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O: Fachverband Oberflächenphysik

O 16: Mini-Symposium: Free-standing functional molecular 2D materials II

O 16.3: Talk

Monday, March 1, 2021, 14:15–14:30, R2

Mechanics of free-standing inorganic and molecular 2D materials — •Xianghui Zhang, André Beyer, Florian Paneff, and Armin Gölzhäuser — Faculty of Physics, Bielefeld University, 33615 Bielefeld, Germany

The discovery of graphene has triggered a great interest in inorganic as well as molecular two-dimensional (2D) materials. In this contribution, we summarize recent progress in the mechanical characterization of free-standing 2D materials, such as graphene, hexagonal boron nitride (hBN), transition metal-dichalcogenides, MXenes, black phosphor, carbon nanomembranes (CNMs), 2D polymers, 2D metal-organic frameworks (MOFs) and covalent organic frameworks (COFs). Elastic, fracture, bending and interfacial properties of these materials have been determined using a variety of experimental techniques including AFM-based nanoindentation, in situ tensile/fracture testing, bulge testing, Raman spectroscopy, Brillouin light scattering, and buckling-based metrology. Additionally, we address recent advances of 2D materials in mechanical applications, including resonators, microphones, and nanoelectromechanical sensors.

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