IEEE Organizations related to Magnetoacoustic Effects

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Conferences related to Magnetoacoustic Effects

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2020 42nd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC)

The conference program will consist of plenary lectures, symposia, workshops and invitedsessions of the latest significant findings and developments in all the major fields of biomedical engineering.Submitted papers will be peer reviewed. Accepted high quality papers will be presented in oral and postersessions, will appear in the Conference Proceedings and will be indexed in PubMed/MEDLINE


2020 IEEE International Magnetic Conference (INTERMAG)

INTERMAG is the premier conference on all aspects of applied magnetism and provides a range of oral and poster presentations, invited talks and symposia, a tutorial session, and exhibits reviewing the latest developments in magnetism.


2020 Joint Conference of the IEEE International Frequency Control Symposium and International Symposium on Applications of Ferroelectrics (IFCS-ISAF)

Ferroelectric materials and applications


2019 IEEE International Ultrasonics Symposium (IUS)

The conference covers all aspects of the technology associated with ultrasound generation and detection and their applications.


2019 Joint Conference of the IEEE International Frequency Control Symposium anEuropean Frequency and Time Forum (EFTF/IFC)

The 33RD European Frequency and Time Forum and the 73rd consecutive meeting of the IEEE International Frequency Control Symposium will be held as a joint conference in Orlando, Florida, USA April 14-18, 2019. The conference will provide information on recent advances and trends on scientific research, development and manufacturing technology in the area of frequency and time and frequency control. A technical exhibition will be held during the conference, which will be hosted at the Caribe Royale Hotel and Convention Center.


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Periodicals related to Magnetoacoustic Effects

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Most published Xplore authors for Magnetoacoustic Effects

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Xplore Articles related to Magnetoacoustic Effects

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Quantitative Magnetic Characterization of Synthetic Ferrimagnets for Predictive Spin-Dynamic Behavior

IEEE Transactions on Magnetics, 2014

Geometric or magnetic asymmetries in synthetic antiferromagnetic particles give rise to ferrimagnetic-like magnetization behavior, both quasi-static and dynamic. Such asymmetries in synthetic ferrimagnets can originate from a thickness imbalance or a fringing field from the reference layer in a nanopillar stack. In this paper, we theoretically describe the effects of the corresponding magnetic asymmetry contribution on the structure's static and ...


Diffraction of a dipole field by a perfectly conducting half plane

Radio Science, 1967

The various forms of solution for the problem of an arbitrarily oriented electric or magnetic dipole in the presence of a half plane are reviewed and presented from a unified point of view. Some new results are given and errors in the literature are corrected.


Design and 2D finite element analysis for a novel magnetic gear integrated brushless permanent machine

2016 12th World Congress on Intelligent Control and Automation (WCICA), 2016

Mechanical gears are used extensively for low-speed electrical machine application to reach high system torque density. However, gear lubrication, vibration and reliability can be significant issues. Magnetic gears (MG) can effectively reduce the speed and amplify system output torque through modulation of ferromagnetic pole-pieces and interaction of magnetic field. This paper proposed a novel magnetic gear integrated brushless permanent machine, ...


Simulation of the Propagation Behavior of Short Cracks in Q235 Steel Based on Stress-Magnetic Coupling

2018 IEEE Far East NDT New Technology & Application Forum (FENDT), 2018

A stress-magnetic coupling model was established from the perspective of energy conservation to study the variation rule of the magnetic signals in the process of short crack propagation in Q235 steel. The stress distribution and magnetic induction intensity caused by the propagation of surface short cracks in different directions can be solved using the finite element method. The effect of ...


Imaging of electromagnetic properties via acoustic excitation

2012 IEEE International Ultrasonics Symposium, 2012

A variety of piezoelectric and magnetic materials are studied through acoustically stimulated electromagnetic (ASEM) response. The ASEM signals are found in polycrystalline plastic materials, ferrite magnets, and a biological tissue of bone as well as single-crystalline GaAs. Since ASEM signals will be canceled in amorphous or randomly oriented polycrystals, small signals emitted from plastic materials imply the presence of crystalline ...


