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Obitu­ary

Prof. Dr. Hilbert von Löhney­sen The Hector Fellow Academy mourns the passing of Hilbert von Löhney­sen, who died on April 28, 2026, at the age of 79. He was a valued member of our Academy as a Hector Fellow and recip­i­ent of the Hector Science Award in 2011 for his...

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Engineer­ing Covalent Quantum Model Systems

Hector Fellow Manfred Kappes
Hector RCD Awardee Philip Willke

The project is devel­op­ing covalently linked porphyrin spin chains on ultra­thin insula­tors to create designer quantum model systems. Using low-energy electro­spray ion beam deposi­tion (LEIBD), mass-selected metal-tetraphenyl­por­phyrin fragments are selec­tively deposited onto MgO/Ag(100) or NaCl/Au(111) substrates and linked into short 1‑D chains (2–6 units). Using ESR-STM and pulsed ESR techniques (Rabi, Ramsey, Echo), the g‑factor, exchange, and dipole couplings are deter­mined and the spins are coher­ently controlled, creat­ing a versa­tile platform for molec­u­lar quantum simulators.

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