Results 111 to 120 of about 9,215,429 (289)

On Non-Linear Differential Systems with Mixed Boundary Conditions

open access: yesAxioms
For the constructive analysis of locally Lipschitzian system of non-linear differential equations with mixed periodic and two-point non-linear boundary conditions, a numerical-analytic approach is developed, which allows one to study the solvability and ...
Miklós Rontó
doaj   +1 more source

Monolithic Oxidation Enables Ultrathin Vertically Graded Tantalum Oxide for Low‐Voltage, Low‐Variability Memristive Switching

open access: yesAdvanced Functional Materials, EarlyView.
Monolithic UV‐ozone oxidation of Ta forms an ultrathin Ta2O5/TaOx bilayer enabling resistive switching with a vertical defect gradient. A stoichiometric surface layer over an oxygen‐deficient sublayer promotes localized filament nucleation near the top interface, enabling low‐voltage operation, and reduced cycle‐to‐cycle variability.
Seunghoon Yang   +11 more
wiley   +1 more source

Bio‐Derived Polyelectrolyte Additive–Induced Interfacial Ion‐Diffusion Barriers for Nonvolatile Organic Artificial Synapses

open access: yesAdvanced Functional Materials, EarlyView.
Sodium alginate regulates interfacial ion transport and retention in electrolyte‐gated synaptic transistors. The carboxylate‐rich polymeric network forms a dynamic interfacial ion‐diffusion barrier that facilitates ion injection during programming while suppressing ion back‐diffusion, thereby stabilizing the electrochemically doped channel state.
Chaeyeon Han   +6 more
wiley   +1 more source

Boundary value problems for functional-differential equations with nonlinear boundary conditions [PDF]

open access: yes, 1998
summary:This paper is concerned with the existence of solutions for some class of functional integrodifferential equations via Leray-Schauder Alternative.
Tsamatos, P. Ch.
core   +1 more source

Operando Tracking of Oxygen‐Vacancy Dynamics and Negative Capacitance in Ca‐Doped BiFeO3

open access: yesAdvanced Functional Materials, EarlyView.
Operando electrochemical impedance spectroscopy, combined with electrocoloration, enables a direct correlation between real‐space ionic redistribution and the corresponding frequency‐domain electrical response. In lateral Ca‐doped BiFeO3 devices, time‐resolved impedance snapshots capture the evolution from bulk‐dominated mixed conduction to an ...
Jeonghun Suh   +3 more
wiley   +1 more source

Nonlinear discrete systems with global boundary conditions

open access: yesJournal of Mathematical Analysis and Applications, 2003
The author studies the existence of \(l_\infty-\)solutions of nonlinear boundary value problems of the form \(x(k+1)=f(k,x(k))+h(k)\), \(k=0, 1, 2, \ldots\) subject to the global conditions \[ \sum_{k=0}^{\infty}{g(k,x(k))}=y. \] Here \(f: {\mathbb R}^{n+1} \to {\mathbb R}^{n}\) and \(g: {\mathbb R}^{n+1} \to {\mathbb R}^{p}\) are smooth functions, \(h
openaire   +2 more sources

Functionalizing Micro‐to‐Mesoscopic Electrode Architectures for Regulating Electron Transfer Behaviors in Electrocatalysis

open access: yesAdvanced Functional Materials, EarlyView.
A systematic review is conducted to assess the influence of electrode architecture across micro‐ to mesoscopic length scales on electron‐transfer pathways in electrocatalysis. We discuss the structure‐activity relationships in electrocatalytic applications, including resource recovery and environmental remediation, and provide cost‐effective, efficient
Manshu Zhao   +6 more
wiley   +1 more source

COMPUTING CONTINUOUS-TIME GROWTH MODELS WITH BOUNDARY CONDITIONS VIA WAVELETS [PDF]

open access: yes
This paper presents an algorithm for approximating the solution of deterministic/stochastic continuous-time growth models based on the Euler's equation and the transversality conditions.
Mercedes Esteban-Bravo   +1 more
core  

Asymptotic behavior of solutions to nonlinear parabolic equation with nonlinear boundary conditions

open access: yesElectronic Journal of Differential Equations, 2008
We show that solutions of a nonlinear parabolic equation of second order with nonlinear boundary conditions approach zero as t approaches infinity. Also, under additional assumptions, the solutions behave as a function determined here.
Diabate Nabongo, Theodore K. Boni
doaj  

Laplace problem with an exponential nonlinear boundary condition

open access: yes
In this paper, we establish a new result for the Laplace problem with exponential Robin boundary conditions posed on the unit disk in $\R^2$. More precisely, we prove the existence and uniqueness of a solution under suitable smallness assumptions on the boundary data.
Benameur, Jamel   +2 more
openaire   +2 more sources

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