Results 81 to 90 of about 78,397 (271)

Biomass Native Structure Into Functional Carbon‐Based Catalysts for Fenton‐Like Reactions

Advanced Functional Materials, EarlyView.
This study indicates that eight biomasses with 2D flaky and 1D acicular structures influence surface O types, morphology, defects, N doping, sp2 C, and Co nanoparticles loading in three series of carbon, N‐doped carbon, and cobalt/graphitic carbon. This work identifies how these structural factors impact catalytic pathways, enhancing selective electron
Wenjie Tian, Jingkai Lin, Zhihao Tian, Selusiwe Ncube, Huayang Zhang, Emiliano Cortés, Hongqi Sun, Shaobin Wang   +7 more
wiley   +1 more source

Photoswitching Conduction in Framework Materials

Advanced Functional Materials, EarlyView.
This mini‐review summarizes recent advances in state‐of‐the‐art proton and electron conduction in framework materials that can be remotely and reversibly switched on and off by light. It discusses the various photoswitching conduction mechanisms and the strategies employed to enhance photoswitched conductivity.
Helmy Pacheco Hernandez, Stefan Hecht, Wolfgang Wenzel, Lars Heinke, Mariana Kozlowska   +4 more
wiley   +1 more source

Microporous Microgel Assemblies Facilitating the Recruitment and Osteogenic Differentiation of Progenitor Cells for Bone Regeneration

Advanced Functional Materials, EarlyView.
There is a significant need for biomaterials with well‐defined stability and bioactivity to support tissue regeneration. In this study, we developed a tunable microgel platform that enables the decoupling of stiffness from porosity, thereby promoting bone regeneration.
Silvia Pravato, Haishuo Guan, Bianca M. Carrara, Mira Jacobs, Matteo Monticelli, Lukas Moser, Thomas Moragues, Andrew J. deMello, Tomaso Zambelli, Martin Ehrbar   +9 more
wiley   +1 more source

Microstructure and Comprehensive Properties of Chromium Coatings Prepared by Periodic Electrodeposition [PDF]

Cailiao Baohu
In order to ensure that the basic properties of chromium coatings，such as hardness and adhesion，meet product requirements，to enhance the corrosion resistance of chromium-plated parts，to shorten the crack length of the chromium layer at the source，and to ...
LIN Qiao, CHENG Hepeng, LUO Jinshan, CHEN Duanjie, HUANG Yi, LIU Huai, LIN Bo, FU Wenliang, ZHANG Longjian, YANG Dongju
doaj   +1 more source

Elastic moduli of model random three-dimensional closed-cell cellular solids

, 2000
Most cellular solids are random materials, while practically all theoretical results are for periodic models. To be able to generate theoretical results for random models, the finite element method (FEM) was used to study the elastic properties of solids
A.P. Roberts, Baxter, Berk, Chan, Christensen, Christensen, Cook, E.J. Garboczi, Garboczi, Garboczi, Gibson, Gibson, Green, Grenestedt, Grenestedt, Grenestedt, Hashin, Hashin, Mills, Milton, Morgan, Renz, Roberts, Roberts, Roberts, Roberts, Silva, Silva, Simone, Stoyan, Torquato, Van der Burg, Walsh, Weaire, Zwissler   +34 more
core   +1 more source

Backbone Heterojunction Photocatalysts for Efficient Sacrificial Hydrogen Production

Advanced Functional Materials, EarlyView.
Herein, a ‘single‐component’ organic semiconductor photocatalyst is presented in which a molecular donor is bonded to a polymer acceptor. The resultant material demonstrates exceptional photocatalytic activity for hydrogen evolution in aqueous triethylamine with an outstanding external quantum efficiency of 38% at 420 nm.
Richard J. Lyons, Rhys J. Bourhill, Ewan McQueen, Sam D. Harding, Krzysztof Pawlak, Thomas Fellowes, Harry W. Capps, Alexander J. Cowan, Andrew I. Cooper, Adrian M. Gardner, Martijn A. Zwijnenburg, Reiner Sebastian Sprick   +11 more
wiley   +1 more source

Laser powder bed fusion of Ti–6Al–4V: In-situ rolling for microstructure modification and grain refinement

Journal of Materials Research and Technology
Laser additive manufacturing is known for high geometrical freedom, high cooling rates and fine microstructures with high performance properties. Regarding Ti–6Al–4V, often a strong microstructural texture results with mostly undesired anisotropic ...
Mika León Altmann, Florian Eibl, Gianluca Pirro, Nicole Mensching, Daniel Knoop, Daniel Meyer, Anastasiya Toenjes   +6 more
doaj   +1 more source

Direct method-based statistical limit analysis of wc-co composites [PDF]

, 2013
In this paper, a direct method-based prediction of load-bearing capacity of nonperiodic WC-Co composites is presented. The main goal is to generalize the methodology of limit analysis on periodic heterogeneous media to materials with random ...
Chen, Geng, Hachemi, Abdelkader, Weichert, Dieter   +2 more
core  

Surface Effects in Magnetic Microtraps

, 2002
We have investigated Bose-Einstein condensates and ultra cold atoms in the vicinity of a surface of a magnetic microtrap. The atoms are prepared along copper conductors at distances to the surface between 300 um and 20 um.
A. Günther, A.E. Leanhardt, B.P. Anderson, C. Henkel, C. Zimmermann, D. Cassettari, D. Müller, E.A. Burt, F.S. Cataliotti, H. Ott, H. Ott, J. Fortágh, J. Fortágh, J. Fortágh, J. Fortágh, J. Reichel, J.D. Weinstein, J.E. Hirsch, M. Greiner, M. Greiner, M. Key, M.R. Andrews, N.H. Dekker, S. Kraft, V. Vuletić, W. Hänsel   +25 more
core   +1 more source

Magnetoactive elastomers with periodic and random microstructures

International Journal of Solids and Structures, 2014
AbstractWe investigate the behavior of magnetoactive elastomers (MAEs) with periodic and random distributions of circular and elliptical fibers. For the MAEs with periodic microstructures, we develop finite element models and determine the local fields as well as the effective properties of MAEs with rectangular and quasi-hexagonal unit cells.
Galipeau, Evan, Rudykh, Stephan, deBotton, Gal, Ponte Castañeda, Pedro   +3 more
openaire   +1 more source