Physics articles within Nature Communications

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  • Article
    | Open Access

    Via Raman and infrared spectroscopy measurements, X. Zan et al. find that rhombohedral ABC trilayer graphene has stronger electron/infrared-phonon coupling than Bernal ABA trilayer graphene.

    • Xiaozhou Zan
    • , Xiangdong Guo
    •  & Guangyu Zhang

  • Article
    | Open Access

    Despite having all the ingredients required for the formation of two-dimensional ferromagnetism, achieving such a magnetic state in atomically thin metal-organic coordination networks has proved to be a persistent challenge. Here, Lobo-Checa et al demonstrate 2Dferromagnetism in a self-assembled network, exhibiting coercive fields over 2 Tesla and a Curie temperature of 35K.

    • Jorge Lobo-Checa
    • , Leyre Hernández-López
    •  & Fernando Bartolomé

  • Article
    | Open Access

    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

  • Article
    | Open Access

    Magnetic random access memory current uses spin transfer torque for switching, which limits the speed of switching operation, and the number of times the device can be switched before failure. Here, Yang et al. demonstrate field free switching using spin-orbit torque offering a pathway to overcome these limitations.

    • Qu Yang
    • , Donghyeon Han
    •  & Hyunsoo Yang

  • Article
    | Open Access

    The field of hydride superconductivity is currently attempting to increase the critical temperature Tc, while also lowering the required stabilization pressure. Here, L.C. Chen et al. study (Y,Ce)H9 alloys and find maximum Tc ~ 140 K at 130 GPa pressure.

    • Liu-Cheng Chen
    • , Tao Luo
    •  & Xiao-Jia Chen

  • Article
    | Open Access

    Spin waves in magnetic nanosystems offer a potential platform for wave-based signal processing and computing, with a variety of advantages compared to optical approaches. Herein, the authors demonstrate resonant phase matched generation of second harmonic spin waves, enabling the generation of short wavelength spin waves that are otherwise difficult to directly excite.

    • K. O. Nikolaev
    • , S. R. Lake
    •  & V. E. Demidov

  • Article
    | Open Access

    The authors show an original approach to achieve strong light-matter interaction harnessing the coupling between plasmonic resonators and the Landau resonances of an underlying quantum well, demonstrating remarkably high coupling strengths.

    • Joshua Mornhinweg
    • , Laura Katharina Diebel
    •  & Christoph Lange

  • Article
    | Open Access

    3He behaves like a Fermi liquid but only at very low temperatures. Here the authors re-examine thermal transport data, arguing that the breakdown of the Fermi liquid occurs when the scattering time falls below the Planckian time and suggesting that heat is partially carried by a collective hydrodynamic sound mode.

    • Kamran Behnia
    •  & Kostya Trachenko

  • Article
    | Open Access

    S. Gassner et al. propose using light pulses to drive a centrosymmetric s-wave superconductor with strong spin-orbit coupling into a metastable triplet p-wave superconductor with non-trivial topology. The two superconducting orders must be closely competing in equilibrium and the light pulse must break a generalized, dynamic form of inversion symmetry.

    • Steven Gassner
    • , Clara S. Weber
    •  & Martin Claassen

  • Article
    | Open Access

    An altermagnet has highly anisotropic spin splitting but zero net magnetization. Here, S.-B. Zhang et al. theoretically study the behavior of s-wave superconductor/altermagnet hybrid structures, finding that Cooper pairs in the proximitized altermagnet have an anisotropic non-zero momentum.

    • Song-Bo Zhang
    • , Lun-Hui Hu
    •  & Titus Neupert

  • Article
    | Open Access

    Studying out-of-equilibrium entanglement fluctuations is beyond the scope of current theories. Lim et al. present an analytical theory of fluctuations in long-time dynamics of entanglement in two classes of integrable lattice models, showing features reminiscent of universal mesoscopic fluctuations.

    • Lih-King Lim
    • , Cunzhong Lou
    •  & Chushun Tian

  • Article
    | Open Access

    In-sensor computing requires detectors with polarity reconfigurability and linear responsivity. Pang et al. report a CsPbBr3 perovskite single crystal X-ray detector for edge extraction imaging with a data compression ratio of 46.4% and classification task with an accuracy of 100%.

    • Jincong Pang
    • , Haodi Wu
    •  & Guangda Niu

  • Article
    | Open Access

    While high-energy heavy ions create cylindrical damage zones called ion tracks in many materials, diamond was an exception for a long time. The authors have succeeded in creating the ion tracks in diamond utilizing 2−9MeV C60 fullerene ion irradiation and studied the structure of the tracks.

