Ferroelectrics and multiferroics articles within Nature Communications

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  • Article
    | Open Access

    Defect-free surfaces with excess charge are typically described as a homogeneous 2D electron gas. Here, in contrast, the authors find that the KTaO3(001) surface hosts a charge density wave coexisting with a pattern of electron polarons, highly localized states of excess electrons bound to a lattice distortion.

    • Michele Reticcioli
    • , Zhichang Wang
    •  & Cesare Franchini

  • Article
    | Open Access

    Maximizing the electromechanical response is crucial for developing piezoelectric devices. Here, the authors demonstrate a giant electric-field-induced strain and its origin in alkali niobate epitaxial thin films with self-assembled planar faults.

    • Moaz Waqar
    • , Haijun Wu
    •  & John Wang

  • Article
    | Open Access

    The interplay between chirality and magnetism has been attracting much. Here, the authors show that the movement of bound charges in a chiral dielectric depends on the relative orientation between this movement and an external magnetic field.

    • Geert L. J. A. Rikken
    •  & Narcis Avarvari

  • Article
    | Open Access

    Setting any polarization value in ferroelectric thin films is a key step for their implementation in neuromorphic devices. Here, the authors demonstrate continuous modulation of the remanent polarization at the nanoscale in PbZr0.52Ti0.48O3 films.

    • Martin F. Sarott
    • , Marta D. Rossell
    •  & Morgan Trassin

  • Article
    | Open Access

    Ferroelectric domain walls have been extensively explored for nanoelectronics, but the logic devices are still challenging. Here, the authors propose programmable logic gates and circuits based on electric-field controllable conductive domain walls.

    • Jing Wang
    • , Jing Ma
    •  & Ce-Wen Nan

  • Article
    | Open Access

    It is challenging to construct lateral homostructures with controllable geometry and repeated alternating configurations. Here the authors develop a generic approach for fabricating twisted lateral homostructures with tunable crystal orientation, epitaxial constrain, and phase stability.

    • Ping-Chun Wu
    • , Chia-Chun Wei
    •  & Jan-Chi Yang

  • Article
    | Open Access

    Controlling the electric polarization in ferroelectric materials at room temperature is an important aspect in the design of novel ferroelectric-based devices. Simulations of a typical ferroelectric material now provide insights into why and how its ferroelectric polarization can be partially reversed.

    • Peng Chen
    • , Charles Paillard
    •  & Laurent Bellaiche

  • Article
    | Open Access

    Reducing the switching energy of ferroelectric films remains an important goal. Here, the authors elucidate the fundamental role of lattice dynamics in ferroelectric switching on both freestanding BiFeO3 membranes and films clamped to a substrate.

    • Qiwu Shi
    • , Eric Parsonnet
    •  & Ramamoorthy Ramesh

  • Article
    | Open Access

    Developing a single-phase self-rectifying memristor is desirable and functionally adaptive to dynamic environmental stimuli variations. Here, the authors report a single phase CuInP2S6 based memristor with continuously tunable current rectifying.

    • Xingan Jiang
    • , Xueyun Wang
    •  & Jiawang Hong

  • Article
    | Open Access

    Typically, magnetic phenomena result from the spontaneous order of the sublattices. Here, the cross-talk of two magnetic ions gives rise to an intrinsic, yet non-spontaneous ordering and manifests as emergent strong spin–phonon coupling in SmFeO3.

    • Mads C. Weber
    • , Mael Guennou
    •  & Jens Kreisel

  • Article
    | Open Access

    Large strain gradient is crucial for flexoelectricity. Here, the authors reveal the generality and tunability of large strain gradients at grain boundaries in oxides, explaining the possible effects on the electrical activities of ceramics.

    • Mei Wu
    • , Xiaowei Zhang
    •  & Peng Gao

  • Article
    | Open Access

    HfO2 is a promising ferroelectric material for applications in electronics but knowledge on its ferroic and electromechanical response properties is still lacking. Here, the authors demonstrate the peculiar piezoresponse of HfO2, predicting on how to reverse its sign by means of a biaxial strain.

    • Sangita Dutta
    • , Pratyush Buragohain
    •  & Jorge Íñiguez

  • Article
    | Open Access

    Long-distance magnon transport is highly desired for magnonics. Here, the authors demonstrate a millimetre-long magnon decay length in multiferroic heterostructures, which is attributed to magnon-polarons induced by the magnetoelastic coupling.

    • Jianyu Zhang
    • , Mingfeng Chen
    •  & Haiming Yu

  • Article
    | Open Access

    The reaction of a conductive ferroelectric matter to external electric field remains largely unknown. Here, the authors reveal the relationship between the electrically-driven crystalline domain transition along the multiple-polar directions and the resistance change.

    • Hui Bai
    • , Jinsong Wu
    •  & Xinfeng Tang

  • Article
    | Open Access

    Ferroelectric ordering of water has been at the heart of intense debates due to its importance in enhancing our understanding of the condensed matter. Here, the authors observe ferroelectric properties of water ice in a two dimensional phase under confinement between two graphene layers.

