Information storage articles within Nature Communications

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  • Article
    | Open Access

    Inspired by fireflies, a bimodal information indication system using a photochemical afterglow material within a photonic crystal matrix is developed to display both static and changing information, such as sample type and degree of degradation.

    • Hanwen Huang
    • , Jiamiao Yin
    •  & Changchun Wang

  • Article
    | Open Access

    Some materials have an internal degree of freedom called chirality, such as helimagnets, where the magnetic order has a helix structure with a specific chirality. Here, Masuda et al. demonstrate chirality switching and detection at room temperature in helimagnetic MnAu2 thin films.

    • Hidetoshi Masuda
    • , Takeshi Seki
    •  & Yoshinori Onose

  • Article
    | Open Access

    Electrical control of topological magnets is of great interest for future spintronic applications. Here, the authors demonstrate the effective manipulation of antiferromagnetic order in a Weyl semimetal using orbital torques, with implications for neuromorphic device applications.

    • Zhenyi Zheng
    • , Tao Zeng
    •  & Jingsheng Chen

  • Article
    | Open Access

    Designing efficient high-density crossbar arrays are nowadays highly demanded for many artificial intelligence applications. Here, the authors propose a two-terminal ferroelectric fin diode non-volatile memory in which a ferroelectric capacitor and a fin-like semiconductor channel are combined to share both top and bottom electrodes with high performance and easy fabrication process

    • Guangdi Feng
    • , Qiuxiang Zhu
    •  & Chungang Duan

  • Article
    | Open Access

    Nanoscale ferroelectric domains called electric bubbles are shown to behave as dynamical particles. Using atomistic simulations and experiments, the authors reveal a bubble liquid phase and demonstrate teleportation-like displacements of single bubbles.

    • S. Prokhorenko
    • , Y. Nahas
    •  & L. Bellaiche

  • Article
    | Open Access

    Hydrogen-bonded organic frameworks as stimuli responsive multistate structures show potential in the field of resistive switching. Here, the authors report a 0D+1D hydrogen-bonded polycatenation non-covalent organic framework showing reversible transformation of multistate-structures triggered by electrical field and temperature, enabling reversibly switchable resistive random-access memory and write-once-read-many-times memory behavior.

    • Shimin Chen
    • , Yan Ju
    •  & Zhangjing Zhang

  • Article
    | Open Access

    In-sensor and near-sensor computing are emerging as the next-generation computing paradigm, for high-density and low-power sensory processing. Here, the authors report a fully hardware-implemented artificial visual system for versatile image processing based on multimodal-multifunctional optoelectronic resistive memory devices with optical and electrical resistive switching modes.

    • Guangdong Zhou
    • , Jie Li
    •  & Shukai Duan

  • Article
    | Open Access

    Ferroelectric transistors are promising building blocks for developing energy-efficient memory and logic applications. Here, the authors report a record high 300 K resistance on-off ratio achieved in ferroelectric-gated Mott transistors by exploiting a charge transfer layer to tailor the channel carrier density and mitigate the ferroelectric depolarization effect.

    • Yifei Hao
    • , Xuegang Chen
    •  & Xia Hong

  • Article
    | Open Access

    Responsive hydrogels containing multichannel information have potential in miniature devices, but their fabrication can be challenging. Here, the authors report the creation of hydrogel materials with each pixel containing three-channel information for printing of distinct images in one location.

    • Mingchao Zhang
    • , Yohan Lee
    •  & Metin Sitti

  • Article
    | Open Access

    Layered thio- and seleno-phosphate ferroelectrics show promise for next-generation memory but have thermal stability issues. Using the electric field-driven phase transition in antiferroelectric CuCrP2S6, the authors introduce a robust memristor, emphasizing the potential of van der Waals antiferroelectrics in advanced neuromorphic computing.

    • Yinchang Ma
    • , Yuan Yan
    •  & Xixiang Zhang

  • Article
    | Open Access

    Designing high performance organic neuromorphic devices remains a challenge. Here, Liu et al. report the development of an organic synapse based on a semicrystalline polymer PBFCL10 with device dimension of 50 nm and integration size of 1 Kb and a mixed‐signal neuromorphic hardware system based on the organic neuromatrix and FPGA controller for decision‐making tasks.

    • Shuzhi Liu
    • , Jianmin Zeng
    •  & Gang Liu

  • Article
    | Open Access

    Switching the magnetization of a ferromagnetic layer with a current induced spin-orbit torques requires the breaking symmetry, either via an in-plane magnetic field, or in the case of field-free switching via a device asymmetry. Here, Liang et al carefully control the Burgers vector of crystal dislocations to break the in-plane symmetry and allow for field-free switching of magnetization in a Pt/Co heterostructure.

    • Yuhan Liang
    • , Di Yi
    •  & Yuan-Hua Lin

  • Article
    | Open Access

    Designing high efficient optoelectronic memory remains a challenge. Here, the authors report a novel optoelectronic memory device based on a photosensitive dielectric that is an insulator in dark and a semiconductor under irradiation with multilevel storage ability, low energy consumption and good compatibility.

