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Local electronic/optoelectronic properties in graphene and 2D materials 
Monday, 05 February 2018, 12:00
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Prof. Olga Kazakova - National Physical Laboratory, Teddington, UK

Local electronic/optoelectronic properties in graphene and 2D materials

Short abstract:

We present a combined study of local and global electronic properties of graphene devices as well as 2D materials and their heterostructures using a combination of SKPM, electrical and magnetic SGM and transport measurements. These studies are complemented by the use of local optoelectronic methods, such photoluminescence, Raman, nanoIR and sSNOM. We demonstrate that using advanced scanning probe microscopy techniques it is possible to obtain detailed information on the unique sample properties (such as the effect of non-uniformity, defective structure, degree of molecular absorption, etc.), which are not available by other more traditional methods. We also consider the effect of environmental doping on the local/global properties of graphene and 2D materials.
We demonstrate the accuracy of the measurements, which allow us to eliminate the common artefacts, which are not usually taken into account in many other approaches. The present work facilitates development of realistic graphene and 2D materials sensors and their faster and more reliable implementation.


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9. Ch. Melios, et al., 2D Materials, Topical Review, In press (2018)

Location ICN2 Seminar Room
Contact This email address is being protected from spambots. You need JavaScript enabled to view it.
http://icn2.cat/en/events/eventdetail/636/local-electronic-optoelectronic-properties-in-graphene-and-2d-materials

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