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Article
Open AccessArtificial Intelligence for the Electron Ion Collider (AI4EIC)
The Electron-Ion Collider (EIC), a state-of-the-art facility for studying the strong force, is expected to begin commissioning its first experiments in 2028. This is an opportune time for artificial intelligen...
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Article
Open AccessProton and molecular permeation through the basal plane of monolayer graphene oxide
Two-dimensional (2D) materials offer a prospect of membranes that combine negligible gas permeability with high proton conductivity and could outperform the existing proton exchange membranes used in various a...
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Article
Adsorption of salicylic acid on modified active carbon from an aqueous medium
The adsorption of salicylic acid on active carbon samples containing iron compounds that endow the carbons with magnetic properties was studied. These properties markedly facilitate the phase separation proces...
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Article
pH-dependent water permeability switching and its memory in MoS2 membranes
Intelligent transport of molecular species across different barriers is critical for various biological functions and is achieved through the unique properties of biological membranes1–4. Two essential features o...
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Article
Limits on gas impermeability of graphene
Despite being only one-atom thick, defect-free graphene is considered to be completely impermeable to all gases and liquids1–10. This conclusion is based on theory3–8 and supported by experiments1,9,10 that could...
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Article
Open AccessCation-controlled wetting properties of vermiculite membranes and its promise for fouling resistant oil–water separation
Manipulating the surface energy, and thereby the wetting properties of solids, has promise for various physical, chemical, biological and industrial processes. Typically, this is achieved by either chemical mo...
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Article
Diversity of marine and brackish water nitrite-oxidizing consortia developed for activating nitrifying bioreactors in aquaculture
Nitrite is a well-known toxicant in aquaculture, produced as intermediate in nitrification. Two nitrite-oxidizing bacterial consortia, one from marine environment and the other from brackish water, were develo...
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Article
Electrically controlled water permeation through graphene oxide membranes
Controlled transport of water molecules through membranes and capillaries is important in areas as diverse as water purification and healthcare technologies1–7. Previous attempts to control water permeation throu...
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Article
Ultrathin graphene-based membrane with precise molecular sieving and ultrafast solvent permeation
Highly laminar graphene oxide flakes (10 to 20 μm in diameter) are fabricated. Reducing flake thickness to 10 nm enables water and organic solvent permeation, enabling the flakes to act as a highly effective o...
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Article
Open AccessDependence of the shape of graphene nanobubbles on trapped substance
Van der Waals (vdW) interaction between two-dimensional crystals (2D) can trap substances in high pressurized (of order 1 GPa) on nanobubbles. Increasing the adhesion between the 2D crystals further enhances t...
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Article
Open AccessVan der Waals pressure and its effect on trapped interlayer molecules
Van der Waals assembly of two-dimensional crystals continue attract intense interest due to the prospect of designing novel materials with on-demand properties. One of the unique features of this technology is...
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Article
Open AccessSuperconductivity in Ca-doped graphene laminates
Despite graphene’s long list of exceptional electronic properties and many theoretical predictions regarding the possibility of superconductivity in graphene, its direct and unambiguous experimental observatio...
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Article
Square ice in graphene nanocapillaries
The structure of the low-dimensional water confined in hydrophobic pores is shown, using electron microscopy and supported by molecular dynamics simulations, to be ‘square ice’, which does not have the convent...
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Article
Proton transport through one-atom-thick crystals
Measurements show that monolayers of graphene and hexagonal boron nitride are unexpectedly highly permeable to thermal protons and that their conductivity rapidly increases with temperature, but that no proton...
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Article
Impermeable barrier films and protective coatings based on reduced graphene oxide
Flexible barrier films preventing permeation of gases and moistures are important for many industries ranging from food to medical and from chemical to electronic. From this perspective, graphene has recently ...
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Article
Ultrafast collinear scattering and carrier multiplication in graphene
Graphene is emerging as a viable alternative to conventional optoelectronic, plasmonic and nanophotonic materials. The interaction of light with charge carriers creates an out-of-equilibrium distribution, whic...
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Article
Dual origin of defect magnetism in graphene and its reversible switching by molecular do**
Control of magnetism by applied voltage is desirable for spintronics applications. Finding a suitable material remains an elusive goal, with only a few candidates found so far. Graphene is one of them and attr...
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Chapter
Reclamation of Degraded Vertisols Under Cassava in Arid Environments of India
A major portion of the area under cassava in India is under irrigated Vertisols, and the farmers face a number of soil-related constraints which significantly reduce the tuberous root yield of cassava. In orde...
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Article
Spin-half paramagnetism in graphene induced by point defects
The presence, or otherwise, of magnetism in graphene has been the subject of much debate. A systematic study of point defects—a widely suggested source of ferromagnetism in graphene—suggests that although they...
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Chapter and Conference Paper
Optics of Flat Carbon – Spectroscopic Ellipsometry of Graphene Flakes
We present ellipsometric spectra of a graphene flake placed on a surface of oxidized silicon wafer. Our measurements demonstrate that spectroscopic ellipsometry can be successfully used to count the number of ...
