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85 Results Found

  • Article
  • Open Access
5 Citations
2,136 Views
17 Pages

14 January 2022

Advanced manufacturing processes require an in-line full inspection system. A nondestructive inspection system able to detect a contaminant such as tool chipping was utilized for the purpose of detecting a defective product as well as damaged machine...

  • Article
  • Open Access
4 Citations
2,554 Views
23 Pages

22 January 2024

A unique functionality was reported for a thin-film soft magnetic strip with a certain angle of inclined magnetic anisotropy. It can switch magnetic domain by applying a surface normal field with a certain distribution on the element. The domain swit...

  • Article
  • Open Access
2,014 Views
9 Pages

10 December 2022

In this paper, variations in the normal component of the magnetic field BZ on the surface of Q195 steel specimens produced by simultaneous application of noncoaxial DC magnetic field and stress were studied by tensile tests. It was found that there w...

  • Article
  • Open Access
11 Citations
3,344 Views
20 Pages

12 June 2021

The thin film magneto-impedance sensor is useful for detecting a magnetic material nondestructively. The sensor made by single layer uniaxial amorphous thin film has a tolerance against surface normal magnetic field because of its demagnetizing force...

  • Article
  • Open Access
2 Citations
2,364 Views
13 Pages

Switching Field Distribution in BN/FePtCAg/MgTiON and FePtCAg/MgTiOBN Films

  • Jai-Lin Tsai,
  • Chun-Yu Sun,
  • Jun-Kai Lin,
  • Gaun-Jhen Huang,
  • Kuan-Cheng Liu and
  • He-Ting Tsai

BN is the currently required segregant for perpendicular FePt media. We found that BN can be diffused from the MgTiOBN intermediate layer during a high temperature process. The FePtCAg film sputtered on MgTiOBN layers illustrates higher perpendicular...

  • Article
  • Open Access
2,345 Views
14 Pages

5 August 2021

In order to investigate the relationship between tribo-magnetization and wear phenomena, a series of sliding-friction tests were carried out using a pin-on-block reciprocator type device, which was specially designed to generate sliding friction and...

  • Feature Paper
  • Article
  • Open Access
4 Citations
2,642 Views
24 Pages

28 July 2022

This paper deals with the detection of small magnetization using a thin film magneto-impedance sensor with subjecting to strong normal field. The sensor was made by soft magnetic amorphous thin-film with uniaxial magnetic anisotropy in the width dire...

  • Article
  • Open Access
1 Citations
1,637 Views
16 Pages

21 December 2023

This research deals with precision calculations of stationary magnetic fields of volumetric bodies. The electrostatics analogy allows for the use of a scalar magnetic potential, which reformulates the original task as a boundary value problem for the...

  • Article
  • Open Access
4 Citations
6,134 Views
18 Pages

19 March 2016

This paper presents a study on an induction planar actuator concept. The device uses the same principles as a linear induction motor in which the interaction between a travelling magnetic field and a conducting surface produces eddy currents that lea...

  • Article
  • Open Access
7 Citations
2,730 Views
12 Pages

As one of the new intelligent materials, controllable bionic adhesive materials have great application prospects in many fields, such as wearable electronic devices, wall climbing robot systems, and biomedical engineering. Inspired by the microstruct...

  • Article
  • Open Access
2 Citations
2,634 Views
7 Pages

17 June 2021

We demonstrate magnetic control of optical reflectance with no ferromagnetic material via combining the Faraday rotation and the surface plasmon resonance (SPR) in a Kretschman configuration under magnetic fields < 0.5 T. The SPR produces the pola...

  • Article
  • Open Access
36 Citations
10,291 Views
12 Pages

2 March 2011

Virtual surface characteristics of tactile displays are investigated to characterize the feeling of human touch for a haptic interface application. In order to represent the tactile feeling, a prototype tactile display incorporating Magneto-Rheologic...

