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Showing 1–18 of 18 results
Advanced filters: Author: Christoph Stampfer Clear advanced filters

  • The experimental investigation of relaxation times in graphene quantum dots has long been hindered by the limited tunability of these devices. Here Volk et. al.employ a device design to study this problem and report charge relaxation times of around 60–100 ns.

    • Christian Volk
    • Christoph Neumann
    • Christoph Stampfer
    ResearchOpen Access
    Nature Communications
    Volume: 4, P: 1-6

  • Monolayer graphene can support the quantum Hall effect up to room temperature. Here, the authors provide evidence that graphene encapsulated in hexagonal boron nitride realizes a novel transport regime where dissipation in the quantum Hall phase is mediated predominantly by electron-phonon scattering rather than disorder scattering.

    • Daniel Vaquero
    • Vito Clericò
    • Sergio Pezzini
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-6

  • Spermidine, a naturally occurring polyamine, extends the lifespan of mice and is cardioprotective in both aged mice and hypertensive rats. In humans, high dietary spermidine intake is associated with reduced blood pressure and a lower incidence of cardiovascular disease.

    • Tobias Eisenberg
    • Mahmoud Abdellatif
    • Frank Madeo
    Research
    Nature Medicine
    Volume: 22, P: 1428-1438

  • This study demonstrates how point defects in 2D semiconductors can be harnessed for neuromorphic computing. By using random telegraph noise in WSe2 field-effect transistors, the researchers improve inference accuracy of noise-inflicted medical images.

    • Harikrishnan Ravichandran
    • Theresia Knobloch
    • Saptarshi Das
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-11

  • The remarkably strong coupling between the electronic and vibrational modes of suspended carbon nanotube quantum dots provides a new way of studying quantized mechanical motion.

    • Renaud Leturcq
    • Christoph Stampfer
    • Klaus Ensslin
    Research
    Nature Physics
    Volume: 5, P: 327-331

  • The intestinal microbiome has an important role in health and disease; however, the long-term effects of lifestyle choices on microbiome alterations are incompletely understood. Here, based on extensive lifestyle and medical data collected over 26 years, Si et al. demonstrate that long-term life history can predict current enterotype in older adults.

    • Jiyeon Si
    • Jorge F. Vázquez-Castellanos
    • Jeroen Raes
    ResearchOpen Access
    Nature Aging
    Volume: 2, P: 885-895

  • Conventional 3D electron microscopes rely on emission, focusing, deflection, and detection of a focused beam of ballistic electrons to analyse the structure and composition of materials. Here, the authors examine the analogous concept of a 2D electron microscope based on graphene ballistic Dirac electrons.

    • Peter Bøggild
    • José M. Caridad
    • Mads Brandbyge
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-12

  • With the right app, smartphones can become a powerful tool for teaching physics and for increasing the popularity of this important subject.

    • Christoph Stampfer
    • Heidrun Heinke
    • Sebastian Staacks
    Comments & Opinion
    Nature Reviews Materials
    Volume: 5, P: 169-170

  • Ultra-low-power cryogenic complementary metal oxide semiconductor (cCMOS) technology is crucial for quantum computers. This Perspective highlights the challenges of the state-of-the-art technology and proposes solutions to mitigate band-tail effects, control the threshold voltage and achieve ultra-low-power cCMOS devices.

    • Qing-Tai Zhao
    • Yi Han
    • Joachim Knoch
    Reviews
    Nature Reviews Electrical Engineering
    Volume: 2, P: 277-290

  • Graphene and related two-dimensional (2D) materials have remained an active field of research in science and engineering for over fifteen years. Here, the authors investigate why the transition from laboratories to fabrication plants appears to lag behind expectations, and summarize the main challenges and opportunities that have thus far prevented the commercialisation of these materials.

    • Max C. Lemme
    • Deji Akinwande
    • Christoph Stampfer
    Comments & OpinionOpen Access
    Nature Communications
    Volume: 13, P: 1-5