Results 31 to 40 of about 121,443 (210)

Toward Zero‐Excess Alkali Metal Batteries: Bridging Experimental and Computational Insights

Advanced Materials, EarlyView.
This review explores zero‐excess alkali metal batteries, highlighting anode–electrolyte interfaces, metal nucleation, dendrite growth, and SEI formation while comparing Li, Na, and K metals. It critically examines electrolyte and separator roles, emphasizing substrate design, electrolyte modifications, interfacial engineering, and solid‐state ...
Pan He, Neubi Francisco Xavier Jr, Matthias Johannes Golomb, Yupei Han, Yuheng Du, Qiong Cai, Yang Xu   +6 more
wiley   +1 more source

Steklov Spectral Geometry for Extrinsic Shape Analysis

, 2018
We propose using the Dirichlet-to-Neumann operator as an extrinsic alternative to the Laplacian for spectral geometry processing and shape analysis.
Ben-Chen, Mirela, Polterovich, Iosif, Solomon, Justin, Wang, Yu   +3 more
core   +1 more source

Thermally Activated Swelling and Wetting Transition of Frozen Polymer Brushes:a New Concept for Surface Functionalization

Advanced Materials, EarlyView.
A novel approach is introduced that leverages polymer phase transitions to modulate brush behavior. The oleophilic bottle brush system exhibits two distinct melting transitions—bulk and surface—enabling a two‐stage swelling and wetting transition.
Luciana Buonaiuto, Sander Reuvekamp, Billura Shakhayeva, Enqing Liu, Franziska Neuhaus, Björn Braunschweig, Sissi de Beer, Frieder Mugele   +7 more
wiley   +1 more source

On the Minimization of Dirichlet Eigenvalues of the Laplace Operator [PDF]

Journal of Geometric Analysis, 2011
We study the variational problem $$\inf \{ _k( ): \textup{open in}\ \R^m,\ | | < \infty, \ \h(\partial ) \le 1 \},$$ where $ _k( )$ is the $k$'th eigenvalue of the Dirichlet Laplacian acting in $L^2( )$, $\h(\partial )$ is the $(m-1)$- dimensional Hausdorff measure of the boundary of $ $, and $| |$ is the Lebesgue measure of $ $. If $
M. Iversen, M. van den Berg
openaire   +3 more sources

Fabrication of Schiff Base Interfacial Films via Polyethyleneimine and Glutaraldehyde for pH‐Responsive Oil‐in‐Water High Internal Phase Emulsions

Advanced Materials Interfaces, EarlyView.
Due to the Schiff base reaction between polyethyleneimine and glutaraldehyde in the aqueous phase, a pH‐responsive interfacial film is constructed at the interface of the two immiscible phases. Consequently, both pH‐reversible high internal phase emulsions and pH‐controlled release capsules can be easily fabricated using this emulsion system.
Lei Sun, Fei Ye, WenHui Zhu, Wenrui Tan, Leixin Xiang, Yang Liu, Shiming Zhang   +6 more
wiley   +1 more source

Analysis and discretization of the volume penalized Laplace operator with Neumann boundary conditions

, 2014
We study the properties of an approximation of the Laplace operator with Neumann boundary conditions using volume penalization. For the one-dimensional Poisson equation we compute explicitly the exact solution of the penalized equation and quantify the ...
Kolomenskiy, Dmitry, Schneider, Kai, van yen, Romain Nguyen   +2 more
core   +3 more sources

Antifouling PEG Coatings by Thiol‐Acrylate Conjugate Addition Reactions for Generation of Protein Patterns via Photobleaching‐Induced Protein Binding (PiPB) BioBitmaps Using Maskless Projection Lithography

Advanced Materials Interfaces, EarlyView.
Homo‐bifunctional PEG, acrylate‐PEG‐acrylate (PEGDA), coatings are prepared on glass and glass‐type surfaces using solvent‐free thiol‐acrylate conjugate addition reactions at room temperature. The prepared PEGDA coatings are stable, antifouling, and provide feature terminal acrylates that can act as free radical acceptors for photobleaching‐induced ...
Ali Usama, Evelin Schäfer, Pang Zhu, Qingchuan Song, Alexander Weißbach, Dorothea Helmer, Joachim Wollschläger, Changjiang You, Martin Steinhart, Pegah Pezeshkpour, Peilong Hou, Bastian E. Rapp   +11 more
wiley   +1 more source

Drifted Laplace operators on homogeneous trees [PDF]

Proceedings of the American Mathematical Society, 2007
We determine the spectrum and the resolvent operator of a drifted Laplace operator on a homogeneous tree, obtaining qualitatively different results according to the sign of the drift in the direction of a boundary point.
CASADIO TARABUSI, Enrico, FIGA' TALAMANCA, Alessandro   +1 more
openaire   +4 more sources

Supramolecular Nanoarchitectonics of PNIPAAM‐co‐MA and Imogolite to Obtain Thermoresponsive Clay Nanotubes Through Complexation Mechanism

Advanced Materials Interfaces, EarlyView.
The selective adsorption of anionic poly(N‐isopropylacrylamide)‐co‐methacrylic (PNIPAAM‐co‐MA) onto the external surface of imogolite nanotubes is driven by electrostatic attractions. The copolymer coating affects the surface charge, aqueous diffusion and self‐assembling of imogolite.
Claire Hotton, Lorenzo Lisuzzo, Giuseppe Cavallaro, Erwan Paineau, Thomas Bizien, Giuseppe Lazzara   +5 more
wiley   +1 more source

On localisation of eigenfunctions of the Laplace operator

EMS Surveys in Mathematical Sciences
We prove (i) a simple sufficient geometric condition for localisation of a sequence of first Dirichlet eigenfunctions provided the corresponding Dirichlet Laplacians satisfy a uniform Hardy inequality and (ii) localisation of a sequence of first Dirichlet eigenfunctions for a wide class of elongating horn-shaped domains.
Michiel van den Berg, Dorin Bucur
openaire   +5 more sources