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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Sasaki, Takayoshi
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (7/7 displayed)
- 2023Exfoliating layered zeolite MFI into unilamellar nanosheets in solution as precursors for the synthesis of hierarchical nanocomposites and oriented filmscitations
- 2023Mechanical nonreciprocity in a uniform composite materialcitations
- 2019Tunable mechanical and electrical properties of coaxial BN-C nanotubescitations
- 2019Intrinsic and defect-related elastic moduli of boron nitride nanotubes as revealed by in situ transmission electron microscopycitations
- 2018An Anisotropic Hydrogel Actuator Enabling Earthworm‐Like Directed Peristaltic Crawlingcitations
- 2018Extra‐Large Mechanical Anisotropy of a Hydrogel with Maximized Electrostatic Repulsion between Cofacially Aligned 2D Electrolytescitations
- 2017Low-temperature synthesis of high quality Ni-Fe layered double hydroxides hexagonal platelets
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article
Extra‐Large Mechanical Anisotropy of a Hydrogel with Maximized Electrostatic Repulsion between Cofacially Aligned 2D Electrolytes
Abstract
<jats:title>Abstract</jats:title><jats:p>In our previous work, we have shown that “electrostatic forces”, when generated anisotropically in aqueous media by 2D electrolytes upon cofacial orientation, enable the formation of a hydrogel with an anisotropic parameter, as defined by the ratio of elastic moduli <jats:italic>E</jats:italic><jats:sub>⊥</jats:sub>/<jats:italic>E</jats:italic><jats:sub>∥</jats:sub>, of 3.0. Herein, we successfully developed the design strategy for a hydrogel with an anisotropic parameter of no less than 85. This value is not only 28 times greater than that of our previous anisotropic hydrogel but also 6 times larger than the current champion record in synthetic hydrogels (<jats:italic>E</jats:italic><jats:sub>⊥</jats:sub>/<jats:italic>E</jats:italic><jats:sub>∥</jats:sub>∼15). Firstly, we simply lowered ionic contaminants in the hydrogel and were able to enhance the anisotropic parameter from 3.0 to 18. Then, we chose a supporting polymer network allowing the hydrogel to carry a higher interior permittivity. Consequently, the anisotropic parameter was further enhanced from 18 to 85. Owing to the enhanced mechanical anisotropy, our new hydrogel displayed a superb ability of seismic isolation.</jats:p>