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Showing 1–3 of 3 results
Advanced filters: Author: Malte Oppermann Clear advanced filters

  • Linearly polarized orbital angular momentum-carrying hard X-ray beams are induced using spiral Fresnel zone plates. By sending the hard X-ray beams to disordered enantiopure molecular complexes, the helicity-dependent and chiral-sensitive signal is obtained.

    • Jérémy R. Rouxel
    • Benedikt Rösner
    • Majed Chergui
    Research
    Nature Photonics
    Volume: 16, P: 570-574

  • Despite much research, the high-spin-state relaxation mechanism of Fe(II) spin-crossover complexes is unresolved. Using ultrafast circular dichroism spectroscopy it has now been revealed that the spin relaxation is driven by a torsional twisting mode, which breaks the chiral symmetry of a prototypical Fe(II) compound. Stereocontrolling the configuration of the complex can thus be used to slow down the spin relaxation.

    • Malte Oppermann
    • Francesco Zinna
    • Majed Chergui
    Research
    Nature Chemistry
    Volume: 14, P: 739-745