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Conducting polymer dendrite (CPD) morphogenesis is an electrochemical process that unlocks the potential to implement in materio evolving intelligence in electrical systems: As an electronic device experiences transient voltages in an…

Metal-film dielectric capacitors provide lump portions of energy on demand. While the capacities of various capacitor designs are comparable in magnitude, their stabilities make a difference. Dielectric breakdowns - micro-discharges -…

应用物理 · 物理学 2024-11-11 Nadezhda A. Andreeva , Vitaly V. Chaban

Self-organization of hydrogen bubbles generated by laser-treated areas of an aluminum plate etched in a basic aqueous solution of ammonia is studied experimentally and theoretically. A dynamics of establishment of stationary pattern of gas…

流体动力学 · 物理学 2012-09-28 N. A. Kirichenko , E. V. Barmina , P. G. Kuzmin , G. A. Shafeev

Active materials take advantage of their internal sources of energy to self-organize in an automated manner. This feature provides a novel opportunity to design micron-scale machines with minimal required control. However, self-organization…

软凝聚态物质 · 物理学 2021-01-22 Zijie Qu , Jialong Jiang , Heun Jin Lee , Rob Phillips , Shahriar Shadkhoo , Matt Thomson

The control of nonlinear processes and possible transitions to chaos in systems of interacting particles is a fundamental physical problem. We propose a new nonuniform solid-state plasma system, produced by the optical injection of current…

介观与纳米尺度物理 · 物理学 2015-05-14 E. Ya. Sherman , R. M. Abrarov , J. E. Sipe

Self-assembly is the autonomous organization of components into patterns or structures: an essential ingredient of biology and a desired route to complex organization. At equilibrium, the structure is encoded through specific interactions,…

软凝聚态物质 · 物理学 2018-10-03 Antoine Aubret , Mena Youssef , Stefano Sacanna , Jérémie Palacci

In electrochemical systems, an understanding of the underlying transport processes is required to aid in their better design. This includes knowledge of possible near-electrode convective mixing that can enhance measured currents. Here, for…

流体动力学 · 物理学 2021-09-15 Nakul Pande , Jeffery A. Wood , Guido Mul , Detlef Lohse , Bastian T. Mei , Dominik Krug

We develop a semi-analytical model of self-diffusioosmotic transport in active pores, which includes advective transport and the inverse chemical reaction which consumes solute. In previous work (Phys. Rev. Lett. 129, 188003, 2022), we have…

软凝聚态物质 · 物理学 2024-02-23 G. C. Antunes , P. Malgaretti , J. Harting

Self-assembled semiconductor quantum dot is a new type of artificially designed and grown function material which exhibits quantum size effect, quantum interference effect, surface effect, quantum tunneling-Coulumb-blockade effect and…

介观与纳米尺度物理 · 物理学 2007-12-07 Jie Sun , Peng Jin , Zhanguo Wang

Characterising charge transport in a material is central to the understanding of its electrical properties, and can usually only be inferred from bulk measurements of derived quantities such as current flow. Establishing connections between…

A self-consistent model of bipolar charge-carrier injection and transport processes in a semiconductor/insulator/conductor system is developed which incorporates space-charge effects in the description of the injection process. The amount…

材料科学 · 物理学 2008-11-27 S. V. Yampolskii , Yu. A. Genenko , C. Melzer , K. Stegmaier , H. von Seggern

Current-induced bond rupture is a fundamental process in nanoelectronic architectures such as molecular junctions and in scanning tunneling microscopy measurements of molecules at surfaces. The understanding of the underlying mechanisms is…

介观与纳米尺度物理 · 物理学 2023-07-26 Yaling Ke , Jan Dvořák , Martin Čížek , Raffaele Borrelli , Michael Thoss

We propose a simple model of self-propelled particles to show that coherent structures, such as jets and swirls, can arise from a plausible microscopic mechanisms: (i) the elongated shape of the self-propelled particles with (ii) the…

软凝聚态物质 · 物理学 2009-11-13 Nicholas Sambelashvili , A. W. C. Lau , David Cai

The electromagnetic modes and the resonances of homogeneous, finite size, two-dimensional bodies are examined in the frequency domain by a rigorous full wave approach based on an integro-differential formulation of the electromagnetic…

介观与纳米尺度物理 · 物理学 2019-05-22 Carlo Forestiere , Giovanni Gravina , Giovanni Miano , Mariano Pascale , Roberto Tricarico

Chemical looping water splitting systems operate at relatively high temperatures (450-800 degree C) to produce, purify, or store hydrogen by the cyclic reduction and oxidation (redox) of a solid oxygen carrier. Therefore, to improve…

材料科学 · 物理学 2021-06-15 P. J. LLoreda-Jurado , Jesus Hernandez-Saz , E. Chicardi , A. Paul , R. Sepulveda

Mineral dissolution in porous media is classically partitioned into static regimes within the Pe-Da plane, but this framework fails to capture the dissolution behavior of structurally complex rocks. Using three-dimensional micro-continuum…

流体动力学 · 物理学 2026-05-19 Jinlei Wang , Yongfei Yang , Martin J. Blunt , Branko Bijeljic

Spontaneous symmetry breaking and formation of self-organized structures in nonlinear systems are intriguing and important phenomena in nature. Advancing such research to new nonlinear optical regimes is of much interest for both…

光学 · 物理学 2020-08-19 Zeyun Shi , Weibin Li , Guoxiang Huang

We report the first experimental observation of discrete time-crystal phases and crystallites in an actively mode-locked semiconductor laser. By tuning either the bias current or the modulation frequency, the system undergoes a spontaneous…

In this article we propose and numerically implement a mathematical model for the simulation of three-dimensional semiconductor devices characterized by an heterogeneous material structure. The model consists of a system of nonlinearly…

数值分析 · 数学 2013-07-12 A. Mauri , R. Sacco , M. Verri

Modern electron linear accelerators are often designed to produce smooth bunch distributions characterized by their macroscopic ensemble-average moments. However, an increasing number of accelerator applications call for finer control over…

加速器物理 · 物理学 2022-06-15 G. Ha , K. -J. Kim , P. Piot , J. G. Power , Y. Sun