Results 31 to 40 of about 19,096 (290)

A frequency-domain micromagnetic simulation module based on COMSOL Multiphysics

open access: yesAIP Advances, 2023
Micromagnetic simulation is a numerical method to solve the Landau–Lifshitz–Gilbert (LLG) equation for magnetic dynamics. Most of the mainstream micromagnetic simulation packages, including the object oriented micromagnetic framework and MuMax3, perform ...
Jiabin Zhang   +3 more
doaj   +1 more source

Electrically Tunable On‐Chip Topological Photonics with Integrated Carbon Nanotubes

open access: yesAdvanced Functional Materials, EarlyView.
This work demonstrates electrically tunable on‐chip topological THz devices by integrating 2D carbon nanotube (CNT) sheets with valley‐Hall photonic crystals, enabling broadband transmission modulation (71% modulation depth) and tunable narrowband filtering (0.54 GHz shift) through electrically induced thermal tuning. This advancement paves the way for
Jifan Yin   +7 more
wiley   +1 more source

Light‐Responsive Enzyme‐Loaded Nanoparticles for Tunable Adhesion and Mechanical Wound Contraction

open access: yesAdvanced Functional Materials, EarlyView.
This study presents a photoactivatable enzyme‐loaded mesoporous nanoparticle system (MPDA_PaTy) that enables light‐triggered tunable tissue adhesion and facilitates mechanical wound contraction. Controlled enzymatic crosslinking at tissue or hydrogel interfaces allows on‐demand adhesion.
Junghyeon Ko   +10 more
wiley   +1 more source

Numerical study on the thermohydraulic performance of a reciprocating room temperature active magnetic regenerator [PDF]

open access: yesE3S Web of Conferences, 2019
In this paper, the thermohydraulic performance of a reciprocating room temperature active magnetic regenerator (AMR), with gadolinium (Gd) particles used as a magnetocaloric material (MCM) and water used as a working fluid, was numerically investigated ...
El Achkar Georges   +2 more
doaj   +1 more source

Ice Lithography: Recent Progress Opens a New Frontier of Opportunities

open access: yesAdvanced Functional Materials, EarlyView.
This review focuses on recent advancements in ice lithography, including breakthroughs in compatible precursors and substrates, processes and applications, hardware, and digital methods. Moreover, it offers a roadmap to uncover innovation opportunities for ice lithography in fields such as biological, nanoengineering and microsystems, biophysics and ...
Bingdong Chang   +9 more
wiley   +1 more source

Modelling pressure distribution in sonicated ethanol solution using COMSOL simulation [PDF]

open access: yesE3S Web of Conferences, 2019
Ultrasound application has been reported to assist chemical processes as a result of various physiochemical effects during acoustic cavitation phenomena in a liquid.
Hasnul Hadi Nur Amira   +2 more
doaj   +1 more source

In Situ Study of Resistive Switching in a Nitride‐Based Memristive Device

open access: yesAdvanced Functional Materials, EarlyView.
In situ TEM biasing experiment demonstrates the volatile I‐V characteristic of MIM lamella device. In situ STEM‐EELS Ti L2/L3 ratio maps provide direct evidence of the oxygen vacancies migrations under positive/negative electrical bias, which is critical for revealing the RS mechanism for the MIM lamella device.
Di Zhang   +19 more
wiley   +1 more source

Charge‐Induced Morphing Gels for Bioinspired Actuation

open access: yesAdvanced Functional Materials, EarlyView.
This study introduces a novel electroactive actuation mechanism that enables the gel material to generate substantial and reversible shape‐changing while preserving topological and isochoric (volumetric) equivalence. The resultant morphing behaviors can mimic the movements of muscle‐driven organelles in nature, including cilia‐like beating and ...
Ciqun Xu   +4 more
wiley   +1 more source

A software package for analysis and modeling of engineering problems including multiphysics

open access: yesآموزش مهندسی ایران, 2014
In this paper, the capabilities of a finite element software package, known as COMSOL Multiphysics, are investigated. An applicable example in the field of mechanical engineering is presented and analyzed using this software package.
Mojtaba Haghighi Yazdi   +1 more
doaj   +1 more source

CdSe and CdTe Mechanical Properties Revealed by COMSOL Multiphasics

open access: yesAl-Mustansiriyah Journal of Science, 2023
Two Metal chalcogenide compounds CdTe and CdSe have been studied in depth because they are used in many optoelectronic and electronic devices. High pressure causes structural phase transitions in semiconductor materials, which have been the subject of ...
Ali K. Mohammed Ali
doaj   +1 more source

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