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Characterization of two-dimensional materials with atomic force microscopy

Advanced methods to study interfacial structures and properties of graphene and beyond

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Overview

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Ever since the initial discovery of graphene, two-dimensional materials have been a significant subject of research. Graphene and other two-dimensional materials including Transition Metal Dichalcogenides like molybdenum disulfide (MoS2) exhibit distinct mechanical, electrical, and electromechanical properties that make them promising for next-generation electronic devices and energy materials.

Atomic force microscopy (AFM) is uniquely well-suited to the study of two-dimensional materials, both because of its atomic and molecular resolution imaging of material topography, and because of the multitude of mechanical and electrical properties that it can measure at the nanoscale.

This webcast will begin with a brief introduction to the many capabilities that AFM provides for 2D materials research, illustrated by examples from recent research to provide a broad overview of how AFM is helping to advance our understanding of these materials.

Dr. Zhihai Cheng, Professor of Physics at Renmin University of China, will then present results from several of his group’s research projects on the interfacial structures and properties of 2D Materials, including a study of strain-induced anisotropic shear behaviour, visualization and effects of water-intercalation at the homo-/hetero-interfaces, and interfacial strain-induced patterned mechanical and electronical structures at a MoS2/SiO2 and WS2/SiO2 interface.

You will learn how AFM can:
  • Resolve the structure of 2D materials to evaluate their preparation and modification
  • Measure and map the unique electrical and mechanical properties of 2D materials
  • Evaluate the performance of 2D materials incorporated within proposed devices
This webcast has been produced for Oxford Instruments Asylum Research by Nature Research Custom Media. The sponsor retains sole responsibility for content. About this content.

Presenters

Presenter
Dr. Ted Limpoco
Application Scientist
Oxford Instruments Asylum Research
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Presenter
Dr. Zhihai Cheng
Professor of Physics
Renmin University of China
View Biography
Presenter
Dr. Jayshan Carpen
Moderator
Nature Research
View Biography