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Relevant bibliographies by topics / Magnetoelectric mechanism

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Academic literature on the topic 'Magnetoelectric mechanism'

Author: Grafiati

Published: 4 June 2021

Last updated: 7 February 2022

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Journal articles on the topic "Magnetoelectric mechanism"

1

Shi, Zhan, Shu Wen Deng, Xiao Fei Li, et al. "Synchronous Characterization of Self-Bias Magnetoelectric Composite Materials." Materials Science Forum 815 (March 2015): 199–203. http://dx.doi.org/10.4028/www.scientific.net/msf.815.199.

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To investigate the mechanism of self-bias magnetoelectric effect in magnetoelectric composite materials, a synchronous characterization technique was developed to characterize the magnetoelectric effect, the magnetostrictive effect, and the magnetic hysteresis loop by one-time test. The results of a magnetoelectric composite consisting of hybrid ferromagnetic phases showed that the obvious magnetoelectric hysteresis behavior was found with significant self-bias magnetoelectric effect. In addition, after demagnetizing, the residual magnetic polarization became zero and the magnetoelectric effect disappeared at the same time. Since the ferromagnetic phases were separated from each other, the mechanism of self-bias magnetoelectric effect mainly resulted from static magnetic coupling instead of build-in magnetic field. It was concluded that the synchronous characterizing technique was quite helpful when analyzing the mechanism of magnetoelectric behavior.

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DONG, SHUXIANG. "REVIEW ON PIEZOELECTRIC, ULTRASONIC, AND MAGNETOELECTRIC ACTUATORS." Journal of Advanced Dielectrics 02, no. 01 (2012): 1230001. http://dx.doi.org/10.1142/s2010135x12300010.

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Piezoelectric actuators operating in piezoelectric-induced strain/stress or electromechanical resonance-induced vibration or wave-motion friction drive mechanism have shown many advantages over traditional electromagnetic motors, especially, when miniaturizing into millimeter-scale size, while magnetoelectric actuators operating in magnetostrictive mechanism are capable of piezoelectric self-sensing and remote operation under an applied magnetic field. This paper summarizes the recent progresses in piezoelectric ceramic and single crystal materials based actuators and micromotors, ferromagnetic/ferroelectric laminated magnetoelectric actuators, including rotary, linear, planner, and spherical motion actuators, and bending motion magnetoelectric actuators. Their driving mechanisms, operation properties, and applications are also explained.

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Kurkin, M. I., V. V. Men’shenin, V. V. Nikolaev, E. A. Turov, and N. B. Bakulina. "Magnetoelastic mechanism of magnetoelectric interaction." Physics of the Solid State 49, no. 7 (2007): 1310–14. http://dx.doi.org/10.1134/s1063783407070190.

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Mun, Eundeok, Jason Wilcox, Jamie L. Manson, Brian Scott, Paul Tobash, and Vivien S. Zapf. "The Origin and Coupling Mechanism of the Magnetoelectric Effect inTMCl2-4SC(NH2)2(TM= Ni and Co)." Advances in Condensed Matter Physics 2014 (2014): 1–4. http://dx.doi.org/10.1155/2014/512621.

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Most research on multiferroics and magnetoelectric effects to date has focused on inorganic oxides. Molecule-based materials are a relatively new field in which to search for magnetoelectric multiferroics and to explore new coupling mechanisms between electric and magnetic order. We present magnetoelectric behavior in NiCl2-4SC(NH2)2(DTN) and CoCl2-4SC(NH2)2(DTC). These compounds form tetragonal structures where the transition metal ion (Ni or Co) is surrounded by four electrically polar thiourea molecules [SC(NH2)2]. By tracking the magnetic and electric properties of these compounds as a function of magnetic field, we gain insights into the coupling mechanism by observing that, in DTN, the electric polarization tracks the magnetic ordering, whereas in DTC it does not. For DTN, all electrically polar thiourea molecules tilt in the same direction along thec-axis, breaking spatial-inversion symmetry, whereas, for DTC, two thiourea molecules tilt up and two tilt down with respect toc-axis, perfectly canceling the net electrical polarization. Thus, the magnetoelectric coupling mechanism in DTN is likely a magnetostrictive adjustment of the thiourea molecule orientation in response to magnetic order.

