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Showing 1–13 of 13 results
Advanced filters: Author: Maja D. Bachmann Clear advanced filters

  • Scale-invariant magnetic anisotropy in RuCl3 has been revealed through measurements of its magnetotropic coefficient, providing evidence for a high degree of exchange frustration that favours the formation of a spin liquid state.

    • K. A. Modic
    • Ross D. McDonald
    • Arkady Shekhter
    Research
    Nature Physics
    Volume: 17, P: 240-244

  • Electrons in PdCoO2 can travel a long way before being scattered, and their band structure is such that they can travel in only one of three directions. As a result, the current flow through this nanoscale conductor can be very efficient.

    • Maja D. Bachmann
    • Aaron L. Sharpe
    • Philip J. W. Moll
    ResearchOpen Access
    Nature Physics
    Volume: 18, P: 819-824

  • Ballistic electron beams in clean metals can be focused by passing currents through well designed contraptions, which is mostly done in isotropic materials described by a circular Fermi surface. Here, the authors demonstrate that the almost hexagonal Fermi surface of PdCoO2 gives rise to highly directional ballistic transport with enhanced electron self-focusing effects.

    • Maja D. Bachmann
    • Aaron L. Sharpe
    • Philip J. W. Moll
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-8

  • Magnetic dipoles are the lowest order term in a multipolar expansion. The next allowed in centrosymmetric materials is a magnetic octupole, but this is notoriously difficult to probe experimentally, due to a lack of direct coupling to external fields. Here, Ye et al demonstrate a method to overcome this in PrV2Al20.”

    • Linda Ye
    • Matthew E. Sorensen
    • Ian R. Fisher
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-8

  • The quest to improve transparent conductors is a balance between increasing electrical conductivity and optical transparency. Here the authors demonstrate that both can be fulfilled by separating the optical and electrical conductivity directionality.

    • Carsten Putzke
    • Chunyu Guo
    • Philip J. W. Moll
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-7

  • The existence of Bragg glasses—featuring nearly perfect crystalline order and glassy features—has yet to be experimentally confirmed for disordered charge-density-wave systems. A machine-learning-based experimental study now provides evidence for a Bragg glass phase in the charge density waves of PdxErTe3.

    • Krishnanand Mallayya
    • Joshua Straquadine
    • Eun-Ah Kim
    ResearchOpen Access
    Nature Physics
    Volume: 20, P: 822-829

  • Insights into the behavior of quantum materials are only possible because of the development of suitable experimental probes. Modic et. al. develop the theoretical and experimental basis for resonant torsion magnetometry—a technique to measure anisotropic magnetic responses with high sensitivity.

    • K. A. Modic
    • Maja D. Bachmann
    • Philip J. W. Moll
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-8

  • A versatile methodology to detect topological quasiparticles by transport measurements remains an open problem. Here, the authors propose and experimentally observe the temperature dependence of the quantum oscillation frequency as a signature of non-trivial band topology.

    • Chunyu Guo
    • A. Alexandradinata
    • Philip J. W. Moll
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-7

  • Weyl semimetals should exhibit unusual electronic behaviour but conditions where these effects dominate are difficult to achieve. Ramshaw et al. use high magnetic fields to drive TaAs into the quantum limit, finding evidence for the predicted chiral anomaly and an unanticipated increase in resistivity at the highest fields.

    • B. J. Ramshaw
    • K. A. Modic
    • R. D. McDonald
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-9