Condensed-matter physics articles within Nature Communications

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  • Article
    | Open Access

    The authors use angle-resolved photoemission spectroscopy (ARPES) and scanning tunneling microscopy (STM) to study the charge density wave (CDW) in the kagome material ScV6Sn6. The ARPES data shows minimal changes to the electronic structure in the CDW state, while STM quasiparticle interference measurements imply a strong reconstruction of the electronic structure in the CDW state.

    • Asish K. Kundu
    • , Xiong Huang
    •  & Abhay N. Pasupathy

  • Article
    | Open Access

    Quantum Hall ferromagnets can host magnons, collective spin-wave excitations, which have possible uses in spin-wave based information processing. Detecting these excitations electrically can be challenging. Here, Kumar, Srivastav, Roy, Park and coauthors demonstrate a noise-based approach to detecting magnons.

    • Ravi Kumar
    • , Saurabh Kumar Srivastav
    •  & Anindya Das

  • Article
    | Open Access

    The classification of magnets now includes altermagnets which possess opposite-spin sublattices connected by rotation and share some features with ferro- and antiferromagnets. Here the authors report the anomalous Hall effect in Mn5Si3 and interpret the results in terms of a d-wave altermagnetic phase.

    • Helena Reichlova
    • , Rafael Lopes Seeger
    •  & Libor Šmejkal

  • Article
    | Open Access

    The authors measure picosecond spin pumping in FeRh as a function of temperature by optical pump-THz emission spectroscopy. In the antiferromagnetic phase of FeRh enhanced spin pumping above the value measured in the ferromagnetic phase is observed.

    • Dominik Hamara
    • , Mara Strungaru
    •  & Chiara Ciccarelli

  • Article
    | Open Access

    A major advantage of antiferromagnets for applications is the lack of stray fields and insensitivity to magneto-electric perturbations, however, this also makes electric control of AFMs challenging. Here, focusing on a non-collinear AFM, Mn3Ge/Sn, Wu et al demonstrate fast domain wall motion, with remarkably low current density, and extend our understanding of spin-transfer torques that drive this to noncollinear antiferromagnetic systems.

    • Mingxing Wu
    • , Taishi Chen
    •  & Yoshichika Otani

  • Article
    | Open Access

    Semiconductor qubit architectures based on direct qubit coupling suffer from wiring fan-out and crosstalk as they scale up. Here the authors propose an architecture based on conveyor-mode shuttling of electron spins that tackles these issues and validate it numerically on quantum dot spin qubits in Si/SiGe.

    • Matthias Künne
    • , Alexander Willmes
    •  & Hendrik Bluhm

  • Article
    | Open Access

    Antiferromagnets have a variety of attractive features such as rapid operation, lack of stray fields, and insensitivity to external perturbations, that make an exciting prospect for memory and computing applications. Unfortunately, readout of the antiferromagnetic state is challenging. Here, Yan, Mao and coauthors demonstrate an antiferromagnet that can be switched between antiferromagnetic phases via piezoelectric strain with a large difference in the resistance between the two antiferromagnetic phases.

    • Han Yan
    • , Hongye Mao
    •  & Zhiqi Liu

  • Article
    | Open Access

    The authors use scanning tunneling spectroscopy to investigate the evolution of quasiparticle interference in a single-layer cuprate compound. They find evidence for an emergent normal fluid in the superconducting ground state of overdoped samples, with the gapless quasiparticles located at the antinodal region of reciprocal space.

    • Shusen Ye
    • , Miao Xu
    •  & Yayu Wang

  • Article
    | Open Access

    While synthetic active matter research has concentrated on developing point-like, interacting entities, designing freely jointed active assemblies from autonomously powered components has remained a challenge. Here, the authors introduce freely jointed active polymers created from self-propelled droplets, uncovering emergent rigidity and propulsion, thereby advancing towards self-morphic synthetic materials.

    • Manoj Kumar
    • , Aniruddh Murali
    •  & Shashi Thutupalli

  • Article
    | Open Access

    Skyrmions, a type of topological spin texture, have been proposed for both storing and processing information. Central to this is the ability to manipulate the skyrmions, while at the same time ensuring their stability. Here, Ran, Tan, Sun and coauthors observe the bending of skyrmion strings under a thermal gradient, providing key evidence for the existence of magnon friction.

    • Kejing Ran
    • , Wancong Tan
    •  & Shilei Zhang

  • Article
    | Open Access

    In this work, the researchers realize the current-induced motion of Néel type chiral domain walls via spin-transfer-torque in the pristine van der Waals ferromagnet Fe3GeTe2 and via spin-orbit-torques in heterostructures with platinum or tungsten.