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Лалетин, В. М., Д. А. Филиппов та К. И. Янушкевич. "Анизотропия магнитоэлектрических свойств объемных композитов феррит-пьезоэлектрик". Журнал технической физики 89, № 5 (2019): 675. http://dx.doi.org/10.21883/jtf.2019.05.47467.156-18.

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AbstractThe anisotropy of magnetoelectric properties of lead zirconate–titanate and nickel ferrite based bulk composites has been experimentally studied. It has been shown that a ratio of longitudinal to transverse magnetoelectric coefficients is affected by the piezoelectric constant of a composite. The mechanism that explains the obtained dependences has been suggested; the mechanism is based on the assumption that the anisotropy of magnetic properties is caused by the deformation occurring at electric polarization of a sample.

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Bichurin, M. I., and D. A. Filippov. "Microscopic mechanism of magnetoelectric effect in microwave range." Ferroelectrics 204, no. 1 (1997): 225–32. http://dx.doi.org/10.1080/00150199708222203.

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Hohenberger, Stefan, Johanna K. Jochum, Margriet J. Van Bael, et al. "Enhanced Magnetoelectric Coupling in BaTiO3-BiFeO3 Multilayers—An Interface Effect." Materials 13, no. 1 (2020): 197. http://dx.doi.org/10.3390/ma13010197.

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Combining various (multi-)ferroic materials into heterostructures is a promising route to enhance their inherent properties, such as the magnetoelectric coupling in BiFeO3 thin films. We have previously reported on the up-to-tenfold increase of the magnetoelectric voltage coefficient α ME in BaTiO3-BiFeO3 multilayers relative to BiFeO3 single layers. Unraveling the origin and mechanism of this enhanced effect is a prerequisite to designing new materials for the application of magnetoelectric devices. By careful variations in the multilayer design we now present an evaluation of the influences of the BaTiO3-BiFeO3 thickness ratio, oxygen pressure during deposition, and double layer thickness. Our findings suggest an interface driven effect at the core of the magnetoelectric coupling effect in our multilayers superimposed on the inherent magnetoelectric coupling of BiFeO3 thin films, which leads to a giant α ME coefficient of 480 Vc m − 1 Oe − 1 for a 16 × (BaTiO3-BiFeO3) superlattice with a 4.8 nm double layer periodicity.

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Ding, L. J., and Y. Zhong. "A theoretical insight into an isentropic strategy for enhancing magnetoelectric coupling of organic multiferroics." Physical Chemistry Chemical Physics 20, no. 30 (2018): 20228–34. http://dx.doi.org/10.1039/c8cp03534b.

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Castro, Nelson, Margarida M. Fernandes, Clarisse Ribeiro, Vítor Correia, Rikardo Minguez, and Senentxu Lanceros-Méndez. "Magnetic Bioreactor for Magneto-, Mechano- and Electroactive Tissue Engineering Strategies." Sensors 20, no. 12 (2020): 3340. http://dx.doi.org/10.3390/s20123340.

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Biomimetic bioreactor systems are increasingly being developed for tissue engineering applications, due to their ability to recreate the native cell/tissue microenvironment. Regarding bone-related diseases and considering the piezoelectric nature of bone, piezoelectric scaffolds electromechanically stimulated by a bioreactor, providing the stimuli to the cells, allows a biomimetic approach and thus, mimicking the required microenvironment for effective growth and differentiation of bone cells. In this work, a bioreactor has been designed and built allowing to magnetically stimulate magnetoelectric scaffolds and therefore provide mechanical and electrical stimuli to the cells through magnetomechanical or magnetoelectrical effects, depending on the piezoelectric nature of the scaffold. While mechanical bioreactors need direct application of the stimuli on the scaffolds, the herein proposed magnetic bioreactors allow for a remote stimulation without direct contact with the material. Thus, the stimuli application (23 mT at a frequency of 0.3 Hz) to cells seeded on the magnetoelectric, leads to an increase in cell viability of almost 30% with respect to cell culture under static conditions. This could be valuable to mimic what occurs in the human body and for application in immobilized patients. Thus, special emphasis has been placed on the control, design and modeling parameters governing the bioreactor as well as its functional mechanism.

