Speaker: Dr Ahmet Avsar
Affiliation: École Polytechnique Fédérale de Lausanne (EPFL), Switzerland
Host: Professor Barbaros Oezyilmaz
Abstract Details: Van der Waals heterostructure devices, composed from 2D crystals, could enable new spintronics functionalities that are not accessible in individual crystals or any other bulk materials. In this talk, I will present our spin dependent (opto) electronic transport measurements in such hetero devices. Firstly, I will discuss our results on inducing optospintronics functionality in semi-metallic graphene by bringing it in a proximity to monolayer WSe2. Then, I will show that semiconducting black phosphorus-based van der Waals heterostructures exhibit remarkable spin transport properties after an in-situ h-BN encapsulation process. Finally, I will provide an outlook about 2D van der Waals spin devices after briefly reviewing recently discovered 2D magnets.

About The Speaker: Ahmet Avsar is an experimental condensed matter physicist specializing in the emerging fields of spintronics and two-dimensional crystals-based nanotechnology. He obtained PhD degree from Physics Department of National University of Singapore under the supervision of Prof. Barbaros Özyilmaz and he is currently a research fellow at the group of Prof. Andras Kis (EPFL). He is a recipient of 2016- EPFL Fellows fellowship award co-fund by Marie Skladowska-Curie.

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