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News & Views |
Seriously non-thermal thermodynamics
Non-equilibrium thermodynamics describes activity-stabilized mixed states in complex active-matter systems.
- Tian Huang
- , Qi Pan
- & Steve Granick
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Article |
Controlling liquid–liquid phase behaviour with an active fluid
The rational design of out-of-equilibrium demixing transitions remains challenging. Active fluids are used to control the liquid–liquid phase separation of passive DNA nanostars and establish the activity-based control of the phase diagram.
- Alexandra M. Tayar
- , Fernando Caballero
- & Zvonimir Dogic
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Article
| Open AccessLight-induced hexatic state in a layered quantum material
The authors report the emergence of a transient hexatic state during laser-induced transformation between two charge-density wave (CDW) phases in a thin film of the CDW material 1T-TaS2.
- Till Domröse
- , Thomas Danz
- & Claus Ropers
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Letter
| Open AccessPicophotonic localization metrology beyond thermal fluctuations
The authors report subatomic precision in measuring the displacement of a nanowire. Such precision is achieved by employing deep-learning enabled analysis of single-shot scattering of topologically structured superoscillatory illumination.
- Tongjun Liu
- , Cheng-Hung Chi
- & Nikolay I. Zheludev
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Article |
Defect-driven anomalous transport in fast-ion conducting solid electrolytes
Solid-state ionic conduction is a key enabler of electrochemical energy storage and conversion. A quantitative framework for ionic conduction between atomistic and macroscopic timescales in β- and β″-aluminas is now proposed for ‘atoms-to-device’ multiscale modelling and optimization.
- Andrey D. Poletayev
- , James A. Dawson
- & Aaron M. Lindenberg
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Article |
Achieving adjustable elasticity with non-affine to affine transition
A non-affine to affine transition in elasticity occurs with the change of system topology in a packing-derived network, which enables the tuning of elastic moduli and Poisson’s ratio.
- Xiangying Shen
- , Chenchao Fang
- & Lei Xu
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Review Article |
From predictive modelling to machine learning and reverse engineering of colloidal self-assembly
This Review provides an overview of computational tools and strategies, from simulation methods to machine learning and reverse-engineering approaches, used for the design of soft materials made from self-assembling colloids and nanoparticles.
- Marjolein Dijkstra
- & Erik Luijten
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Letter |
AC Josephson effect between two superfluid time crystals
Two adjacent quantum time crystals implemented by two magnon condensates in the superfluid B-phase of helium-3 are observed to coherently exchange magnons as a manifestation of the AC Josephson effect, offering insights on the dynamics and interactions between these phases of matter.
- S. Autti
- , P. J. Heikkinen
- & V. B. Eltsov
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Letter |
Mechanically activated ionic transport across single-digit carbon nanotubes
Carbon nanotubes with 2 nm channel radius are shown to display pressure-driven ionic currents, which share some similarities to the response of biological mechanosensitive ion channels to tension.
- Alice Marcotte
- , Timothée Mouterde
- & Lydéric Bocquet
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Comment |
Nanofluidics coming of age
This is a turning point for nanofluidics. Recent progress allows envisioning both fundamental discoveries for the transport of fluids at the ultimate scales, and disruptive technologies for the water–energy nexus.
- Lydéric Bocquet
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Article |
Programming shape using kirigami tessellations
Geometric analysis and constrained optimization algorithms allow for the design of kirigami patterns that can be deployed into any two- or three-dimensional shape.
- Gary P. T. Choi
- , Levi H. Dudte
- & L. Mahadevan
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Article |
Thermal meta-device in analogue of zero-index photonics
In this type of thermal cloak, when a fluid circulates around the object of interest, the temperature perturbation is minimized as the effective thermal conductivity of the fluid becomes very high due to convective effects.
- Ying Li
- , Ke-Jia Zhu
- & C.-W. Qiu
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Letter |
Motorizing fibres with geometric zero-energy modes
Active rotational motion of pre-strained materials is achieved by elastic deformations that break rotational symmetry around their axes.