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Scarrozza, Marco, Paolo Barone, Roberta Sessoli, and Silvia Picozzi. "Magnetoelectric coupling and spin-induced electrical polarization in metal–organic magnetic chains." Journal of Materials Chemistry C 4, no. 19 (2016): 4176–85. http://dx.doi.org/10.1039/c5tc03613e.

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Dissertations / Theses on the topic "Magnetoelectric mechanism"

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Svoboda, Pavel. "Laserový projektor." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2015. http://www.nusl.cz/ntk/nusl-221116.

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The aim of this thesis is to create a system, which draws the graphics with the help of a set laser project and eventually is able to synthetize several coloured rays and thus realise a multicolour drawing. The whole system is controlled by a Raspberry PI microcomputer and the data is sent to it from a PC via an Ethernet cable. The transmission of the projector device was identified and possible ways of improving the device were suggested. The results of this thesis allow creation of a multi-coloured vector picture, transferring it into the device and depiction on the project desktop. The whole device can therefore be used for example for the purpose of a presentation.

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Partzsch, Sven. "Magnetoelectric Coupling Mechanisms in YMn2-xFexO5 and NdFe3(BO3)4 Revealed by Resonant X-ray Diffraction." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-138793.

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Multiferroic materials with a coupled ordering of electric and magnetic moments could be used to build energy-efficient, magnetic computer memory that is written with an electrical field. To understand the interaction between the magnetic and electric ordering in such materials, two examples, namely yttrium manganate YMn2O5 and neodymium iron borate NdFe3(BO3)4, are studied by means of resonant x-ray diffraction. The important role of a pure electronic contribution to the ferroelectric polarization is shown in YMn2O5. Furthermore, substitution of Fe can change the magnetic order of YMn2O5 from antiferromagnetic into ferrimagnetic, allowing the storage of easily readable magnetic information. Therefore the change of the magnetic structure upon small Fe substitution is studied. Although most of the magnetic structure of the parent compound is kept, the Fe moments have larger components along the c-direction. In NdFe3(BO3)4 the microscopic origin of the magnetoelectric coupling is addressed as the consequence of the frustration of the Fe and Nd magnetic sublattices. The application of an electrical field shifts the balance from the helical to the collinear magnetic domains, revealing again the strong magnetoelectric coupling<br>Multiferroische Materialien mit einer starken magnetoelektrischen Kopplung können als energieeffizienter, magnetischer Speicher benutzt werden, welcher mit einem elektrischen Feld geschrieben wird. Um die Wechselwirkung der elektrischen mit der magnetischen Ordnung in solchen Materialien zu verstehen, werden hier zwei Beispiele, nämlich Yttriummanganat YMn2O5 und Neodymeisenborat NdFe3(BO3)4, mit resonanter Röntgenbeugung untersucht. In YMn2O5 wird die wichtige Rolle eines rein elektronischen Beitrags zur ferroelektrischen Polarisation gezeigt. Um die magnetische Struktur von YMn2O5 von antiferromagnetisch zu ferrimagnetisch zu verändern, kann Fe substituiert werden. Dies ermöglicht es, leicht zu lesende, magnetische Informationen zu speichern. Daher wurde die Änderung der magnetischen Struktur bei leichter Fe Substituierung untersucht. Auch wenn die magnetische Struktur von Fe im wesentlichen der magnetischen Struktur von Mn folgt, haben die Fe Momente größere Komponenten entlang der c-Richtung. In NdFe3(BO3)4 wird der Ursprung der starken magnetischen Kopplung als Folge der Frustration des Nd und Fe Untergitters erklärt. Das Anlegen eines elektrischen Feldes führt zur Verschiebung des Gleichgewichts von den helikalen zu den kollinearen magnetischen Domänen, welches wieder die starke magnetoelektrische Kopplung veranschaulicht