    • Wenjie Zhang
    • , Tianping Ma
    •  & Stuart S. P. Parkin

  • Article
    | Open Access

    An electrical heat engine has been realized at sub-Kelvin temperatures. It consists of a superconducting spin-selective tunnel junction of EuS/Al/AlOx/Co. The efficiency of the engine is quantified for different magnetic configurations.

    • Clodoaldo Irineu Levartoski de Araujo
    • , Pauli Virtanen
    •  & Elia Strambini

  • Article
    | Open Access

    Metastable states found in superconductors and charge density wave materials are of fundamental interest. Vodeb et al. study the domain wall dynamics in 1T-TaS2 using scanning tunneling microscopy and a quantum annealer, finding that in both cases the dynamics is driven by spectrally similar noise.

    • Jaka Vodeb
    • , Michele Diego
    •  & Dragan Mihailovic

  • Article
    | Open Access

    Recently, long spin coherence times have been predicted for spin defects in simple oxides. Here, by using high-throughput first-principles calculations, the authors identify promising spin defects in CaO, with electronic properties similar to those of NV centers but with longer coherence times.

    • Joel Davidsson
    • , Mykyta Onizhuk
    •  & Giulia Galli

  • Article
    | Open Access

    The authors show that dipolar condensates are prevalent in bosonic systems due to a self-proximity effect. Furthermore, they propose a new type of Josephson effect called dipolar Josephson effect, where a supercurrent of dipoles happens in the absence of particle flow.

    • Wenhui Xu
    • , Chenwei Lv
    •  & Qi Zhou

  • Article
    | Open Access

    Quantum spin Hall materials hold great potential for future nanoelectronics. Here, authors synthesize a potential host system — monolayer ZrTe5 — and demonstrate it possesses a band gap wide enough for potential room-temperature applications.

    • Yong-Jie Xu
    • , Guohua Cao
    •  & Shao-Chun Li

  • Article
    | Open Access

    CrSBr is a van der Waals layered antiferromagnet. Unlike many other van der Waals magnetic materials it is air stable, and in addition hosts a rich array of magneto-optical responses. Here, Tabataba-Vakili et al demonstrate that the magnetic and optical response of CrSBr is sensitive to gating, allowing electrical control of the magneto-optical properties.

    • Farsane Tabataba-Vakili
    • , Huy P. G. Nguyen
    •  & Alexander Högele

  • Article
    | Open Access

    Hydrogen-doping driven metal to ferroelectric phase transition in a complex oxide NdNiO3 is demonstrated. Transient negative differential capacitance and implementation of polarization decay into neural network for learning are then presented.

    • Yifan Yuan
    • , Michele Kotiuga
    •  & Shriram Ramanathan

  • Article
    | Open Access

    Si color centers offer promising quantum technology applications, but their interaction with electric fields has not been explored. Here the authors report electrical manipulation of telecom emitters in Si by fabricating lateral diodes with an integrated ensemble of G centers in commercial Si on insulator wafer.

    • Aaron M. Day
    • , Madison Sutula
    •  & Evelyn L. Hu

  • Article
    | Open Access

    Topological semimetals offer the potential for new-generation spintronic devices. Here, the authors demonstrate a large out-of-plane damping-like spin–orbit torque efficiency in a heterostructure based on the Weyl semimetal TaIrTe4.

    • Lakhan Bainsla
    • , Bing Zhao
    •  & Saroj P. Dash

  • Article
    | Open Access

    The authors reveal a link between the quantum metric and the dielectric constant of insulators, determining the geometric capacitance of insulators and revealing the intrinsic delocalization of electrons in the lattice.

    • Ilia Komissarov
    • , Tobias Holder
    •  & Raquel Queiroz

  • Article
    | Open Access

    The authors report the measurement of the Little-Parks effect in the unconventional superconductor candidate 4Hb-TaS2. They find a π-shift in the transition-temperature oscillations and an ehancement of Tc as a function of the out-of-plane field when a constant in-plane field is applied, consistent with a multi-component order parameter.

    • Avior Almoalem
    • , Irena Feldman
    •  & Amit Kanigel

  • Article
    | Open Access

    2D semiconductors may offer a platform for future electronics, but the wafer-scale fabrication of high-performance 2D transistors remains challenging. Here, the authors report a universal all-stacking method to fabricate wafer-scale 2D electronic devices with van der Waals contacts, based on epitaxial metallic electrodes grown on fluorophlogopite mica.

    • Xiaodong Zhang
    • , Chenxi Huang
    •  & Hualing Zeng

  • Article
    | Open Access

    Strange metal behaviour of high-Tc superconductors, characterised by unconventional electrical and thermodynamic properties, still poses challenges for theory. Smit et al. report experimental features in the self-energy of a strange metal that are consistent with predictions by holographic theoretical methods.

