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Journal of Nanomedicine & Nanotechnology
First-principles study of electronic transport and thermoelectricity in grain-boundary nanostructures for device applications
13th International Conference on Nanotek & Expo
December 05-07, 2016 Phoenix, USA

A Pooja Shukla

SRM University, India

Posters & Accepted Abstracts: J Nanomed Nanotechnol

Abstract:

Grain boundaries are quasi-one-dimensional structures comprising different types of polygons that maintain the periodicity in the ordered state. These are usually observed in graphene due to its polycrystalline nature. However, Grain Boundary (GB) nanostructures can also be observed in the hexagonal analogues of silicon and germanium, known as silicene and germanene. GBs, formed between single crystal regions, often offer an opportunity to tune the local electric and thermal properties via defect engineering to realize new functionalities. A recent study shows that the carrier concentration gets enhanced significantly, once grain boundaries are embedded in ordered nanostructures. Since high carrier concentration is essential for better electronic applications, a systematic study of grain boundaries out of different nanostructures can be useful for better understanding the device mechanism towards nanoelectronic applications. GBs being topological defects with largely a disordered character can potentially influence the thermoelectric properties as well, since disorder scatters phonons more effectively than electrons. The aim of the proposed work is hence to study the charge transport, electron-photon interaction and thermoelectricity in several grain-boundary nanostructures of technological interest.

Biography :

A Pooja Shukla is pursuing her PhD from SRM University and completed her MTech in Nanotechnology from SRM University. She is working as Research Scholar in SRM Research Institute. She has published two papers in reputed journals and also achieved awards for best project in Nanotechnology.

Email: pooja_3127@yahoo.com