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Partzsch, Sven [Verfasser], Bernd [Akademischer Betreuer] Büchner, Jochen [Akademischer Betreuer] Geck, and Christian [Akademischer Betreuer] Schroer. "Magnetoelectric Coupling Mechanisms in YMn2-xFexO5 and NdFe3(BO3)4 Revealed by Resonant X-ray Diffraction / Sven Partzsch. Gutachter: Bernd Büchner ; Christian Schroer. Betreuer: Bernd Büchner ; Jochen Geck." Dresden : Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2014. http://d-nb.info/1068446099/34.

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Partzsch, Sven. "Magnetoelectric Coupling Mechanisms in YMn2-xFexO5 and NdFe3(BO3)4 Revealed by Resonant X-ray Diffraction." Doctoral thesis, 2013. https://tud.qucosa.de/id/qucosa%3A26731.

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Multiferroic materials with a coupled ordering of electric and magnetic moments could be used to build energy-efficient, magnetic computer memory that is written with an electrical field. To understand the interaction between the magnetic and electric ordering in such materials, two examples, namely yttrium manganate YMn2O5 and neodymium iron borate NdFe3(BO3)4, are studied by means of resonant x-ray diffraction. The important role of a pure electronic contribution to the ferroelectric polarization is shown in YMn2O5. Furthermore, substitution of Fe can change the magnetic order of YMn2O5 from antiferromagnetic into ferrimagnetic, allowing the storage of easily readable magnetic information. Therefore the change of the magnetic structure upon small Fe substitution is studied. Although most of the magnetic structure of the parent compound is kept, the Fe moments have larger components along the c-direction. In NdFe3(BO3)4 the microscopic origin of the magnetoelectric coupling is addressed as the consequence of the frustration of the Fe and Nd magnetic sublattices. The application of an electrical field shifts the balance from the helical to the collinear magnetic domains, revealing again the strong magnetoelectric coupling.<br>Multiferroische Materialien mit einer starken magnetoelektrischen Kopplung können als energieeffizienter, magnetischer Speicher benutzt werden, welcher mit einem elektrischen Feld geschrieben wird. Um die Wechselwirkung der elektrischen mit der magnetischen Ordnung in solchen Materialien zu verstehen, werden hier zwei Beispiele, nämlich Yttriummanganat YMn2O5 und Neodymeisenborat NdFe3(BO3)4, mit resonanter Röntgenbeugung untersucht. In YMn2O5 wird die wichtige Rolle eines rein elektronischen Beitrags zur ferroelektrischen Polarisation gezeigt. Um die magnetische Struktur von YMn2O5 von antiferromagnetisch zu ferrimagnetisch zu verändern, kann Fe substituiert werden. Dies ermöglicht es, leicht zu lesende, magnetische Informationen zu speichern. Daher wurde die Änderung der magnetischen Struktur bei leichter Fe Substituierung untersucht. Auch wenn die magnetische Struktur von Fe im wesentlichen der magnetischen Struktur von Mn folgt, haben die Fe Momente größere Komponenten entlang der c-Richtung. In NdFe3(BO3)4 wird der Ursprung der starken magnetischen Kopplung als Folge der Frustration des Nd und Fe Untergitters erklärt. Das Anlegen eines elektrischen Feldes führt zur Verschiebung des Gleichgewichts von den helikalen zu den kollinearen magnetischen Domänen, welches wieder die starke magnetoelektrische Kopplung veranschaulicht.

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Gao, Yang 1987. "Second order semiclassical theory of Bloch electrons in uniform electromagnetic fields." Thesis, 2012. http://hdl.handle.net/2152/27209.