  • Feature Paper
  • Article
  • Open Access
11 Citations
3,262 Views
10 Pages

Interface Superconductivity in a Dirac Semimetal NiTe2

  • Varnava D. Esin,
  • Oleg O. Shvetsov,
  • Anna V. Timonina,
  • Nikolai N. Kolesnikov and
  • Eduard V. Deviatov

22 November 2022

We experimentally investigated charge transport through a single planar junction between a NiTe2 Dirac semimetal and a normal gold lead. At milli-Kelvin temperatures, we observe non-Ohmic dV/dI(V) behavior resembling Andreev reflection at a supercond...

  • Article
  • Open Access
3 Citations
3,665 Views
13 Pages

In comparison to alternative methods for hydrogen production, water electrolysis stands out as the optimal means for obtaining ultra-pure hydrogen. However, its widespread adoption is significantly hampered by its low energy efficiency. It has been e...

  • Communication
  • Open Access
1 Citations
1,785 Views
11 Pages

Inspection of Semi-Elliptical Defects in a Steel Pipe Using the Metal Magnetic Memory Method

  • J. Jesús Villegas-Saucillo,
  • Jose Javier Diaz-Carmona,
  • Juan Prado-Olivares,
  • Monserrat Sofia López-Cornejo,
  • Ernesto A. Elvira-Hernández,
  • Carlos A. Cerón-Álvarez and
  • Agustín L. Herrera-May

19 June 2024

Ferromagnetic pipes are widely used for fluid transportation in various industries. The failure of these ferromagnetic pipes due to surface defects can generate industrial accidents, economic losses, and environmental pollution. Non-destructive testi...

  • Article
  • Open Access
2 Citations
3,415 Views
15 Pages

Azimuthal Fermionic Current in the Cosmic String Spacetime Induced by a Magnetic Tube

  • Mikael Souto Maior de Sousa,
  • Rubens Freire Ribeiro and
  • Eugênio Ramos Bezerra de Mello

16 March 2018

In this paper, we calculate the vacuum expectation value of the azimuthal fermionic current, associated with a massive fermionic quantum field in the spacetime of an idealized cosmic string, considering the presence of a magnetic tube of radius a, co...

  • Article
  • Open Access
15 Citations
3,601 Views
12 Pages

Nanofluid Transport through a Complex Wavy Geometry with Magnetic and Permeability Effects

  • Muhammad Saleem Iqbal,
  • Abuzar Ghaffari,
  • Arshad Riaz,
  • Irfan Mustafa and
  • Muhammad Raza

The current article incorporates the numerical investigation of heat exchange rate and skin friction carried out through nanofluid saturated with thermally balanced porous medium over a rough horizontal surface that follows the sinusoidal waves. The...

  • Article
  • Open Access
9 Citations
2,779 Views
16 Pages

The present manuscript focuses on the study of surface wave propagation in a rotating coated viscoelastic half-space and its response to external forces comprised of the magnetic field and gravitational forces. A celebrated normal mode analysis proce...

  • Article
  • Open Access
5 Citations
2,606 Views
10 Pages

Magnetic Domain Structure of Lu2.1Bi0.9Fe5O12 Epitaxial Films Studied by Magnetic Force Microscopy and Optical Second Harmonic Generation

  • Marina Temiryazeva,
  • Evgeny Mamonov,
  • Anton Maydykovskiy,
  • Alexei Temiryazev and
  • Tatiana Murzina

Magnetic structure of functional magnetic dielectrics is traditionally of high interest. Here, we use the magnetic force microscopy (MFM) and nonlinear-optical probe of second harmonic generation for studies of surface domain structure of monocrystal...

