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Nano-magnetism in atomically thin 2D quantum materials and their heterostructures


Department of Physics and Astronomy

Prof A Tartakovskii Applications accepted all year round Competition Funded PhD Project (Students Worldwide)
Sheffield United Kingdom Experimental Physics Optical Physics Quantum Mechanics Solid State Physics

About the Project

Following the discovery of graphene, a large family of layered crystals has attracted significant attention. The properties of these materials range from superconductors and metals, to semiconductors and insulators. Properties of such quantum materials in a few-atomic-layer form are strongly influenced by the quantum confinement of the electronic excitations due to the extreme crystal thinness. Surprisingly, a family of layered ferromagnetic and antiferromagnetic materials exists, which preserve their magnetic properties even in an atomic monolayer form, and can switch their behaviour depending on the exact number of atomic layers. Such 2D materials will revolutionise electronics, memory and sensor devices, and will have broad applications in quantum technologies, particularly in combination with other layered semiconductors. In this PhD project you will discover novel magnetic few-atomic-layer materials, work on advancing their fabrication, and will develop methods for combining such materials with other 2D monolayer crystals such as transition metal dichalcogenides (TMDs), as we just started to explore in our recent Nature Communications publication in 2020 (https://www.nature.com/articles/s41467-020-19816-4). The goal is to fabricate and explore novel types of opto-electronic devices taking advantage of various magnetic proximity effects generated by 2D magnetic materials on the nano-scale.

You will join an energetic team of 3 PhD students and 3 postdocs. You will work on novel device fabrication in the modern clean room, and will carry out a large number of optical experiments in the extremely well-funded state-of-the-art laboratories of the Sheffield group, including the new near-field optical spectroscopy facility that will start its operation in 2021 (see grant award details here: https://gow.epsrc.ukri.org/NGBOViewGrant.aspx?GrantRef=EP/V007696/1). You will further collaborate with leading groups around the world on physics and technology of 2D materials and nano-photonics. We work closely with the leading groups in many related research fields, including 2D materials (National Graphene Institute, Manchester), nano-photonics and materials (Imperial College London and York University), spintronics (University of Tokyo and RIKEN), and optical spectroscopy (Technical University Dortmund) and many others, and visits to their experimental facilities will be possible and encouraged. See further details at http://ldsd.group.shef.ac.uk/research/2d-materials/  

For formal and informal enquiries please get in touch with Professor Alexander Tartakovskii at '

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