    • H. Amekura
    • , A. Chettah
    •  & Y. Saitoh

  • Article
    | Open Access

    Modern electronic devices are too fast and too small to be measured by conventional electronic means. Here the authors combine electron microscopy with femtosecond laser technology and measure the functionality of terahertz electronics in space and time.

    • Maximilian Mattes
    • , Mikhail Volkov
    •  & Peter Baum

  • Article
    | Open Access

    There is increasing interest in measuring the mechanical properties of living cells. Here, the authors develop a method to simultaneously measure the cell mass and two parameters related to its natural oscillation or resonance frequencies.

    • Sophie Herzog
    • , Gotthold Fläschner
    •  & Daniel J. Müller

  • Article
    | Open Access

    Soft composite solids are building blocks for many functional and biological materials, yet it remains challenging to predict their mechanical properties. Zhao et al. propose a criticality framework to connect the mechanics to the critical behaviour near the shear-jamming transition of the dispersed inclusions.

    • Yiqiu Zhao
    • , Haitao Hu
    •  & Qin Xu

  • Article
    | Open Access

    P. Poduval et al. theoretically study the nonzero-temperature vestigial phases of a 2D model exhibiting both triplet superconductivity and magnetism. They show that this model allows for a unique superconducting state in which the condensate consists of entities with three electrons and one hole, with properties similar to those seen in experiments on moiré systems.

    • Prathyush P. Poduval
    •  & Mathias S. Scheurer

  • Article
    | Open Access

    Porosity is a key issue in additive manufacturing (AM). Here, the authors reveal the bubble evolution mechanisms including formation, coalescence, pushing, growth, entrainment, escape, and entrapment during directed energy deposition AM using in situ X-ray imaging and multiphysics modelling.

    • Kai Zhang
    • , Yunhui Chen
    •  & Peter D. Lee

  • Article
    | Open Access

    It has been demonstrated theoretically earlier that a dense phase made of repulsive active particles, in phase-separating regime, exhibit wetting-like behaviors: wall-meniscus or capillary rise in channels. Here authors experimentally investigate a non-phase separating assembly of active colloids under gravity and show that a wetting-like phenomenology persists against a vertical wall, and they evidence a counter-gravity wall climbing.

    • Adérito Fins Carreira
    • , Adam Wysocki
    •  & Cécile Cottin-Bizonne

  • Article
    | Open Access

    Here the authors demonstrate a strong interaction between the generated solitons and background light in a Brillouin-Kerr microcomb system. Based on this unique physical mechanism, they achieve a monostable single soliton microcomb and a turnkey single-soliton microcomb without employing any optical/electrical control or feedback.

    • Menghua Zhang
    • , Shulin Ding
    •  & Xiaoshun Jiang

  • Article
    | Open Access

    The mechanism of charge density wave order in V-based kagome metals has been debated. Here the authors use a range of experimental techniques combined with ab initio calculations to study the electronic structure and phonon modes of ScV6Sn6, revealing the dominant role of strong electron-phonon coupling.

    • Yong Hu
    • , Junzhang Ma
    •  & Ming Shi

  • Article
    | Open Access

    Real-time adaptive control of a qubit has been demonstrated but limited to single-axis Hamiltonian estimation. Here the authors implement two-axis control of a singlet-triplet spin qubit with two fluctuating Hamiltonian parameters, resulting in improved quality of coherent oscillations.

    • Fabrizio Berritta
    • , Torbjørn Rasmussen
    •  & Ferdinand Kuemmeth

  • Article
    | Open Access

    Autonomous quantum error correction protects quantum systems against decoherence through engineered dissipation. Here the authors introduce the Star code, which actively corrects single-photon loss and passively suppresses low-frequency dephasing and implement it in a two-transmon device.

    • Ziqian Li
    • , Tanay Roy
    •  & David I. Schuster

  • Article
    | Open Access

    The electrochemical oxygen reduction reaction plays an important role in new energy technologies such as fuel cells and metal-air batteries. Here the authors present a cobalt catalyst with a symmetry-broken Cl−Co−N4 moiety capable of dynamically modulating electron occupancy at active sites during practical reaction conditions to optimize oxygen reduction performance.

    • Meihuan Liu
    • , Jing Zhang
    •  & Qinghua Liu

  • Article
    | Open Access

    Here the authors develop a coupled ring resonators platform for realizing topological states of matter with hyperbolic dispersion thus offering an approach to boost the efficiency of topological photonic devices.