  • Article
  • Open Access
19 Citations
3,120 Views
12 Pages

Microstructure and Mechanical Properties of Al/Steel Butt Joint by Hybrid CMT Welding with External Axial Magnetic Field

  • Kexin Kang,
  • Yibo Liu,
  • Junzhao Li,
  • Chao Liu,
  • Zuyang Zhen,
  • Yaxin Wang and
  • Qingjie Sun

14 August 2020

The 6061 aluminum alloy and 304 stainless steel were welded by hybrid cold metal transfer (CMT) welding with external axial magnetic field. The effects of magnetic intensity and frequency on joint microstructure and mechanical properties were studied...

  • Article
  • Open Access
4 Citations
3,658 Views
9 Pages

8 November 2021

The Earth’s magnetic field is measured on and above the crust, while the turbulent dynamo in the outer core produces magnetic field values at the core–mantle boundary (CMB). The connection between the two sets of values is usually assumed to be indep...

  • Article
  • Open Access
14 Citations
4,084 Views
15 Pages

Experimental and Theoretical Investigations on Diamond Wire Sawing for a NdFeB Magnet

  • Jia Liu,
  • Zhenyu Zhang,
  • Shengzuo Wan,
  • Bin Wu,
  • Junyuan Feng,
  • Tianyu Zhang and
  • Chunchen Zhou

22 April 2022

The normal processing of sintered NdFeB magnets, used in many applied fields, involves diamond wire sawing. Due to the fact of its relatively lower hardness and high brittleness, the surface roughness and periodic waviness of the sawed surface have b...

  • Article
  • Open Access
20 Citations
4,422 Views
12 Pages

16 January 2019

To monitor fatigue crack initiation and propagation, and to judge the fatigue damage status of ferromagnetic material, fatigue bending tests of four-point single edge notch bend (SENB4) specimens were carried out. Metal magnetic memory signals were m...

  • Article
  • Open Access
306 Views
24 Pages

13 November 2025

The grounding grid of a substation is a crucial component for ensuring normal operation. However, since it is buried underground for long periods, it is highly susceptible to electrochemical corrosion. This corrosion leads to a reduction in its groun...

  • Article
  • Open Access
19 Citations
2,535 Views
18 Pages

15 November 2022

The heat transfer characteristics along the non-magnetized shapes have been performed in various previous studies numerically. Due to excessive heating, these mechanisms are less interesting in engineering and industrial processes. In the current ana...

  • Article
  • Open Access
6 Citations
2,726 Views
8 Pages

On the Polarisation of Radio Relics

  • Matthias Hoeft,
  • Kamlesh Rajpurohit,
  • Denis Wittor,
  • Gabriella di Gennaro and
  • Paola Domínguez-Fernández

10 January 2022

Radio relics are extended radio emission features which trace shock waves in the periphery of galaxy clusters originating from cluster mergers. Some radio relics show a highly polarised emission, which make relics an excellent probe for the magnetisa...

  • Article
  • Open Access
10 Citations
4,144 Views
20 Pages

Numerical Investigation on Mechanisms of MHD Heat Flux Mitigation in Hypersonic Flows

  • Zhifeng Zhou,
  • Zhichao Zhang,
  • Zhenxun Gao,
  • Ke Xu and
  • Chun-Hian Lee

25 September 2022

Numerical simulations of hypersonic magnetohydrodynamics (MHD) flow over a typical sphere–cone blunt body are carried out based on the assumption of a low magnetic Reynolds number. The effects of an external dipole magnetic field on the surface...

  • Article
  • Open Access
1 Citations
2,270 Views
12 Pages

Dual-Wavelength Forward-Enhanced Directional Scattering and Second Harmonic Enhancement in Open-Hole Silicon Nanoblock

  • Xinghua Wang,
  • Yunbao Zheng,
  • Min Ouyang,
  • Haihua Fan,
  • Qiaofeng Dai and
  • Haiying Liu

30 November 2022

Nanostructures with appropriate sizes can limit light-matter interaction and support electromagnetic multipole resonance. The interaction between light and nanostructures is intimately related to manipulating the direction of scattered light in the f...

