铱和金表面碲吸附结构的 LEED-IV 分析

IF 2.1 4区化学 Q3 CHEMISTRY, PHYSICAL

Surface Science Pub Date : 2024-08-24 DOI:10.1016/j.susc.2024.122589

Lutz Hammer, Alexandra Schewski, Alexander Wegerich, Tilman Kißlinger, M. Alexander Schneider

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引用次数: 0

摘要

确定清洁金属表面原子吸附物的构型是表面科学的一个关键问题，60 年前如此，今天依然如此。我们的研究表明，尽管对吸附剂体系的扫描隧道显微镜和密度泛函理论联合研究非常普遍，但仍存在很多缺陷，需要通过衍射方法进行准确可靠的结构分析。我们分析并比较了 Te 在 Ir(111)、Ir(100) 和 Au(100)上的有序相，展示了如今通过定量低能电子衍射结构分析所能获得的准确、深入的信息和物理洞察力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

LEED-IV analyses of tellurium adsorbate structures on iridium and gold surfaces

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LEED-IV analyses of tellurium adsorbate structures on iridium and gold surfaces

The determination of the configuration of atomic adsorbates on clean metal surfaces has been a key issue in surface science 60 years ago and still is today. We demonstrate that despite the prevalence of combined scanning tunneling microscopy and density functional theory studies of adsorbate systems the pitfalls are plentiful calling for accurate, reliable structure analyses that can be delivered by diffraction methods. We analyze and compare the ordered phases of Te on Ir(111), Ir(100), and Au(100) demonstrating the accuracy, the in-depth information and physical insight that can nowadays be obtained by quantitative low-energy electron diffraction structural analyses.

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来源期刊

Surface Science 化学-物理：凝聚态物理

CiteScore

3.30

自引率

5.30%

发文量

137

审稿时长

25 days

期刊介绍： Surface Science is devoted to elucidating the fundamental aspects of chemistry and physics occurring at a wide range of surfaces and interfaces and to disseminating this knowledge fast. The journal welcomes a broad spectrum of topics, including but not limited to: • model systems (e.g. in Ultra High Vacuum) under well-controlled reactive conditions • nanoscale science and engineering, including manipulation of matter at the atomic/molecular scale and assembly phenomena • reactivity of surfaces as related to various applied areas including heterogeneous catalysis, chemistry at electrified interfaces, and semiconductors functionalization • phenomena at interfaces relevant to energy storage and conversion, and fuels production and utilization • surface reactivity for environmental protection and pollution remediation • interactions at surfaces of soft matter, including polymers and biomaterials. Both experimental and theoretical work, including modeling, is within the scope of the journal. Work published in Surface Science reaches a wide readership, from chemistry and physics to biology and materials science and engineering, providing an excellent forum for cross-fertilization of ideas and broad dissemination of scientific discoveries.