    • S. Smit
    • , E. Mauri
    •  & M. S. Golden

  • Article
    | Open Access

    Extreme magnetoresistance (XMR) is the name assigned to the large and non-saturating magnetoresistance that occurs in some metals and semi-metals. In this work, the authors demonstrate the first material, PtSn4, in which XMR can be switched off by changing the direction of the magnetic field.

    • J. Diaz
    • , K. Wang
    •  & P. J. W. Moll

  • Article
    | Open Access

    The transport behavior of high-entropy alloys (HEAs) remains unclear. Here, the authors explore the fundamentals of low-wear and high-conductivity refractory HEAs, examining the cocktail effect in conductivity, and highlight its potential applications in enhancing atomic-scale image resolution.

    • Cheng-Hsien Yeh
    • , Wen-Dung Hsu
    •  & Chuan-Feng Shih

  • Article
    | Open Access

    The authors observe THz emission from Ni/Pt heterostructure due to long-range ballistic orbital transport. The velocity of orbital current can be optically tuned by laser fluence, opening the avenue for future optorbitronic devices.

    • Sobhan Subhra Mishra
    • , James Lourembam
    •  & Ranjan Singh

  • Article
    | Open Access

    By resonant pumping the organic cation in 2D perovskite, Fu et al. report the electronic and mechanical couplings between the organic and inorganic sublattices, evidenced by the reduced bandgap and modified lattice degree of freedom within the inorganic sublattice, and slow heat transfer process.

    • Jianhui Fu
    • , Tieyuan Bian
    •  & Tze Chien Sum

  • Article
    | Open Access

    The authors report experimental evidence of phonon Stark effect in 2H-MoS2 bilayers. A Stark phonon appears as the interlayer excitons are tuned to resonate with the LA phonon emission line, and shows a linear energy shift upon application of an out-of-plane electric field.

    • Zhiheng Huang
    • , Yunfei Bai
    •  & Guangyu Zhang

  • Article
    | Open Access

    According to conventional wisdom, angle-resolved photoemission spectroscopy (ARPES) can only measure the magnitude of the superconducting gap but not its phase. Here, the authors propose a new method to directly detect the superconducting gap phase using ARPES and validate this technique on a cuprate superconductor.

    • Qiang Gao
    • , Jin Mo Bok
    •  & X. J. Zhou

  • Article
    | Open Access

    There are now several van der Waals magnets that have been shown to host skyrmions, however, these are typically hampered by a low Curie temperature, restricting the temperature at which the skyrmions can exist. Here, Zhang, Jiang, Jiang and coauthors find a skyrmion lattice in the van der Waals magnet Fe3 − xGaTe2 above room temperature and demonstrate the critical role of symmetry breaking in crystal lattice in the origin of these skyrmions.

    • Chenhui Zhang
    • , Ze Jiang
    •  & Hyunsoo Yang

  • Article
    | Open Access

    Switchable structural and physical bistability in ferroelectric materials can be achieved as result of molecular orbital breaking. Here, the authors describe the photo-mediated bistability in organosilicon Schiff base ferroelectric crystals for the modulation of dielectric, second-harmonic generation, and ferroelectric polarization and showing good in vitro biocompatibility.

    • Zhu-Xiao Gu
    • , Nan Zhang
    •  & Han-Yue Zhang

  • Article
    | Open Access

    Toggle switching refers to the switching of magnetization induced by a train of ultrashort laser pulses. The high speed make such switching in extremely promising for devices, however, the underlying toggle switching mechanism in metals is due to heating, and thus has a downside of dissipation. Here, Zalewski et al demonstrate ultrafast ‘cold’ toggle switching, with a mechanism that does not rely on heating in dielectric Cobalt doped Yittrium Iron Garnet.

    • T. Zalewski
    • , A. Maziewski
    •  & A. Stupakiewicz

  • Article
    | Open Access

    The authors study tunneling junctions in rhombohedral MoS2 bilayers and correlate their performance with the local domain layout. They show that the switching behavior in sliding ferroelectrics is strongly dependent on the pre-existing domain structure.

    • Yunze Gao
    • , Astrid Weston
    •  & Roman Gorbachev

  • Article
    | Open Access

    The authors study the [Nb/V/Ta] superconducting artificial superlattice, known to support a superconducting diode effect, by pulsed THz spectroscopy and simultaneous transport. They found a non-monotonic switching between the superconducting and normal state, which can be explained if the THz-driven vortex depinning determines the critical current.

    • Fumiya Sekiguchi
    • , Hideki Narita
    •  & Yoshihiko Kanemitsu

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