  • Article
  • Open Access
2,180 Views
23 Pages

13 February 2023

A new advanced two-dimensional hybrid analytical model of a segmented magnet linear actuator (MLA) comprised of surface permanent magnets (PM) is developed in this paper. This model is used to predict and evaluate the performance of the segmented MLA...

  • Article
  • Open Access
2 Citations
2,268 Views
13 Pages

Measurements of Surface Impedance in MgB2 in DC Magnetic Fields: Insights in Flux-Flow Resistivity

  • Andrea Alimenti,
  • Kostiantyn Torokhtii,
  • Pablo Vidal García,
  • Enrico Silva,
  • Mihai Alexandru Grigoroscuta,
  • Petre Badica,
  • Adrian Crisan and
  • Nicola Pompeo

26 December 2022

We present the multifrequency measurements of the surface resistance of spark-plasma-sintered MgB2 performed through a dielectric loaded resonator operating at 16.5 and 26.7 GHz. By normally applying magnetic fields ≤1.2 T to the sample surface, w...

  • Article
  • Open Access
1 Citations
1,596 Views
22 Pages

Thin Films of BaM Hexaferrite with an Inclined Orientation of the Easy Magnetization Axis: Crystal Structure and Magnetic Properties

  • Boris Krichevtsov,
  • Alexander Korovin,
  • Vladimir Fedorov,
  • Sergey Suturin,
  • Aleksandr A. Levin,
  • Andrey Telegin,
  • Elena Balashova and
  • Nikolai Sokolov

23 November 2024

Thin (~50 nm thick) BaM hexaferrite (BaFe12O19) films were grown on (1–102) and (0001) cut α-Al2O3 (sapphire) substrates via laser molecular beam epitaxy using a one- or two-stage growth protocol. The advantages of a two-stage protocol ar...

  • Article
  • Open Access
12 Citations
7,711 Views
21 Pages

Geothermal Exploration Using Remote Sensing, Surface Temperature, and Geophysical Data in Lunayyir Volcanic Field, Saudi Arabia

  • Faisal Alqahtani,
  • Essam Aboud,
  • Muhsan Ehsan,
  • Zohaib Naseer,
  • Murad Abdulfarraj,
  • Mohamed F. Abdelwahed and
  • Nabil El-Masry

Energy consumption worldwide has undergone a recent shift, with hydrocarbons, coal, and new energy sources taking center stage. However, fossil fuels face criticism due to their negative impacts on the environment through air pollution. Geothermal en...

  • Feature Paper
  • Conference Report
  • Open Access
1 Citations
3,752 Views
8 Pages

Bursts and flares are among the distinctive observational manifestations of magnetars, isolated neutron stars endowed with an ultra-strong magnetic field ( B ≈ 10 14 – 10 15 G). It is believed that these events arise in a hot electron-...

  • Article
  • Open Access
16 Citations
4,899 Views
11 Pages

14 February 2019

Non-destructive tests of gantry cranes by means of the residual magnetic field (RMF) method were carried out for a duration of 7 years. Distributions of the residual magnetic field tangential and the normal components of their gradients were determin...

  • Article
  • Open Access
5 Citations
2,098 Views
16 Pages

Magneto-Nanofluid Flow via Mixed Convection Inside E-Shaped Square Chamber

  • Hossam A. Nabwey,
  • Ahmed M. Rashad,
  • Mohamed A. Mansour and
  • Taha Salah

4 June 2022

Nanofluids play a crucial role in the augmentation of heat transfer in several energy systems. They exhibit better thermal conductivity and physical strength compared to normal fluids. Here, we conduct an evaluative investigation of the magnetized fl...