    • Rui Zhu
    • , Huili Liang
    •  & Zengxia Mei

  • Article
    | Open Access

    Soliton molecules have been observed only in the temporal dimension for classical wave optical systems. Here, the authors use scanning tunneling spectroscopy to identify a topological soliton molecule in real space in a quasi-1D charge-ordered phase of indium atomic wires.

    • Taehwan Im
    • , Sun Kyu Song
    •  & Han Woong Yeom

  • Article
    | Open Access

    Several recent works have demonstrated current based control of antiferromagnetic order, with the potential that such switching could be used for information processing and storage. Here, Haley et al demonstrate that in FexNbS2, this switching is non-local, with magnetic order changing due to an applied current at distances much larger than the spin diffusion length in the material.

    • Shannon C. Haley
    • , Eran Maniv
    •  & James G. Analytis

  • Article
    | Open Access

    Here, the authors report a hydrostatic-pressure-driven anomalous enhancement of the spontaneous polarization of CuInP2S6 at room temperature, in contrast to the standard pressure-induced suppression of ferroelectricity. The polarization enhancement stems from the spatial instability of the Cu cations and increase of Cu occupancy at the interlayer site.

    • Xiaodong Yao
    • , Yinxin Bai
    •  & Jinlong Zhu

  • Article
    | Open Access

    Spin-orbit torques, arising in systems with strong spin-orbit interactions, have been a major avenue of research for the potential electric control of magnetization. Recently, unconventional spin-orbit torques, with spin polarizations aligned in atypical ways have garnered interest due to the numerous advantages offered compared to their conventional counterparts. Here, Xue et al investigate ‘type-x’ spin-orbit torque switching, demonstrating both unique spin polarizations, and field-free magnetization switching in Platinum/Cobalt multilayers.

    • Fen Xue
    • , Shy-Jay Lin
    •  & Shan X. Wang

  • Article
    | Open Access

    Designing efficient multistate resistive switching devices is promising for neuromorphic computing. Here, the authors demonstrate a reversible hydrogenation in WO3 thin films at room temperature with an electrically-biased scanning probe. The associated insulator to metal transition offers the opportunity to precisely control multistate conductivity at nanoscale.

    • Fan Zhang
    • , Yang Zhang
    •  & Pu Yu

  • Article
    | Open Access

    While reservoir computing can process temporal information efficiently, its hardware implementation remains a challenge due to the lack of robust and energy efficient hardware. Here, the authors develop an all-ferroelectric reservoir computing system, showing high accuracies and low power consumptions in various tasks like the time-series prediction.

    • Zhiwei Chen
    • , Wenjie Li
    •  & Jun-Ming Liu

  • Article
    | Open Access

    A central goal of spintronics is electric control of magnetism. One particularly promising method makes use of spin-orbit torques which arise due to the combination of electric current, and the intrinsic spin-orbit effect in a material. Here, Grezes et al demonstrate non-volatile electrical control of the spin-orbit torque generated at the interface between an oxide and a metal.

    • Cécile Grezes
    • , Aurélie Kandazoglou
    •  & Jean-Philippe Attané

  • Article
    | Open Access

    Increasing the speed of magnetization switching is an obvious pathway to improve spintronic device performance. However, very fast magnetization switching is accompanied by instabilities. Here, Gidding et al study these instabilities using optical pumping, and show that instability generated spin-waves can achieve a high enough amplitude to drive switching of the magnetization, with a distinctive coherent pattern.

    • M. Gidding
    • , T. Janssen
    •  & A. Kirilyuk

  • Article
    | Open Access

    In order to be used on a large scale, unclonable tags for anti-counterfeiting should allow mass production at low cost, as well as fast and easy authentication. Here, the authors show how to use one-step annealing of gold films to quickly realize robust tags with high capacity, allowing fast deep-learning based authentication via smartphone readout.

    • Ningfei Sun
    • , Ziyu Chen
    •  & Qian Liu

  • Article
    | Open Access

    Origami-inspired engineering has enabled intelligent materials and structures to react to environments, yet a complete sense-decide-act autonomous loop is still challenging. Yan et al. introduce autonomous origami robots by embedding sensing, computing, and actuating in compliant, conductive materials.

    • Wenzhong Yan
    • , Shuguang Li
    •  & Ankur Mehta

  • Article
    | Open Access

    Manipulating electrical and magnetic anisotropies will stimulate multi-terminal device applications. Here, the authors discover axis dependence of current rectifications, magnetic properties and magnon modes in van der Waals multiferroic CuCrP2S6.

    • Xiaolei Wang
    • , Zixuan Shang
    •  & Jianhua Zhao

  • Article
    | Open Access

    The application of multiferroics is often limited by low ordering temperatures. Here, the authors show that BaFe2O4 is a room temperature antiferromagnet with improper ferroelectricity, suggesting it as a playground for the study of multiferroicity.

    • Fabio Orlandi
    • , Davide Delmonte
    •  & Francesco Mezzadri

  • Article
    | Open Access

    The separation of sensor, memory, and processor in a recognition system deteriorates the latency of decision-making and increases the overall computing power. Here, Zhang et al. develop a photoelectronic reservoir computing system, consisting of DUV photo-synapses and a memristor array, to detect and recognize the latent fingerprint with in-sensor and parallel in-memory computing.

