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Showing 1–10 of 10 results
Advanced filters: Author: Martin Wenderoth Clear advanced filters

  • Electron transport at the atom-level scale cannot be described by spatially averaged electric fields as it is in macroscopic systems. Here, the authors experimentally demonstrate the spatial extent of an atomically local scattering process that gives rise to resistivity in nanoscale devices.

    • Philip Willke
    • Thomas Druga
    • Martin Wenderoth
    Research
    Nature Communications
    Volume: 6, P: 1-5

  • Macroscopic magneto-transport measurements enable investigation of the transport properties of materials in the presence of magnetic fields, yet they do not allow access to atomic scale details. Here, the authors combine scanning tunneling potentiometry with magnetic fields to demonstrate nanoscale magneto-transport.

    • Philip Willke
    • Thomas Kotzott
    • Martin Wenderoth
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-7

  • Understanding the dynamics of bound and free charges and local electric fields on a nanometre scale are important in scanning tunnelling microscopy and nanoscale electronics. Here, the authors present a model system—a metallic tip near a gallium arsenide surface—for studying such electrostatic interactions.

    • Philipp Kloth
    • Katharina Kaiser
    • Martin Wenderoth
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-6

  • The Kondo effect describes electrons scattering off a magnetic impurity, which affects the resistivity of a metal at low temperatures. In the case of buried iron or cobalt atoms, the correlations are longer ranged than studies of adatoms have shown.

    • Henning Prüser
    • Martin Wenderoth
    • Rainer G. Ulbrich
    Research
    Nature Physics
    Volume: 7, P: 203-206

  • Measurement of charge transport in epitaxial graphene is challenging. Here, the authors quantitatively investigate local transport properties of graphene prepared by polymer assisted sublimation growth using scanning tunneling potentiometry and report local sheet resistances with a variation of up to 270% at low temperatures.

    • Anna Sinterhauf
    • Georg A. Traeger
    • Martin Wenderoth
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-9

  • Building an understanding of how many bodies interact with one another starts by understanding the interaction between just two. Here, Prüser et al.show how the separation between two magnetic impurities in copper influences a many-body interaction known as the Kondo effect.

    • Henning Prüser
    • Piet E. Dargel
    • Martin Wenderoth
    Research
    Nature Communications
    Volume: 5, P: 1-8

  • Thiolate groups are promising anchors to immobilize catalysts, particularly on coinage metal surfaces, but the anchor group’s impact on the local adsorption configuration of the catalyst is often overlooked. Here, the authors study a sulfurated derivative of the prominent Re(bpy)(CO)3Cl carbon dioxide reduction catalysts on a Ag(001) surface at room temperature.

    • Ole Bunjes
    • Alexandra Rittmeier
    • Martin Wenderoth
    ResearchOpen Access
    Communications Chemistry
    Volume: 7, P: 1-8

  • Catalytically active complexes adsorbed to noble metal surfaces hold potential for CO2 utilisation. Here, the mechanism of growth of fac-Re(bpy)(CO)3Cl on Ag(001) is shown to begin at well-oriented surface steps, with surface restructuring promoting the growth of long-range ordered assemblies.

    • Ole Bunjes
    • Lucas A. Paul
    • Martin Wenderoth
    ResearchOpen Access
    Communications Chemistry
    Volume: 5, P: 1-8