  • Article
  • Open Access
7 Citations
3,908 Views
30 Pages

Limits on Magnetized Quark-Nugget Dark Matter from Episodic Natural Events

  • J. Pace VanDevender,
  • Aaron P. VanDevender,
  • Peter Wilson,
  • Benjamin F. Hammel and
  • Niall McGinley

4 February 2021

A quark nugget is a hypothetical dark-matter candidate composed of approximately equal numbers of up, down, and strange quarks. Most models of quark nuggets do not include effects of their intrinsic magnetic field. However, Tatsumi used a mathematica...

  • Feature Paper
  • Article
  • Open Access
22 Citations
6,719 Views
12 Pages

Drone Magnetometry in Mining Research. An Application in the Study of Triassic Cu–Co–Ni Mineralizations in the Estancias Mountain Range, Almería (Spain)

  • Daniel Porras,
  • Javier Carrasco,
  • Pedro Carrasco,
  • Santiago Alfageme,
  • Diego Gonzalez-Aguilera and
  • Rafael Lopez Guijarro

18 December 2021

The use of drones in mining and geological exploration is under rapid development, especially in the field of magnetic field prospection. In part, this is related to the advantages presented for over ground surveys, allowing for high-density data acq...

  • Article
  • Open Access
2 Citations
2,142 Views
16 Pages

Numerical Study of the Flow and Thermomagnetic Convection Heat Transfer of a Power Law Non-Newtonian Ferrofluid within a Circular Cavity with a Permanent Magnet

  • Nidhal Ben Khedher,
  • Mohammad Shahabadi,
  • Abed Saif Alghawli,
  • Christopher Neil Hulme and
  • Seyed Abdollah Mansouri Mehryan

26 July 2022

The aim of this study is to analyze the thermo-magnetic-gravitational convection of a non-Newtonian power law ferrofluid within a circular cavity. The ferrofluid is exposed to the magnetic field of a permanent magnet. The finite element method is emp...

  • Article
  • Open Access
2 Citations
3,178 Views
23 Pages

19 August 2020

We investigated the proposed hybrid skin (H-Skin) for the requirement of haptic sensibility in rubber using our proposed consummate fabrication process together with a multi-layered magnetic compound fluid (MCF) rubber and stocking-like porous rubber...

  • Article
  • Open Access
16 Citations
2,214 Views
13 Pages

On Thermal Distribution for Darcy–Forchheimer Flow of Maxwell Sutterby Nanofluids over a Radiated Extending Surface

  • Wen Wang,
  • Mohammed M. M. Jaradat,
  • Imran Siddique,
  • Abd Allah A. Mousa,
  • Sohaib Abdal,
  • Zead Mustafa and
  • Hafiz Muhammad Ali

27 May 2022

This study addresses thermal transportation associated with dissipated flow of a Maxwell Sutterby nanofluid caused by an elongating surface. The fluid passes across Darcy–Forchheimer sponge medium and it is affected by electromagnetic field app...

  • Article
  • Open Access
12 Citations
10,404 Views
25 Pages

A Multimodal, Adjustable Sensitivity, Digital 3-Axis Skin Sensor Module

  • Alexis Carlos Holgado,
  • Tito Pradhono Tomo,
  • Sophon Somlor and
  • Shigeki Sugano

1 June 2020

This paper presents major improvements to a multimodal, adjustable sensitivity skin sensor module. It employs a geomagnetic 3-axis Hall effect sensor to measure changes in the position of a magnetic field generated by an electromagnet. The electromag...

  • Review
  • Open Access
8 Citations
2,370 Views
39 Pages

Quasi-Optical Theory of Relativistic Cherenkov Oscillators and Amplifiers with Oversized Electrodynamic Structures

  • Andrey Malkin,
  • Naum Ginzburg,
  • Vladislav Zaslavsky,
  • Ilya Zheleznov and
  • Alexander Sergeev

Using the quasi-optical approach, we investigate wave propagation along the periodically corrugated surfaces and their interaction with rectilinear relativistic electron beams (REBs). At the periodical structure, the field can be expanded into a seri...