    • Hao-Ting Chin
    • , Jiri Klimes
    •  & Ya-Ping Hsieh

  • Article
    | Open Access

    The response of the electronic structure to the non-trivial polarization texture in PbTiO3/SrTiO3 superlattices has not been explored. Here, the authors reveal how the peaks of the spectra shift and change their local electronic structure depending on the position of the Ti cation.

    • Sandhya Susarla
    • , Pablo García-Fernández
    •  & Javier Junquera

  • Article
    | Open Access

    It is difficult to find magnetoelectric low-dimensional structures partly due to the lack of experimental techniques locally probing their physical nature. Here, the authors observe multiferroic ribbon-like domains in a non-multiferroic environment in MnWO4 by optical second harmonic generation.

    • Shingo Toyoda
    • , Manfred Fiebig
    •  & Naoki Ogawa

  • Article
    | Open Access

    While magnetism, hyperferroelectricity, and topological phases in the two-dimensional limit have been widely explored, the direct experimental study on bulk photovoltaic effect in 2D materials remains unimplemented. Here, the authors find bulk photovoltaic effect in 2D ferroelectric CuInP2S6.

    • Yue Li
    • , Jun Fu
    •  & Hualing Zeng

  • Article
    | Open Access

    An interest arises if energetic molecules and molecular ferroelectrics can be integrated together to obtain a chemically driven electricity conversion. Here, the authors explore energetic molecular ferroelectrics consisting of imidazolium cations and perchlorate anions with a high-power density.

    • Yong Hu
    • , Zhiyu Liu
    •  & Shenqiang Ren

  • Article
    | Open Access

    Toroidal moments arise from vortex like spin arrangements. These moments can then interact, giving rise to ferri- or ferro-toroidal order, though controlling such order is difficult. Here, the authors demonstrate a ferri-toroidal state in BaCoSiO4, which under an applied magnetic field exhibits multiple toroidal and metamagnetic transitions.

    • Lei Ding
    • , Xianghan Xu
    •  & Huibo Cao

  • 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

    Free carriers and electrical polarization coexist in ferroelectric metals. Here, the authors use a capacitive method to probe the electronic compressibility of free carriers in a tunable semimetal, extract the polarized contribution, and study the carrier dependence of the ferroelectric state.

    • Sergio C. de la Barrera
    • , Qingrui Cao
    •  & Benjamin M. Hunt

  • 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

    Compared to inorganic materials, the magnetoelectric coupling in macromolecules is still hidden. Here, the authors describe machine learning coupled with additive manufacturing to accelerate the discovery of multiferroic macromolecules with a proton-mediated magnetoelectric coupling effect.

    • Yong Hu
    • , Scott Broderick
    •  & Shenqiang Ren

  • Article
    | Open Access

    Ferroelectricity in orthoferrite perovskites has stimulated intense research, but the mechanism remains unclear. Here, the authors propose an antisite defect mechanism for introducing ferroelectricity in magnetically ordered YFeO3 and the family of rare earth orthoferrites.

    • Shuai Ning
    • , Abinash Kumar
    •  & Caroline A. Ross

  • Article
    | Open Access

    The observation of negative capacitance effect is focused on the ferroelectrics, while the antiferroelectrics based on Landau switches may have negative capacitance effect. Here, the authors report the static and transient negative capacitance effect in antiferroelectric PbZrO3 and reveal its origin.

    • Leilei Qiao
    • , Cheng Song
    •  & Feng Pan

  • Article
    | Open Access

    Conductive domain walls have been usually found in ferroelectric oxides. Here, the authors report on giant conductivity of domain walls and their magnetically avalanche-like expulsion event in non-oxide ferroelectric GaV4S8, extending the source of phenomena beyond the realm of oxide electronics.

    • S. Ghara
    • , K. Geirhos
    •  & I. Kézsmárki

  • Article
    | Open Access

    Ferroelasticity is predicted theoretically in 2D materials, but it lacks experimental validation. Here, the authors find 2D ferroelasticity in both exfoliated and CVD-grown β’-In2Se3 down to few-layer thickness by atomic-resolution electron microscopy, in situ X-ray diffraction, and polarized-light microscopy.

    • Chao Xu
    • , Jianfeng Mao
    •  & Ye Zhu

  • Article
    | Open Access

    Experimentally manipulating bubble domains remains elusive especially in the bulk form of ferroelectrics. Here, the authors achieve self-confined bubble domains with multiple polar topologies in bulk Bi0.5Na0.5TiO3 ferroelectrics, demonstrating reversible and donut-like domain morphology evolution.

    • Jie Yin
    • , Hongxiang Zong
    •  & Stephen J. Pennycook

  • Article
    | Open Access

    The intrinsic efficiency of electrocaloric materials has been largely overlooked. Here, the authors use the parameter materials efficiency as the figure of merit to rank caloric materials, reporting on the materials efficiency of highly ordered bulk lead scandium tantalate PST.

    • Youri Nouchokgwe
    • , Pierre Lheritier
    •  & Emmanuel Defay

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