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Educational Resources on Magnetoacoustic Effects

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IEEE.tv Videos

IMS 2011 Microapps - Memory Effects in RF Circuits: Definition, Manifestations and Fast, Accurate Simulation
IMS 2012 Microapps - Reducing Active Device Temperature Rise and RF Heating Effects with High Thermal Conductivity Low Loss Circuit Laminates
IMS MicroApp: Unexpected effects of conductor profile on the propagation constant
Panel 1: Critical Modeling Aspects & Effects on System Design & Performance - Brooklyn 5G 2015
The Josephson Effect: The Observations of Josephson's Effects
Micro-Apps 2013: Rapid Simulation of Large Phased Array T/R Module Networks
IROS TV 2019- Pohang University of Science and Technology- Haptics and Virtual Reality Laboratory
BSIM Spice Model Enables FinFET and UTB IC Design
IEEE Magnetics Distinguished Lecture - Yoshichika Otani
26th Annual MTT-AP Symposium and Mini Show - Ken Kenjale
Microwave PCB Structure Selection Microstrip vs. Grounded Coplanar Waveguide: MicroApps 2015 - Rogers Corporation
IEEE Sections Congress 2011 Opening Ceremony
Penetrating Conductors - EMC Society Demo
How to Optimize the Performance of Your RF Layout: MicroApps 2015 - Keysight Technologies
Non-Volatile Memory Array Based Quantization - Wen Ma - ICRC San Mateo, 2019
Brooklyn 5G - 2015 - Chris Collins - Safety, Exposure Assessment and Dosimetry from RF to mmWave
Brooklyn 5G Summit 2014: Channel Measurements Summary by Ted Rappaport
Q&A: David Kravitz - Special Session on SIoT: WF-IoT 2016
Societal Impacts and Benefits - GHTC 2012 Session - Mary Ann Stewart
Q&A with Emery Brown: IEEE Brain Podcast, Episode 3

IEEE-USA E-Books

  • Quantitative Magnetic Characterization of Synthetic Ferrimagnets for Predictive Spin-Dynamic Behavior

    Geometric or magnetic asymmetries in synthetic antiferromagnetic particles give rise to ferrimagnetic-like magnetization behavior, both quasi-static and dynamic. Such asymmetries in synthetic ferrimagnets can originate from a thickness imbalance or a fringing field from the reference layer in a nanopillar stack. In this paper, we theoretically describe the effects of the corresponding magnetic asymmetry contribution on the structure's static and spin-dynamic behavior. The developed model is then used to experimentally determine the asymmetry parameters of typical nanoscale spin-flop junctions, as well as successfully describe their microwave resonant properties, such as the frequency splitting and the field dependence of the optical spin-resonance spectra.

  • Diffraction of a dipole field by a perfectly conducting half plane

    The various forms of solution for the problem of an arbitrarily oriented electric or magnetic dipole in the presence of a half plane are reviewed and presented from a unified point of view. Some new results are given and errors in the literature are corrected.

  • Design and 2D finite element analysis for a novel magnetic gear integrated brushless permanent machine

    Mechanical gears are used extensively for low-speed electrical machine application to reach high system torque density. However, gear lubrication, vibration and reliability can be significant issues. Magnetic gears (MG) can effectively reduce the speed and amplify system output torque through modulation of ferromagnetic pole-pieces and interaction of magnetic field. This paper proposed a novel magnetic gear integrated brushless permanent machine, which overcomes the drawbacks associated with mechanical gear. Compared with previous magnetic gear integrated machines, the novel one is more space efficient and easier to control for putting the brushless permanent machine inside the magnetic gear through mounting the inner-rotor of MG on the brushless permanent machine. This kind of structure integration can make full use of inside-space of MG, and the novel drive train system can reach higher transmission torque density. The operating principle of the machine is discussed and transient performances are analyzed using 2D finite element method (FEM). Detailed analyses about its gear ratio, torque transmission, core losses, and induced voltage are reported.

  • Simulation of the Propagation Behavior of Short Cracks in Q235 Steel Based on Stress-Magnetic Coupling

    A stress-magnetic coupling model was established from the perspective of energy conservation to study the variation rule of the magnetic signals in the process of short crack propagation in Q235 steel. The stress distribution and magnetic induction intensity caused by the propagation of surface short cracks in different directions can be solved using the finite element method. The effect of early short crack propagation under the tensile load on the magnetic signals of the surface space was analyzed. Results showed that magnetic induction intensity linearly increased with the increase in tensile stress. The propagation of short cracks in all directions would affect the surface magnetic induction intensity, wherein the magnetic signal was most sensitive to depth change and least sensitive to length change. The peak value of magnetic anomaly first increased and then decreased with the increase in the length and depth of short cracks and gradually increased with depth. Early damage in Q235 steel can be determined by measuring the magnetic induction intensity of the surface. This approach provided a new idea for the application of the magnetic detection method in the quantitative problem of short cracks.