  • Article
  • Open Access
3 Citations
2,175 Views
15 Pages

Effect of Additives on Tribological Performance of Magnetorheological Fluids

  • Songran Zhuang,
  • Yongbing Cao,
  • Wanli Song,
  • Peng Zhang and
  • Seung-Bok Choi

14 February 2024

In this study, nano-diamond (ND) and MoS2 powder are used as additives in a carbonyl iron-based magnetorheological fluid (MRF) to improve its tribological performance. MRFs are prepared by dispersing 35 wt.% of CI particles in silicone oil and adding...

  • Article
  • Open Access
260 Views
25 Pages

This study describes the developed special prototype of a wearable measuring device based on a photoplethysmography (PPG) sensor. It contains also a humidity sensor and a thermometer to measure skin moisture and temperature, and a force-sensitive (FS...

  • Article
  • Open Access
1 Citations
2,267 Views
13 Pages

In Vitro Study of Tumor-Homing Peptide-Modified Magnetic Nanoparticles for Magnetic Hyperthermia

  • Shengli Zhou,
  • Kaname Tsutsumiuchi,
  • Ritsuko Imai,
  • Yukiko Miki,
  • Anna Kondo,
  • Hiroshi Nakagawa,
  • Kazunori Watanabe and
  • Takashi Ohtsuki

Cancer cells have higher heat sensitivity compared to normal cells; therefore, hyperthermia is a promising approach for cancer therapy because of its ability to selectively kill cancer cells by heating them. However, the specific and rapid heating of...

  • Article
  • Open Access
1,848 Views
15 Pages

Radiofrequency Enhancer to Recover Signal Dropouts in 7 Tesla Diffusion MRI

  • Varun Subramaniam,
  • Andrew Frankini,
  • Ameen Al Qadi,
  • Mackenzie T. Herb,
  • Gaurav Verma,
  • Bradley N. Delman,
  • Priti Balchandani and
  • Akbar Alipour

30 October 2024

Diffusion magnetic resonance imaging (dMRI) allows for a non-invasive visualization and quantitative assessment of white matter architecture in the brain by characterizing restrictions on the random motion of water molecules. Ultra-high field MRI sca...

  • Article
  • Open Access
19 Citations
2,533 Views
15 Pages

On the Localization of Persistent Currents Due to Trapped Magnetic Flux at the Stacking Faults of Graphite at Room Temperature

  • Regina Ariskina,
  • Markus Stiller,
  • Christian E. Precker,
  • Winfried Böhlmann and
  • Pablo D. Esquinazi

10 May 2022

Granular superconductivity at high temperatures in graphite can emerge at certain two-dimensional (2D) stacking faults (SFs) between regions with twisted (around the c-axis) or untwisted crystalline regions with Bernal (ABA…) and/or rhombohedr...

  • Article
  • Open Access
1 Citations
2,120 Views
17 Pages

Production of High-Power Nitrogen Sputtering Plasma for TiN Film Preparation

  • Taishin Sato,
  • Sawato Igarashi,
  • Katsuyuki Takahashi,
  • Seiji Mukaigawa and
  • Koichi Takaki

25 June 2024

High-density nitrogen plasma was produced using a high-power pulsed power modulator to sputter titanium targets for the preparation of titanium nitride film. The high-power pulsed sputtering discharge unit consisted of two targets facing each other w...

  • Article
  • Open Access
1 Citations
3,240 Views
12 Pages

5 May 2019

Temperature dependence of the magnetic field penetration depth λ was calculated for water intercalated sodium cobaltate superconductor Na x CoO 2 · y H 2 O. Assuming that the system is in the chiral d+id&nda...

  • Article
  • Open Access
4 Citations
1,940 Views
15 Pages

25 October 2022

The present study focuses on the examination of the propagation of plane surface waves on a coated half-space, which is accompanied by the magnetic field force, and the normal mechanical loading, due to Winkler’s elastic foundation. The study i...

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