missouri, Columbia, Missouri 65211, USA;

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1. Poisson-like height distribution of Ag nanoislands on Si(111) 7x7 [J] . Chen Yiyao, Gramlich M. W., Hayden S. T., Physical review, B . 2017,第3期

机译：SI（111）7x7上AG纳米米雪岛的泊松高度分布
2. Poisson-like height distribution of Ag nanoislands on Si(111) 7×7 [J] . Yiyao Chen, M. W. Gramlich, S. T. Hayden, Physical Review. B, Condensed Matter . 2017,第3a4CD期

机译：Si（111）7×7的AG Nanoislands的Poisson样高度分布
3. Comparative Analysis of Cobalt Oxide Nanoisland Stability and Edge Structures on Three Related Noble Metal Surfaces: Au(111), Pt(111) and Ag(111) [J] . Fester Jakob, Bajdich Michal, Walton Alex S., Topics in Catalysis . 2017,第6a7期

机译：三种相关贵金属表面上钴氧化物纳米炉稳定性和边缘结构的比较分析：Au（111），Pt（111）和Ag（111）
4. Influence of Atom Diffusion Parameters on Ge-nanoisland Orientation on Si(111) at Initial Nucleation Stage [C] . Irina A. Reizvikh, Alexey V. Zverev, Sergey A. Teys, Siberian Workshop on Electron Devices and Materials . 2003

机译：原子扩散参数对初始成核阶段Si（111）的Ge-Nanoisland取向的影响
5. Desorption kinetics of small n-alkanes from magnesium oxide(100), platinum(111), and carbon(0001)/platinum(111) and studies of palladium nanoparticles: Growth and sintering on aluminum oxide(0001) and methane dissociation on magnesium oxide(100). [D] . Tait, Steven L., Jr. 2005

机译：氧化镁（100），铂（111）和碳（0001）/铂（111）的小正构烷烃的解吸动力学和钯纳米颗粒的研究：在氧化铝（0001）上生长和烧结以及在氧化镁上甲烷解离（100）。
6. Structure of Co-2 × 2 nanoislands grown on Ag/Ge(111)-√3 × √3 surface studied by scanning tunneling microscopy [O] . Xiao-Lan Huang, Chun-Liang Lin, Agnieszka Tomaszewska, 2012

机译：通过扫描隧道显微镜研究在Ag / Ge（111）-√3×√3表面上生长的Co-2×2纳米岛的结构
7. Comparative analysis of cobalt oxide nanoisland stability and edge structures on three related noble metal surfaces: Au(111), Pt(111) and Ag(111) [O] . Fester, Jakob, Bajdich, Michal, Walton, Alex, 2016

机译：三种相关贵金属表面钴氧化物纳米岛稳定性和边缘结构的对比分析：au（111），pt（111）和ag（111）

Poisson-like height distribution of Ag nanoislands on Si(111) 7×7

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