    • Lei Huang
    • , Lu He
    •  & Xiangdong Zhang

  • Article
    | Open Access

    Metallic systems in magnetic fields enter the quantum limit when the cyclotron energy exceeds the Fermi energy. Here the authors introduce the analogue of the quantum limit for insulators, where the Zeeman energy exceeds the cyclotron energy, and show that it explains key features of the Kondo insulator YbB12.

    • Christopher A. Mizzi
    • , Satya K. Kushwaha
    •  & Neil Harrison

  • Article
    | Open Access

    The researchers showcase swept-coded aperture real-time femtophotography—an all-optical single-shot computational imaging modality at up to 156.3 trillion frames per second—video-records transient absorption in a semiconductor and ultrafast demagnetization of a metal alloy.

    • Jingdan Liu
    • , Miguel Marquez
    •  & Jinyang Liang

  • Article
    | Open Access

    Biomedical X-ray imaging requires high spatial and temporal resolution of the detectors. Liu et al. report a screen-printed perovskite direct-conversion X-ray CMOS imager with a spatial resolution of 5 lp mm−1 and a speed of 300 fps for low-dose 2D radiography and 3D computed tomography imaging.

    • Yanliang Liu
    • , Chaosong Gao
    •  & Yongshuai Ge

  • Article
    | Open Access

    Detection of topological phases in experiments is challenging, especially in the presence of incoherent noise. Cong et al. introduce a novel method combining error correction and renormalization-group flow and apply it to characterization of quantum spin liquid phases realized in a Rydberg-atom simulator.

    • Iris Cong
    • , Nishad Maskara
    •  & Mikhail D. Lukin

  • Article
    | Open Access

    True amplification of spin waves by spin-orbit torque, which manifests itself by an exponential increase in amplitude with propagation distance, has so far remained elusive. Here, the authors realize amplification using clocked nanoseconds-long spin-orbit torque pulses in magnonic nano-waveguides.

    • H. Merbouche
    • , B. Divinskiy
    •  & V. E. Demidov

  • Article
    | Open Access

    Fe3GaTe2 is a van der Waals material with a Curie temperature well above room temperature, making it an attractive material for integration into spintronic devices. Here, Kajale et al demonstrate spin-orbit torque induced switching of the magnetization of Fe3GaTe2, above room temperature, using a Pt spin Hall layer.

    • Shivam N. Kajale
    • , Thanh Nguyen
    •  & Deblina Sarkar

  • Article
    | Open Access

    Huang et al. study fractional quantum Hall (fQH) states in high-quality GaAs/AlGaAs samples. They report evidence for a fQH state at filling factor ν = 9/11, which they associate with the formation of six-flux composite fermions.

    • Haoyun Huang
    • , Waseem Hussain
    •  & G. A. Csáthy

  • Article
    | Open Access

    There hasn’t been much experimental attention to the interaction of chiral active particles with complex environments. Chan et al. propose an interesting granular particle system based on natural plant seeds to examine the transport of chiral active matter in complex surroundings.

    • Chung Wing Chan
    • , Daihui Wu
    •  & Rui Zhang

  • Article
    | Open Access

    Power-law scaling of low-frequency vibrational density of states is widely observed in glassy materials, yet the value of scaling exponents remains controversial. Here, Xu et al. identify two scaling exponents by separating stable from unstable glass to reconcile the debate in the literature.

    • Ding Xu
    • , Shiyun Zhang
    •  & Ning Xu

  • Article
    | Open Access

    Sliding ferroelectricity occurs in stacks of van der Waals materials. Depending on the particular stacking, the system can host a spontaneous polarization, and under an applied electric field, polarization domain walls will propagate transverse to the electric field. Here, Yang et al use an optical approach to directly observe this sliding of domain walls in bilayer MoS2.

    • Dongyang Yang
    • , Jing Liang
    •  & Ziliang Ye

  • Article
    | Open Access

    Certain delafossite materials are the most conductive oxides known, for poorly understood reasons. This work elucidates this finding by uncovering a sublattice purification mechanism that enables ultrapure conductive planes even in impure crystals.

    • Yi Zhang
    • , Fred Tutt
    •  & Chris Leighton

  • Article
    | Open Access

    Plasma created in laboratory are useful to understand the properties of atmospheric and space plasma. Here the authors report a laboratory plasma experiment in a dipole magnetic field to show the excitation of chirping whistler waves, i.e. chorus emission.

    • Haruhiko Saitoh
    • , Masaki Nishiura
    •  & Zensho Yoshida

  • Article
    | Open Access

    Many material properties are governed by the internal dislocation network within the material. Here, the authors describe a method to determine the three dimensional position and type of dislocations from a measurement along only a single direction within a scanning transmission electron microscope.

    • Tore Niermann
    • , Laura Niermann
    •  & Michael Lehmann

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