Results 11 to 20 of about 98,037 (215)

Unravelling Temperature Ramping Rates in Fabricating NaCl‐Induced Porous Co/N‐C Electrocatalysts for Oxygen Reduction Reaction

ChemElectroChem, 2022
Pyrolysis is a necessary procedure for synthesizing carbon‐based nonprecious metal electrocatalysts via stimulating interaction and carbonization of precursors.
Dr. Junting Sun, Jiaxiang Jin, Yatao Chang, Dr. Jing Wang, Qindong Zhang, Prof. Junjie Guo   +5 more
doaj   +1 more source

Collaborative Filler Network for Enhancing the Performance of BaTiO₃/PDMS Flexible Piezoelectric Polymer Composite Nanogenerators

Sensors, 2022
Wearable sensors are gaining attention in human health monitoring applications, even if their usability is limited due to battery need. Flexible nanogenerators (NGs) converting biomechanical energy into electrical energy offer an interesting solution, as
Ayda Bouhamed, Nathanael Jöhrmann, Slim Naifar, Benny Böhm, Olav Hellwig, Bernhard Wunderle, Olfa Kanoun   +6 more
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Anisotropic magnetic property, magnetostriction, and giant magnetocaloric effect with plateau behavior in TbMn2Ge2 single crystal

Scientific Reports, 2022
The ternary RMn2Ge2 (R = rare earth) intermetallic compounds have attracted great attention due to their interesting magnetic behaviors and magnetotransport responses.
Shuai Huang, Yuming Bai, Kaiqi Wan, Changming Zhu, Dexuan Huo, Zhaoming Tian   +5 more
doaj   +1 more source

2D-Vector Magnetic Sensing Based on Ring-Shaped Fiber-Optic Structure Coated with Magnetic Fluid

Micromachines, 2023
In this work, a novel fiber-optic sensor for 2D magnetic sensing is explored based on nanostructured magnetic fluid. The fiber-optic sensor comprises a ring-shaped fiber structure that is coated with magnetic fluid.
Qijing Lin, Liangquan Zhu, Na Zhao, Ping Yang, Zhuangde Jiang   +4 more
doaj   +1 more source

Structural, magnetic and magnetocaloric properties in distorted RE 2NiTiO6 double perovskite compounds

JPhys Energy, 2023
The magnetocaloric effect based Magnetic refrigeration (MR) was considered a novel energy-efficient and environmentally benign cooling method. However, the lack of suitable magnetic solids has slowed the development of its practical applications.
Zhenqian Zhang, Peng Xu, Youshun Jia, Lingwei Li   +3 more
doaj   +1 more source

Observation of Magnetic Domains in Amorphous Magnetic Wires with a Diameter of 10 μm Used in GSR Sensors

Sensors, 2023
The core of a Gigahertz Spin Rotation (GSR) sensor, a compact and highly sensitive magnetic sensor, is composed of Co–Fe-based amorphous magnetic wire with a diameter of 10 μm.
Masaaki Takezawa, Yuki Harada, Yoshinobu Honkura, Shinpei Honkura   +3 more
doaj   +1 more source

A comprehensive study of the magnetic concentrating sensor for the damage detection of steel wire ropes

Materials Research Express, 2020
Magnetic flux leakage (MFL) method is an important way to detect the fault of steel wire ropes and the sensor for the collection of MFL plays a vital role in the damage detection.
Yiqing Zhang, Luyang Jing, Chengjun Chen, Xiaorui Bai, Jiwen Tan   +4 more
doaj   +1 more source

Optimization of magnetic anomaly detection with single-axis sensor for pig locating in low latitude areas

Petroleum, 2019
When a pig mounted with permanent magnets gets stuck in the pipeline, it can be located by detecting the magnetic anomalies on the ground using a single-axis magnetic sensor.
Wei Xu, Zhiyong Guo, Zhongxiang Liu, Peng Zhang, Yanxi Zhou   +4 more
doaj   +1 more source

How Magnetic Disturbance Influences the Attitude and Heading in Magnetic and Inertial Sensor-Based Orientation Estimation

Sensors, 2017
With the advancements in micro-electromechanical systems (MEMS) technologies, magnetic and inertial sensors are becoming more and more accurate, lightweight, smaller in size as well as low-cost, which in turn boosts their applications in human movement ...
Bingfei Fan, Qingguo Li, Tao Liu
doaj   +1 more source

Nonlinear conjugate gradient methods in micromagnetics

AIP Advances, 2017
Conjugate gradient methods for energy minimization in micromagnetics are compared. The comparison of analytic results with numerical simulation shows that standard conjugate gradient method may fail to produce correct results. A method that restricts the
J. Fischbacher, Alexander Kovacs, Harald Oezelt, T. Schrefl, L. Exl, J. Fidler, D. Suess, N. Sakuma, M. Yano, A. Kato, T. Shoji, A. Manabe   +11 more
doaj   +1 more source