    • Zhongfang Zhang
    • , Xiaolong Zhao
    •  & Shibing Long

  • Article
    | Open Access

    Designing a computing scheme to solve complex tasks as the big data field proliferates remains a challenge. Here, the authors present a probabilistic bit generation hardware built using the random nature of CuxTe1−x/HfO2/Pt memristors capable of performing logic gates with invertible mode, showing the expandability to complex logic circuits.

    • Kyung Seok Woo
    • , Jaehyun Kim
    •  & Cheol Seong Hwang

  • Article
    | Open Access

    Integrating ferroelectric perovskite oxides on Si is highly desired for electronic applications but challenging. Here, the authors show emergent in-plane ferroelectricity and promising nonvolatile memories based on resistive domain wall in BaTiO3/Si.

    • Haoying Sun
    • , Jierong Wang
    •  & Yuefeng Nie

  • Article
    | Open Access

    Anisotropic functional patterned surfaces have shown significant applications in microfluidics, biomedicine, and optoelectronics. Here, authors demonstrate a fast and mask-free etching method for accurate surface patterning by confined decomposition, enabling the efficient fabrication of complex patterns.

    • Rui Feng
    • , Fei Song
    •  & Yu-Zhong Wang

  • Article
    | Open Access

    The crystallization of metastable liquid phase change materials releases stored energy upon nucleation. Here, the authors demonstrate area-selective activation of thermoresponsive processes by exothermic crystallization of sodium acetate into trihydrate crystals within a patterned polyacrylamide hydrogel.

    • Thomas B. H. Schroeder
    •  & Joanna Aizenberg

  • Article
    | Open Access

    Phase transition brings a plethora of exotic phenomena and intriguing effects such as spin and charge frustration. However, the phase transition order is not always explicit. Here, the authors discover phase transition frustration near a tricritical composition point in ferroelectric Pb(Zr,Ti)O3.

    • Xian-Kui Wei
    • , Sergei Prokhorenko
    •  & Zuo-Guang Ye

  • Article
    | Open Access

    Tailoring the crystallization kinetics of materials is important for targeting applications. Here the authors observe a remarkable dependence of crystallization and vitrification kinetics and attribute it to systematic bonding changes for a class of materials between metallic and covalent bonding.

    • Christoph Persch
    • , Maximilian J. Müller
    •  & Matthias Wuttig

  • Article
    | Open Access

    The majority of polar structures emerging naturally in ferroelectrics are topologically trivial. Here, the authors demonstrate reconstruction of topologically trivial strip-like domain architecture into arrays of polar vortex in (PbTiO3)10/(SrTiO3)10 superlattice.

    • Congbing Tan
    • , Yongqi Dong
    •  & Jiangyu Li

  • Article
    | Open Access

    Force sensing using mechanochromic polymers is currently limited to two state systems and does not allow directly correlating the force with the absorption or emission wavelength. Here, the authors present a mechanochromic donor-acceptor torsional spring that undergoes force-induced planarization during uniaxial elongation leading to force dependent red-shifted absorption and emission spectra.

    • Maximilian Raisch
    • , Wafa Maftuhin
    •  & Michael Sommer

  • Article
    | Open Access

    Halide perovskite has been applied for resistive switching memory devices, but there are challenges remained to achieve practical application. By using high-throughput screening based on first-principles calculations, the authors discover that lead-free dimer-Cs3Sb2I9 meets the requirements, which exhibits switching speed of 20 ns.

    • Youngjun Park
    • , Seong Hun Kim
    •  & Jang-Sik Lee

  • Article
    | Open Access

    Encoding data in DNA is a promising approach to high density data storage. Here the authors present a prototype sequencing-free method that uses the spatial orientation of DNA strands with super-resolution microscopy readout.

    • George D. Dickinson
    • , Golam Md Mortuza
    •  & William L. Hughes

  • Article
    | Open Access

    Though polymer memristors are promising for low‐power flexible edge computing applications, realizing efficient nanometer‐scale arrays remains a challenge. Here, the authors report a record high 90% production yield in nm‐scale 2D conjugated polymer memristors with homogeneous resistive switching.

    • Bin Zhang
    • , Weilin Chen
    •  & Yu Chen

  • Article
    | Open Access

    The memory retention for a ferroelectric field-effect transistor is limited by the depolarization effects and carrier charge trapping. Here, the authors fabricate a long-retention memory cell with a metal-ferroelectric-metal-insulator-semiconductor architecture built from all van der Waals single crystals.

    • Xiaowei Wang
    • , Chao Zhu
    •  & Zheng Liu

  • Article
    | Open Access

    Machine learning driven research holds big promise towards accelerating materials’ discovery. Here the authors demonstrate CAMEO, which integrates active learning Bayesian optimization with practical experiments execution, for the discovery of new phase- change materials using X-ray diffraction experiments.

    • A. Gilad Kusne
    • , Heshan Yu
    •  & Ichiro Takeuchi

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