Articles with "energy barrier" as a keyword



Photo by ciwis from unsplash

Decreasing the O2‐to‐H2O2 Kinetic Energy Barrier on Dilute Binary Alloy Surfaces with Controlled Configurations of Isolated Active Atoms

Sign Up to like & get
recommendations!
Published in 2024 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202314281

Abstract: Shifting from the typical 4e– pathway to H2O in electrochemical oxygen reduction to the 2e– pathway to H2O2 is increasingly recognized as an environmentally friendly approach for producing H2O2. However, the competitive 4e− pathway is… read more here.

Keywords: energy barrier; h2o2; kinetic energy; dilute binary ... See more keywords

Disruption Symmetric Crystal Structure Favoring Photocatalytic CO2 Reduction: Reduced *COOH Formation Energy Barrier on Al Doped CuS/TiO2

Sign Up to like & get
recommendations!
Published in 2024 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202406549

Abstract: How to break the C═O bond and reduce the energy barrier of *COOH formation is the key to triggering the photocatalytic CO2 reduction (PCR) reaction and subsequent proton‐electron processes, which is as important as overcoming… read more here.

Keywords: energy barrier; co2; cus tio2;

Adaptable, Dynamic, and Superhydrophobic Standing‐Fiber Surface with Muti‐Level Energy Barrier for Anti‐Icing

Sign Up to like & get
recommendations!
Published in 2025 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202421174

Abstract: Passive deicing technologies achieved by dynamic superhydrophobic surfaces and slippery substances contribute to widely used anti‐icing. However, the constant status of microstructures cannot cater to the changing environment, meanwhile, the energy barrier needs to be… read more here.

Keywords: energy barrier; surface; standing fiber; fiber surface ... See more keywords

Geometry and energy barrier of martensite in the initial stage martensitic transformation in B19’ TiNi shape memory alloy

Sign Up to like & get
recommendations!
Published in 2020 at "Acta Materialia"

DOI: 10.1016/j.actamat.2020.09.060

Abstract: Abstract This study addresses the selectivity of self-accommodation microstructures in the initial stage of martensitic transformation in B19’ TiNi. It is known that specific habit plane variant (HPV) pairs, including { 11 1 ¯ }… read more here.

Keywords: energy barrier; initial stage; geometry;

Theoretical studies on oxygen vacancy migration energy barrier in the orthorhombic λ phase Ta2O5

Sign Up to like & get
recommendations!
Published in 2019 at "Computational Materials Science"

DOI: 10.1016/j.commatsci.2019.109148

Abstract: Abstract Although controversy over the crystal structure of Ta2O5 has been resolved by the recently discovered energetically favorable orthorhombic λ phase model, the studies on its material properties are in the beginning stage. Among such… read more here.

Keywords: energy barrier; migration energy; orthorhombic phase; oxygen vacancy ... See more keywords

Asymmetric energy barrier and mechanical diode effect from folding multi-stable stacked-origami

Sign Up to like & get
recommendations!
Published in 2017 at "Extreme Mechanics Letters"

DOI: 10.1016/j.eml.2017.09.008

Abstract: Abstract Origami, the ancient art of paper folding, has evolved into a design framework of a wide variety of engineering systems such as deployable structures and architected cellular materials. The fundamentally three-dimensional folding is not… read more here.

Keywords: energy barrier; diode effect;
Photo from wikipedia

Effect of Pd doping in (Fe/Ni)/CeO2 catalyst for the reaction path in CO2 oxidative ethane dehydrogenation/reforming

Sign Up to like & get
recommendations!
Published in 2021 at "Energy"

DOI: 10.1016/j.energy.2021.121261

Abstract: Abstract The catalytic reaction of C2H6 with CO2 provides an opportunity to use shale gas and the greenhouse gas as source materials to produce ethylene through oxidative dehydrogenation or produce syngas through dry reforming. In… read more here.

Keywords: energy barrier; co2; dehydrogenation; catalyst ... See more keywords

Energy barrier as a criterion for stability estimation of spherical shell under uniform external pressure

Sign Up to like & get
recommendations!
Published in 2017 at "International Journal of Solids and Structures"

DOI: 10.1016/j.ijsolstr.2017.04.026

Abstract: Abstract Energy perturbation is applied as a measure in the stability analysis of a spherical shell subjected to uniform external pressure. The energy barrier (buckling energy) is calculated using asymptotic method, which allows to estimate… read more here.

Keywords: energy barrier; energy; uniform external; spherical shell ... See more keywords

Steering the interlayer energy barrier and charge flow via bioriented transportation channels in g-C3N4: Enhanced photocatalysis and reaction mechanism

Sign Up to like & get
recommendations!
Published in 2017 at "Journal of Catalysis"

DOI: 10.1016/j.jcat.2017.05.017

Abstract: Abstract Even though graphitic carbon nitride (g-C 3 N 4 , CN for short) is ideal for photocatalysis, the inherent defects of a high interlayer energy barrier and low charge separation efficiency have limited the… read more here.

Keywords: transportation; energy barrier; interlayer energy; charge ... See more keywords
Photo from wikipedia

The effect of stress on the cross-slip energy in face-centered cubic metals: A study using dislocation dynamics simulations and line tension models

Sign Up to like & get
recommendations!
Published in 2021 at "Journal of The Mechanics and Physics of Solids"

DOI: 10.1016/j.jmps.2020.104281

Abstract: Abstract Dislocation dynamics simulations were used to calculate the energy barrier of cross-slip via Friedel–Escaig mechanism in face centered-cubic copper. The energy barrier in the unstressed case was found to be 1.9 eV, as reported… read more here.

Keywords: energy barrier; energy; stress; dislocation dynamics ... See more keywords

Improved rectification characteristics by engineering energy barrier height in TiOx-based RRAM

Sign Up to like & get
recommendations!
Published in 2021 at "Microelectronic Engineering"

DOI: 10.1016/j.mee.2020.111498

Abstract: Abstract Resistive random access memory (RRAM) is a strong candidate for next-generation memory. Despite its versatility, the sneak path current severely threatens accurate read operations, preventing RRAM from being expanded to high density array. To… read more here.

Keywords: tiox devices; rectification; barrier height; energy barrier ... See more keywords