- Arthur Baumann
- , Antoni Sánchez-Ferrer
- & Igor M. Kulić
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Article |
Formation of porous crystals via viscoelastic phase separation
Viscoelastic phase separation of colloidal suspensions can be interrupted to form gels either by glass transition or crystallization. A kinetic pathway to spontaneously form network or porous structures made of metallic and semiconducting crystals is proposed.
- Hideyo Tsurusawa
- , John Russo
- & Hajime Tanaka
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Letter |
Observation of Aubry-type transition in finite atom chains via friction
The transition from superlubricity to stick–slip behaviour of a chain of atoms on a periodic surface has now been directly studied experimentally, related to the Aubry transition.
- Alexei Bylinskii
- , Dorian Gangloff
- & Vladan Vuletić
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Article |
Thermodynamics of the hybrid interaction of hydrogen with palladium nanoparticles
The absorption and desorption mechanism of hydrogen in palladium nanoparticles is complex. Based on thermodynamic considerations a mechanism consistent with an interfacial model different from bulk Pd behaviour is now proposed.
- Ronald Griessen
- , Nikolai Strohfeldt
- & Harald Giessen
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Editorial |
Assembling insight
Model colloidal systems are a testbed for understanding aspects of the organization of matter.
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News & Views |
A switch for phase shifting
Temperature can switch the thermodynamic phase of colloid–polymer mixtures by tipping the balance between competing attractive interactions induced by polymer depletion or adsorption.
- Ah-Young Jee
- , Boyce Tsang
- & Steve Granick
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News & Views |
Assembled with one component
Computer simulations of one-component three-dimensional icosahedral quasicrystals will help to understand the mechanisms that may stabilize them in experiments.
- Marc de Boissieu
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News & Views |
Reversible actuation
Janus ellipsoids self-assemble into self-limiting fibres that can be reversibly actuated by applying an electric field.
- Eric M. Furst
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News & Views |
Mediated by a liquid
The nucleation of a crystal within another can involve intermediate liquid nuclei.
- Eduardo Sanz
- & Chantal Valeriani
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Commentary |
Order through entropy
Understanding entropic contributions to common ordering transitions is essential for the design of self-assembling systems with addressable complexity.
- Daan Frenkel
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Commentary |
Programmable self-assembly
Two conceptual strategies for encoding information into self-assembling building blocks highlight opportunities and challenges in the realization of programmable colloidal nanostructures.
- Ludovico Cademartiri
- & Kyle J. M. Bishop
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Letter |
Self-similar mesostructure evolution of the growing mollusc shell reminiscent of thermodynamically driven grain growth
The morphology and mesostructure of the prismatic layer of a growing mollusc shell is observed by means of high-resolution synchrotron-based tomography and is shown to be fully predicted by classical theories of normal grain growth.
- Bernd Bayerlein
- , Paul Zaslansky
- & Igor Zlotnikov
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Editorial |
Debated waters
New experiments and computer simulations on how water behaves when it is supercooled are poised to rekindle long-standing debates.
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News & Views |
Two phases?
Simulations of a well-studied model of water provide strong support for the coexistence of two distinct metastable liquid-water phases, a long-debated possibility that experiments on supercooled water at negative pressures may be able to confirm.
- C. Austen Angell
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News & Views |
Zeroing in on ice
Computer simulations show that cubic and hexagonal ices nucleate through the formation of a tetragonal metastable ice phase.
- Ben Slater
- & David Quigley
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News & Views |
Continuous trends
X-ray scattering measurements of liquid water down to temperatures at which it spontaneously converts to ice show no signs of the much debated transition from high-density to low-density structural order.
- Alan K. Soper
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Letter |
Electrostatic control of block copolymer morphology
Block copolymers can self-assemble into nanostructures that simultaneously facilitate ion transport and provide mechanical stability. Highly asymmetric charge cohesion effects are now shown to induce the formation of nanostructures with percolated phases desired for ion transport. This strategy could lead to the design of enhanced battery electrolyte materials.
- Charles E. Sing
- , Jos W. Zwanikken
- & Monica Olvera de la Cruz
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News & Views |
Order at the interface
Discrepancies in the glass-forming ability of metallic glasses have been explained in terms of the presence of local structural features in the liquid. Findings from molecular dynamics simulations now show that the structure of the crystal/liquid interface may play a bigger role than previously thought.
- K. F. Kelton