Results 91 to 100 of about 130,526 (292)

Dual‐Mode Magnetic Elastomer for On‐Demand Motion and Degradation

open access: yesAdvanced Functional Materials, EarlyView.
A dual‐mode magnetic elastomer is introduced, enabling DC field‐driven programmable actuation and AC field‐driven magnetothermal degradation. GHz‐range magnetic fields generate ultrafast heating of magnetic nanoparticles that activates cleavage of the silicone elastomer matrix.
Jieun Han   +13 more
wiley   +1 more source

The Effect of a Ferromagnetic Steel Enclosure on Magnetic Shielding Systems: Analysis, Modeling, and Experimental Validation

open access: yesMachines
The magnetic shielding device, made of high-permeability soft magnetic material, is sensitive to external influences and requires a protective steel enclosure.
Yuan Cheng   +3 more
doaj   +1 more source

Laser‐Assisted Processing and Modification of Bioactive Glasses: A Review

open access: yesAdvanced Healthcare Materials, EarlyView.
Laser technologies provide powerful tools to process and transform bioactive glasses for advanced biomedical applications. This review discusses laser‐matter interaction mechanisms, laser surface engineering, and laser‐assisted fabrication of scaffolds and nanofibers.
Antonio Riveiro   +8 more
wiley   +1 more source

Synthesis of combined shielding system for overhead power lines magnetic field normalization in residential building space

open access: yesElectrical engineering & Electromechanics
Problem. Most studies of power frequency magnetic field reduced to safe level in residential buildings located near overhead power lines carried out based on two-dimensional magnetic field modeling, which does not allow studying of original magnetic ...
B. I. Kuznetsov   +5 more
doaj   +1 more source

Some applications of the adjoint variable method in electromagnetic optimization and inverse problems [PDF]

open access: yes, 2008
In this paper we present two applications of the adjoint variable method (AVM). First we consider a design optimization problem in magnetic shielding. The objective is to reduce the magnetic stray field of an axisymmetric induction heating device for the
Cimrak, Ivan
core   +1 more source

Optoelectrical Devices for Neural Interfacing: Engineering Integration, Stability, and Multimodal Sensing

open access: yesAdvanced Healthcare Materials, EarlyView.
Implantable optoelectrical devices are an effective resource for the modulation and monitoring of neural activity with high spatiotemporal resolution. This review discusses current challenges faced by these devices and outlines future perspectives for the development of next‐generation neural interfaces targeting chronic, multisite, and multimodal ...
Stella Aslanoglou   +4 more
wiley   +1 more source

Smart Face Masks as Wearable Respiratory Sensors: A Review of Sensor Technologies, Materials, and Future Directions

open access: yesAdvanced Healthcare Materials, EarlyView.
This review highlights recent advances in smart face masks that actively monitor breathing. By integrating humidity, gas, temperature, pressure, strain, and triboelectric sensors, these masks track key respiratory parameters in real time. The article summarizes sensor mechanisms, compares performance across studies, and discusses challenges and future ...
Negin Faramarzi   +7 more
wiley   +1 more source

Exceptional magnetic shielding via ultra-low-remanence co-based amorphous alloys engineered by atomic ordering

open access: yesMaterials Research Letters
Ubiquitous electromagnetic signals enable modern information exchange but also cause radiation, interference, and data security risks. Shielding low-frequency magnetic fields (f 
Yuyang Qian   +11 more
doaj   +1 more source

Improved magnetometer uses toroidal gating coil [PDF]

open access: yes, 1965
Improved magnetometer employs a cylindrical, high permeability magnetic core with a toroidal gating coil and a solenoid pickup coil. Flux interaction can be reduced by electrostatically shielding the pickup coil from the gating coil.

core   +1 more source

Primary Beam Steering Due to Field Leakage from Superconducting SHMS Magnets

open access: yes, 2014
Simulations of the magnetic fields from the Super High Momentum Spectrometer in Hall C at Thomas Jefferson National Accelerator Facility show significant field leakage into the region of the primary beam line between the target and the beam dump. Without
Benesch, Jay   +4 more
core   +1 more source

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