Articles with "surface segregation" as a keyword



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Ternary LaNi4.75M0.25 hydrogen storage alloys: Surface segregation, hydrogen sorption and thermodynamic stability

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Published in 2019 at "International Journal of Hydrogen Energy"

DOI: 10.1016/j.ijhydene.2018.11.104

Abstract: Abstract Modification of compounds like LaNi5 toward ternary compositions change alloy hydrogen storage properties and influence resistance to hydrogen contamination. Below thermodynamic properties of ternary alloys LaNi4.75M0.25 are investigated with ab initio methods and synthesized… read more here.

Keywords: sorption; lani4 75m0; hydrogen sorption; hydrogen ... See more keywords
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Chemical ordering and surface segregation in Ni1-cPtc system: A theoretical study from the alloys to the nanoalloys

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Published in 2019 at "Results in Physics"

DOI: 10.1016/j.rinp.2019.102493

Abstract: Abstract Monte Carlo simulations within a Tight-Binding Ising Model (TBIM) have been performed on bulk, surfaces, and nanoclusters of Ni 1 - c Pt c alloys in order to describe and understand the competition between… read more here.

Keywords: surface segregation; segregation; chemical ordering; ordering surface ... See more keywords
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Pt surface segregation in L10-FePt nano-grains

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Published in 2017 at "Scripta Materialia"

DOI: 10.1016/j.scriptamat.2017.03.035

Abstract: The influence of the chemical compositions of FePt films on the surface segregations of Pt was investigated by cross-sectional high angle annular dark field (HAADF) scanning transmission electron microscopy (STEM) of L10-FePt granular films grown… read more here.

Keywords: fept nano; segregation l10; surface segregation; l10 fept ... See more keywords
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Omni-directional protected nanofiber membranes by surface segregation of PDMS-terminated triblock copolymer for high-efficiency oil/water emulsion separation.

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Published in 2020 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.0c05559

Abstract: An excellent antifouling membrane with high permeate flux is required for oil/water emulsion separation due to ever-increasing oily industrial wastewater. Thus, an intriguing integration of Omni-directional protected porous membrane that combines a high porosity nanofiber… read more here.

Keywords: nanofiber; separation; membrane; oil ... See more keywords
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Experimental and theoretical evidence for molecular forces driving surface segregation in photonic colloidal assemblies

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Published in 2019 at "Science Advances"

DOI: 10.1126/sciadv.aax1254

Abstract: Particle size and chemistry determine surface segregation in colloidal assemblies, leading to unique control of structural colors. Surface segregation in binary colloidal mixtures offers a simple way to control both surface and bulk properties without… read more here.

Keywords: surface; chemistry; surface segregation; colloidal assemblies ... See more keywords