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| Open AccessTwisted-layer boron nitride ceramic with high deformability and strength
A bulk ceramic composed of interlocked boron nitride nanoplates with a laminated structure of twist-stacked nanoslices is created using hot-pressing and spark plasma sintering, which exhibits large elastic and plastic deformability and high strength at room temperature.
- Yingju Wu
- , Yang Zhang
- & Yongjun Tian
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Article
| Open AccessDisordered enthalpy–entropy descriptor for high-entropy ceramics discovery
DEED captures the balance between entropy gains and costs, allowing the correct classification of functional synthesizability of multicomponent ceramics, regardless of chemistry and structure, and provides an array of potential new candidates, ripe for experimental discoveries.
- Simon Divilov
- , Hagen Eckert
- & Stefano Curtarolo
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A stable atmospheric-pressure plasma for extreme-temperature synthesis
A plasma set-up consisting of a pair of carbon-fibre-tip-enhanced electrodes enables the generation of a uniform, ultra-high temperature and stable plasma (up to 8,000 K) at atmospheric pressure using a combination of vertically oriented long and short carbon fibres.
- Hua Xie
- , Ning Liu
- & Liangbing Hu
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Low-hysteresis shape-memory ceramics designed by multimode modelling
Combining computational thermodynamics and data science tools with lattice engineering enables the design of shape-memory ceramics with reduced hysteresis.
- Edward L. Pang
- , Gregory B. Olson
- & Christopher A. Schuh
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Atomically engineered interfaces yield extraordinary electrostriction
A system consisting of alternating thin films of two dielectrics is used to produce greatly enhanced electrostriction derived from coherent strain imparted by interfacial lattice discontinuity.
- Haiwu Zhang
- , Nini Pryds
- & Vincenzo Esposito
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Article
| Open AccessHypocrystalline ceramic aerogels for thermal insulation at extreme conditions
Hypocrystalline ceramic aerogels with a zig-zag architecture show high thermal stability under thermal shock and exposure to high temperature, providing a reliable material system for thermal insulation at extreme conditions.
- Jingran Guo
- , Shubin Fu
- & Xiangfeng Duan
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Exploding and weeping ceramics
A study demonstrates that a range of different behaviours—from reversible, through weeping, to explosive—can be exhibited by a chemically homogeneous ceramic system by manipulating conditions of compatibility in unusual ways.
- Hanlin Gu
- , Jascha Rohmer
- & Richard D. James
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Letter |
Ceramic–metal composites for heat exchangers in concentrated solar power plants
A robust ceramic/refractory metal (ZrC/W)-based composite for use in heat exchangers in concentrated solar power plants above 1,023 kelvin is described, having attractive high-temperature thermal, mechanical and chemical properties combined with cost-effective processing.
- M. Caccia
- , M. Tabandeh-Khorshid
- & K. H. Sandhage
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Intrinsic ferroelectric switching from first principles
Molecular dynamics simulations of 90° domain walls in PbTiO3 are used to construct a nucleation-and-growth-based analytical model that quantifies the dynamics of many types of domain walls in various ferroelectrics, suggesting intrinsic domain-wall motion as a universal mechanism for ferroelectric switching.
- Shi Liu
- , Ilya Grinberg
- & Andrew M. Rappe