Tunnelling junctions with additional degrees of freedom: An extended toolbox of scanning probe microscopy

IF 8.7 2区工程技术 Q1 CHEMISTRY, PHYSICAL

Progress in Surface Science Pub Date : 2015-05-01 DOI:10.1016/j.progsurf.2015.01.001

Christian Wagner , Ruslan Temirov

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引用次数: 24

Abstract

Considering studies of molecular adsorption we review recent developments in the field of scanning probe microscopy and in particular in scanning tunnelling microscopy, concentrating on the progress that has been achieved by controlled decoration of the microscope tip. A view is presented according to which the tip decoration generally introduces additional degrees of freedom into the scanning junction and thus extends its functionality. In particular tips decorated with atomic point-like particles may attain the additional function of a force sensor which is realized through the degrees of freedom associated with the relative position of the decorating probe-particle with respect to the tip. It is shown how the force sensor function of such tips helps when studying large molecular adsorbates. Further prospects of more complex junctions equipped with numerous internal degrees of freedom are discussed. It is argued that the main problem impeding the utilization of such junctions is related to their control. An approach towards a higher degree of control is presented that is based on the analysis of single molecule manipulation experiments.

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具有额外自由度的隧道结:扫描探针显微镜的扩展工具箱

考虑到分子吸附的研究，本文综述了扫描探针显微技术，特别是扫描隧道显微技术的最新进展，重点介绍了通过对显微镜尖端进行控制修饰而取得的进展。提出了一种观点，根据该观点，尖端装饰通常引入额外的自由度到扫描连接点，从而扩展其功能。特别地，用原子点状粒子装饰的尖端可以获得力传感器的附加功能，其通过与装饰探针粒子相对于尖端的相对位置相关联的自由度来实现。它显示了这种尖端的力传感器功能如何帮助研究大分子吸附物。讨论了具有多个内自由度的更复杂结点的进一步发展前景。本文认为，阻碍这种连接的利用的主要问题与它们的控制有关。提出了一种基于单分子操作实验分析的更高程度的控制方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Progress in Surface Science 工程技术-物理：凝聚态物理

CiteScore

11.30

自引率

0.00%

发文量

审稿时长

3 months

期刊介绍： Progress in Surface Science publishes progress reports and review articles by invited authors of international stature. The papers are aimed at surface scientists and cover various aspects of surface science. Papers in the new section Progress Highlights, are more concise and general at the same time, and are aimed at all scientists. Because of the transdisciplinary nature of surface science, topics are chosen for their timeliness from across the wide spectrum of scientific and engineering subjects. The journal strives to promote the exchange of ideas between surface scientists in the various areas. Authors are encouraged to write articles that are of relevance and interest to both established surface scientists and newcomers in the field.