Reviews & Analysis

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  • A tender X-ray momentum-resolved spectroscopy for probing elementary excitations in 4d quantum materials is reported and used to measure dispersive spin excitations in a ruthenate microcrystal.

    • Wei-Sheng Lee
    • Brian Moritz
    News & Views
  • Disorder in two-dimensional materials largely affects their properties and performance. This Perspective discusses disorder sources in graphene and transition metal dichalcogenides, the progress in disorder control, and possible uses of disorder.

    • Daniel Rhodes
    • Sang Hoon Chae
    • James Hone
    Perspective
  • A magnetic-field-dependent spectroscopy study on single perovskite nanocrystals reveals the spectral signatures of an exciton dark state below the bright triplet states.

    • Andries Meijerink
    • Freddy T. Rabouw
    News & Views
  • Using electric field gating, researchers demonstrate switching from a single- to a multi-condensate superconducting state at an oxide-based interface, and show that this transition leads to an overall weakening of the superconductivity.

    • H. Hilgenkamp
    • A. E. M. Smink
    News & Views
  • The droplet epitaxy technique has emerged as an alternative to the most commonly used Stranskiā€“Krastanov for fabricating semiconductor nanostructures. This Review discusses the important aspects of droplet epitaxy quantum dots, from the growth mechanism to device application.

    • Massimo Gurioli
    • Zhiming Wang
    • Stefano Sanguinetti
    Review Article
  • Coherent shaping of matter waves in temporal and spatial domains by photon-induced near fields opens up new possibilities for the quantum control of matter.

    • Jun Yuan
    News & Views
  • By measuring the photocurrent from illuminated Weyl semimetals, an optical signature of topological properties arising from Weyl fermions has been revealed, highlighting nonlinear optical effects and applications of Weyl semimetals.

    • Hongming Weng
    News & Views
  • This Review discusses recent developments in the area of non-Hermitian physics, and more specifically the special case of non-Hermitian optical systems with parityā€“time symmetry.

    • Ş. K. Ɩzdemir
    • S. Rotter
    • L. Yang
    Review Article
  • Organic donorā€“acceptor heterojunctions can show efficient electroluminescence and at the same time generate charges under photovoltaic operation.

    • Wolfgang BrĆ¼tting
    News & Views
  • This Review discusses the origins of localized plasmon resonances in few-nanometre or sub-nanometre gaps between metal nanoparticles and metal films, as well recent experimental observations and potential future directions.

    • Jeremy J. Baumberg
    • Javier Aizpurua
    • David R. Smith
    Review Article
  • Potassiumā€“air batteries, which suffer from oxygen cathode and potassium metal anode degradation, can be cycled thousands of times when an organic anode replaces the metal.

    • Yann K. Petit
    • Stefan A. Freunberger
    News & Views
  • Impulsive Raman spectroscopy reveals how atoms are pushed into action by light absorption. The surprising sensitivity of this behaviour to the polaronic character of 2D perovskites opens up new avenues for tailored lightā€“matter interactions.

    • Christoph Schnedermann
    • Akshay Rao
    • Philipp Kukura
    News & Views
  • A two-step method has been developed for the accelerated and efficient generation of human kidney organoids using in vitro and in ovo culture in a three-dimensional environment.

    • Susana M. Chuva de Sousa Lopes
    News & Views
  • Strong spinā€“electric coupling related to modulation of magnetic coupling has now been observed in polar spin chains. This is a first step towards switching quantum bit interactions by localized electric fields.

    • Joris van Slageren
    News & Views
  • Memristive devices show great potential as artificial synapses and neurons, yet brain-inspired computing can be realized only by integrating a large number of these devices into reliable arrays. This Review discusses the challenges in the integration and use in computation of large-scale memristive neural networks.

    • Qiangfei Xia
    • J. Joshua Yang
    Review Article