Tuning correlated electrons in organic quantum materials

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Abstract

Organic quantum materials feature a large variety of correlated electron phenomena including Mott metal-insulator transition, unconventional superconductivity, Fermi-liquid transport & bad metals as well as frustrated magnetism & quantum spin liquids. These phases result from narrow electronic bandwidth and can be studied by various tools of bandwidth tuning ranging from chemical substitution and hydrostatic pressure to recent advancements in uniaxial strain and doping. Remarkably, in some organic compounds virtually all above-mentioned phenomena can be studied even in a single sample as it is tuned through the phase diagram by pressure or strain.