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Assembling molecular components for future quantum devices

Final Report Summary - LINKQUBITS (Assembling molecular components for future quantum devices)

The project proposed was based on recent results reported by the Winpenny group. In those papers they have shown that they can functionalise heterometallic rings, suitable to be used as qubits, for building assemblies using components relevant to application in quantum information processing (QIP). We propose a modular design strategy for obtaining assemblies of increasing complexity, using heterometallic rings from the Manchester group work as qubits and switches taken from the broader literature. A modular design provides the ideal framework for obtaining assemblies of increasing complexity and eventually a quantum simulator, because we can develop and optimise separately the different components of the assembly to produce the functionality we need, and then combine in the final structure.

During this two years:

1) We have expanded the synthetic methodology to functionalise rings and introduce a variety of linking groups into heterometallic anti-ferromagnetically coupled rings.

2) We have synthesises different switchable components, like the oxo-centered metal carboxylate triangles, as well as redox active organic linkers.

3) We have built assemblies of two molecular components, with two identical qubits linked to different switches (heterometallic oxo-centred triangles, cobalt(II) metal ions).

4) We have built assemblies of two differents molecular components, with two identical qubits linked to different switches.

5) We have built the supramolecular assembly with the highest number of qubits linked. In addition, we have proved that supramolecular assemblies could play a key role for quantum information processing.

4) I extended my training, acquiring advanced knowledge in high T coordination chemistry, as well as I expanded my training in EPR spectroscopy and X-ray crystallography, and I consolidated my training in small-angle X-ray scattering.

5) I obtained more experience in transferable skills as: management research project, teamwork and teaching skill. Also I gain more experience in oral presentations during the weekly group meetings used to supervise my work in this project. Furthermore, I have the opportunity to disseminate my work in both national and international conferences, such as Dalton 2014 Meeting (April 2104), International ZIF Workshop (November 2014): “Functionalized molecule-based magnetic materials”’, GRC Self-Assembly & Supramolecular Chemistry (May 2015), Dalton Younger Members Event (September 2015), European Materials Research Society (E-MRS) Fall Meeting (September, 2015). Finally I am register for the International Conference of Coordination Chemistry (July 2016) and the International Conference on Molecular Magnetism (September 2016) with the intention to disseminate the final results that I obtained in the last part of the fellowship.