Tewary, V.
, Quardokus, R.
and DelRio, F.
(2016),
Green's function modeling of response of two-dimensional materials to point probes for scanning probe microscopy, Elsevier, [online], https://doi.org/10.1016/j.physleta.2016.03.021, http://www.elsevier.com/audioslides.
(Accessed December 26, 2024)
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Green's function modeling of response of two-dimensional materials to point probes for scanning probe microscopy
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Abstract
A Green's function (GF) method is developed for interpreting scanning probe microscopy (SPM) measurements on new two-dimensional (2D) materials. GFs for the Laplace/Poisson equations are calculated by using a virtual source method for two separate cases of a finite material containing a rectangular defect and a hexagonal defect. The prescribed boundary values are reproduced almost exactly by the calculated GFs. It is suggested that the GF is not just a mathematical artefact but a basic physical characteristic of material systems, which can be measured directly by SPM for 2D solids. This should make SPM an even more powerful technique for characterization of 2D materials.
Citation
Elsevier
Volume
380
Issue
20
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Keywords
antidots, Greens function, materials characterization, scanning probe microscopy, two-dimensional materials, quantum computers
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Created June 13, 2016, Updated June 2, 2021