Project description
Accessible and practical photomagnetism with visible light and at room temperature
Magnetism is at the heart of today’s magnetic memory applications, including high-density magnetic recording and magnetic random access memory. Ferromagnetism, a property allowing magnetisation states to be maintained for long periods of time, and ferromagnetic switching are the enablers. Ferromagnetic switching can be accomplished in several ways. Funded by the European Research Council, the LUX-INVENTA project will harness photomagnetic materials, or photomagnets, to enable ferromagnetic switching with ultimately renewable solar photons. Current photomagnets remain in the laboratory because they require very low operating temperatures. LUX-INVENTA will overcome this barrier with novel room-temperature molecular photomagnets thanks to enhanced understanding of the processes occurring during photon absorption by photomagnetic chromophores.
Objective
Visible light provided by the Sun is the cleanest energy source one could ever imagine. Harvesting it is crucial for further development of science and technology as well as for reducing the ecological footprint of humanity. The efficient use of the visible spectrum of the Sun can take many forms and the direct photoexcitation of molecules resulting in a dramatic magnetization change - the so called photomagnetic effect - is one of them. In other words, sunlight photons could write, read and erase magnetic states of photomagnets. Photomagnets can be designed and prepared via a bottom-up modular approach using low-energy preparation methods developed by coordination, organometallic chemistry, supramolecular chemistry and crystal engineering with the support from physical and computational sciences. Photomagnets belong to the class of smart multifunctional molecular materials that become paramagnetic, ferromagnetic or simply change their magnetic properties upon illumination - a feature that is hardly accessible in conventional magnetic solids - metal alloys and oxides. Currently known photomagnets are merely laboratory curiosities due to extremely low operation temperatures below the boiling point of nitrogen (-196?C). Hence, the overarching goal of LUX-INVENTA is the discovery of room temperature (RT) photomagnets that would show light-induced ON/OFF ferromagnetic switching under normal conditions. This goal will be pursued alongside the deep understanding of the processes occurring during the absorption of a photon by photomagnetic chromophores - the molecular components responsible for the photomagnetic effect. The proposed research focuses on (i) the design and synthesis of novel photomagnetic chromophores, (ii) investigation of the mechanism of the photomagnetic switching and (iii) preparation of RT photomagnets by a rational incorporation of the photomagnetic chromophores in the structure of coordination polymers and metal-organic frameworks
Fields of science
- engineering and technologymaterials engineeringcrystals
- natural scienceschemical sciencesinorganic chemistryorganometallic chemistry
- natural scienceschemical sciencespolymer sciences
- natural sciencescomputer and information sciencescomputational science
- natural sciencesphysical sciencestheoretical physicsparticle physicsphotons
Keywords
Programme(s)
- HORIZON.1.1 - European Research Council (ERC) Main Programme
Funding Scheme
HORIZON-ERC - HORIZON ERC GrantsHost institution
31-007 Krakow
Poland