  • Imaging of electromagnetic properties via acoustic excitation

    A variety of piezoelectric and magnetic materials are studied through acoustically stimulated electromagnetic (ASEM) response. The ASEM signals are found in polycrystalline plastic materials, ferrite magnets, and a biological tissue of bone as well as single-crystalline GaAs. Since ASEM signals will be canceled in amorphous or randomly oriented polycrystals, small signals emitted from plastic materials imply the presence of crystalline domains within a spot size (about 1 mm) of the focused ultrasonic beam. We also performed ASEM imaging for single crystalline GaAs. A striking stripe pattern is found in GaAs (100) substrates. This will be attributed to resonant modes of acoustic waves confined in the substrates, yielding specific patterns affected by antenna configuration and detection frequency.

  • Chemical contamination as causes of electrical-insulation failure

    Discussion and authors' closure of paper 45–97 by C. H. Braithwaite, Jr., and G. L. Moses, published in AIEE TRANSACTIONS, 1945, August section, pages 580–3.

  • Tunable HBAR based on magnetoelectric YIG/ZnO structure

    High overtone resonators with YIG/ZnO structure were prepared. For excitation of bulk transversal or/and longitudinal AW, thin ZnO films were sputtered on the layered structure, consisting of yittrium iron garnet (YIG) epitaxial film grown on the gadolinium gallium garnet substrate. The influence of 0-2 kOe bias field on AW resonance frequencies and attenuation was investigated. For the magnetic field oriented in the plane of the YIG film the obtained results prove its effective influence on the spectra of transverse AW with polarization vector quasicollinear with the field direction. Two types of non- monotonic dependences were observed. One of them was observed in the region at 260 Oe when YIG was saturated, and AW resonance frequencies were about 2 GHz. This value is close to the estimated FMR frequency. The frequency tuning about 0.25 MHz was observed. It is due to the resonance magnetoelastic interaction in the YIG film that results in the AW phase shift in the whole structure. The second one was observed for non saturated region of magnetic fields from 0 to 100 Oe. The frequency range from 0.7 to 1 GHz corresponds magnetoelectric excitation of domain resonance modes.

  • Shear wave Vibro Magneto Acoustography for measuring tissue mimicking phantom elasticity and viscosity

    Estimating the rheological properties of soft tissues is a useful procedure to identify and evaluate pathologies in medical diagnosis. Quantification of soft tissue viscoelasticity can be achieved by generating and tracking shear wave propagation. Many ultrasound-based techniques have been used to evaluate the induced shear wave. The viscosity and elasticity can be measured by shear wave dispersion. The Magneto Motive Ultrasound induces motion within magnetically labeled tissue. This paper describes the Shear wave Dispersion Vibro Magneto Acoustography (SDVMA) technique for analysis and quantifying the viscoelasticity through shear wave propagation in gelatin phantoms labeled with ferromagnetic nanoparticles. Phantoms were excited applying an external magnetic field gradient and the movements induced in the internal phantom structure due to the interaction of the field with the particles were obtained through pulse-echo equipment ultrasound. The movement information were processed to get values of elasticity and viscosity of the medium.

  • Deep water magnetometer/tilt sensor

    This paper describes a deep water magnetometer with tilt sensing capabilities and a deployment depth of up to 6000 meters. Our goal was to develop a very high reliability sensor for integration into cabled acoustic systems. The telemetry is compatible with deep water acoustic sensors, allowing for a complete vertical array solution. The sensor allows for hard iron calibration, providing bearing readings within ±2° accuracy and pitch/roll readings within ±1° accuracy. Low profile, low cost, low power, high reliability, and proven telemetry interface are all key requirements for success. Our solution addresses each of these constraints.

  • Acousto-electrical speckle pattern in Electrical Impedance Tomography

    Lorentz Force Electrical Impedance Tomography (LFEIT) is a medical imaging technique of the tissue electrical impedance. It is based on the transmission of an ultrasound beam in a medium placed in a magnetic field, which induces an electrical current due to Lorentz force. The measurement of this current with electrodes allows to produce electrical impedance images with a spatial resolution close to ultrasound (US) imaging. The goal of this study is to assess the existence of an “acousto-electric speckle” in the LFEIT technique, by similarity to the US speckle.



Standards related to Magnetoacoustic Effects

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