Towards efficient qubit design using metal-organic frameworks

What is it about?

Novel design using qubits candidates-based organic nitroxide pillars incorporated in a 2d-array within a metal-organic framework were developed by these scientists. Organic qubit candidates were installed in MOFs with structural variability and tunable properties. They developed a pillared-paddlewheel-type MOF structure that contains 4,7-bis(2-(4-pyridyl)-ethynyl) isoindoline N-oxide and 1,4-bis(2-(4-pyridyl)-ethynyl)-benzene pillars that connect 2D sheets of 9,10-dicarboxytriptycene struts and Zn2(CO2)4 secondary binding units. The design allows for the formation of ordered arrays of reorienting isoindoline nitroxide spin centers with variable concentrations through the use of mixed crystals containing the secondary 1,4-phenylene pillar.

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Photo by Michael Dziedzic on Unsplash

Photo by Michael Dziedzic on Unsplash

Why is it important?

This is useful in exploring efficient and cheaper design options for qubits based on metal organics in the quest to advance quantum information science (QIS). Different spectroscopic techniques was utilized to characterize and analyze these models. This project also showcased the use of electron paramagnetic resonance (EPR) method as a way to characterize these models at a microscopic level and learn about the orientation of these incorporated qubits and their spacing.

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