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Berry curvature appears in the semi-classical theory of Bloch electrons already to first order in electromagnetic fields, resulting in profound modification of the carrier velocity and phase space density of states. Here we derive the equations of motion for the physical position and crystal momentum to second order in the fields. The dynamics still has a Hamiltonian structure, albeit with noncanonical Poisson brackets between the physical variables. We are able to expand both the carrier energy and the Poisson brackets to second order in the fields with terms of clear physical meaning. To demonstrate the utility of our theory, we obtain with much ease the electromagnetic response and orbital magnetic susceptibility.<br>text

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Book chapters on the topic "Magnetoelectric mechanism"

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Zhu, Haibo, Huadong Song, Xiaoting Guo, et al. "Design and Application of a Magnetoelectric Composite Sensor for Pipeline Defect Detection." In Studies in Applied Electromagnetics and Mechanics. IOS Press, 2020. http://dx.doi.org/10.3233/saem200013.

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Nowadays, there are 160000 kilometers of pipelines in China. How to get more pipeline information in pipeline integrity management is a vitally important research topic. This paper designs a magnetoelectric composite sensor which is suitable for the non-destructive detection of the buried pipeline. according to the defect characteristics. this paper introduces the working principle, structure and characteristics of the composite sensor. Combined with the advantages of the magnetic sensor which is sensitive to the volume defects of the tube wall and the high frequency eddy current sensor which is sensitive to the near-surface defects of the tube wall on the principle of magnetic flux leakage, it realizes the identification and evaluation of the inner and outer wall defects of the tube wall. In this paper, the pipeline in the traction test field is taken as the test object. The test results show that there are 37 defects picked up by the magnetic sensor and 19 defects judged by the eddy current sensor.

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Conference papers on the topic "Magnetoelectric mechanism"

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Lin, Hwaider, Mohsen Zaeimbashi, Neville Sun, et al. "Future Antenna Miniaturization Mechanism: Magnetoelectric Antennas." In 2018 IEEE/MTT-S International Microwave Symposium - IMS 2018. IEEE, 2018. http://dx.doi.org/10.1109/mwsym.2018.8439678.

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Yang, C., P. Li, Y. Wen, et al. "Enhanced sensitivity in FeCuNbSiB/FeGa/PZT laminate magnetoelectric sensor with up-conversion mechanism by square wave modulation." In 2015 IEEE International Magnetics Conference (INTERMAG). IEEE, 2015. http://dx.doi.org/10.1109/intmag.2015.7157127.

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Rodzinski, Alexandra, Ali Hadjikhani, Tiffanie Stewart, et al. "Abstract B47: A novel mechanism for field-controlled high-specificity targeted anticancer drug delivery and on-demand release using magnetoelectric nanoparticles." In Abstracts: Fourth AACR International Conference on Frontiers in Basic Cancer Research; October 23-26, 2015; Philadelphia, PA. American Association for Cancer Research, 2016. http://dx.doi.org/10.1158/1538-7445.fbcr15-b47.

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Tatevosyan, Andrey A., and Aleksandr S. Tatevosyan. "Calculation of magnetic system of the magnetoelectric machines." In 2014 Dynamics of Systems, Mechanisms and Machines (Dynamics). IEEE, 2014. http://dx.doi.org/10.1109/dynamics.2014.7005698.

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Tatevosyan, Andrey A., Vladimir S. Mischenko, and Anastasiya A. Luckacheva. "Experimental study of a low-speed magnetoelectric generator." In 2017 Dynamics of Systems, Mechanisms and Machines (Dynamics). IEEE, 2017. http://dx.doi.org/10.1109/dynamics.2017.8239517.

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Poteralski, Arkadiusz, and Grzegorz Dziatkiewicz. "Artificial immune system for effective properties optimization of magnetoelectric composites." In COMPUTER METHODS IN MECHANICS (CMM2017): Proceedings of the 22nd International Conference on Computer Methods in Mechanics. Author(s), 2018. http://dx.doi.org/10.1063/1.5019149.

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Tatevosyan, Andrey A. "The calculation of the magnetic field of the synchronous magnetoelectric generator." In 2016 Dynamics of Systems, Mechanisms and Machines (Dynamics). IEEE, 2016. http://dx.doi.org/10.1109/dynamics.2016.7819095.

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