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Showing 1–11 of 11 results
Advanced filters: Author: Daniel Steil Clear advanced filters

  • Understanding the origin of spin filtering in metal/organic interfaces is important for the control of spin injection in organic semiconductors. A time-resolved photoemission experiment shows that spin filtering can be explained by the trapping of electrons in spin-dependent potentials at the interface.

    • Sabine Steil
    • Nicolas Großmann
    • Martin Aeschlimann
    Research
    Nature Physics
    Volume: 9, P: 242-247

  • Dark-field momentum microscopy makes it possible to spatio-temporally and spatio-spectrally resolve the dark-exciton dynamics in a twisted transition metal dichalcogenide heterostructure.

    • David Schmitt
    • Jan Philipp Bange
    • Marcel Reutzel
    Research
    Nature Photonics
    Volume: 19, P: 187-194

  • Multidimensional time- and angle-resolved photoelectron spectroscopy is used to determine the interlayer exciton formation process, reveal a direct hallmark of the superlattice moiré modification, and reconstruct the real-space wavefunction distribution.

    • David Schmitt
    • Jan Philipp Bange
    • Stefan Mathias
    Research
    Nature
    Volume: 608, P: 499-503

  • The feasibility of Floquet engineering in graphene has been called into question due to its fast decoherence processes. Measurements of graphene’s photoemission spectrum now support the generation of Floquet states in this material.

    • Marco Merboldt
    • Michael Schüler
    • Stefan Mathias
    ResearchOpen Access
    Nature Physics
    Volume: 21, P: 1093-1099

  • Understanding excitonic optical excitations is integral to improving optoelectronic and photovoltaic semiconductor devices. Here, Bennecke et al. use photoemission exciton tomography to unravel the multiorbital electron and hole contributions of entangled excitonic states in the prototypical organic semiconductor C60.

    • Wiebke Bennecke
    • Andreas Windischbacher
    • Stefan Mathias
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-10

  • Ageing increases the risk of many diseases. Here the authors compare blood cell transcriptomes of over 14,000 individuals and identify a set of about 1,500 genes that are differently expressed with age, shedding light on transcriptional programs linked to the ageing process and age-associated diseases.

    • Marjolein J. Peters
    • Roby Joehanes
    • Andrew D. Johnson
    ResearchOpen Access
    Nature Communications
    Volume: 6, P: 1-14

  • Optical intersite spin transfer (OISTR), which is driven by an ultrafast optical excitation, was recently found in several materials, but there is some disagreement over how this phenomenon can be observed experimentally. Here, the authors investigate the mechanism of intersite spin transfer in a set of FeNi alloys and make a comparison with pure Ni, demonstrating and discussing the challenges of observing OISTR using magneto-optical measurements.

    • Christina Möller
    • Henrike Probst
    • Stefan Mathias
    ResearchOpen Access
    Communications Physics
    Volume: 7, P: 1-6