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Updated: May 11, 2026

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The diode behavior of asymmetrically ordered Au55 clusters.

V Torma¹, T Reuter, O Vidoni

¹Institut für Anorganische Chemie, Universität Essen, Essen, Germany.

Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry

|May 21, 2013

Summary

Future nanoelectronic devices could utilize ligand-stabilized gold clusters (Au55). Electron beam irradiation of these clusters creates diodic behavior with unique time-dependent electrical properties, paving the way for novel electronic components.

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Area of Science:

Nanotechnology
Materials Science
Solid State Physics

Background:

Assembled monolayers of ligand-stabilized metal clusters are promising for future nanoelectronic devices.
Gold clusters (Au55) represent a potential building block for such advanced electronics.

Purpose of the Study:

To investigate the electrical properties of an assembled monolayer of Au55 clusters.
To explore the effects of electron beam irradiation on the electrical characteristics of Au55 monolayers.

Main Methods:

Formation of an assembled monolayer of ligand-stabilized Au55 clusters.
Irradiation of the monolayer using an electron beam.
Characterization of electrical properties via current-voltage (I-V) measurements.

Main Results:

Electron beam irradiation induced diodic behavior in the Au55 cluster monolayer.
The Au55 clusters demonstrated resistance to decomposition under electron beam exposure.
The system exhibited time-dependent electrical characteristics, observable in the I-V curves.

Conclusions:

Ligand-stabilized Au55 clusters can form monolayers with emergent electronic functionalities.
Electron beam irradiation is a viable method for tuning the electrical properties of these nanoelectronic systems.
The observed time-dependent behavior suggests potential for novel memory or switching applications in nanoelectronics.