Littérature scientifique sur le sujet « Magnetisation Manipulation »
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Articles de revues sur le sujet "Magnetisation Manipulation"
Wang, Z., P. André, D. McLean, S. I. Brown, G. J. Florence et A. Cuschieri. « Intraluminal magnetisation of bowel by ferromagnetic particles for retraction and manipulation by magnetic probes ». Medical Engineering & ; Physics 36, no 11 (novembre 2014) : 1521–25. http://dx.doi.org/10.1016/j.medengphy.2014.07.013.
Texte intégralRohman, Lutfi, L. Musyarofah et Endhah Purwandari. « Study of A Phenomenon STT (Spin Transfer Torque) on the Material La0.7Sr0.3MnO3 Shaped Nanowire Using Micromagnetic Simulation ». Jurnal ILMU DASAR 18, no 2 (27 novembre 2017) : 133. http://dx.doi.org/10.19184/jid.v18i2.5911.
Texte intégralJalali, Milad, Qian Chen, Xuejian Tang, Qingjie Guo, Jian Liang, Xiaochao Zhou, Dong Zhang, Zhaocong Huang et Ya Zhai. « Modulation of Standing Spin Waves in Confined Rectangular Elements ». Materials 17, no 10 (16 mai 2024) : 2404. http://dx.doi.org/10.3390/ma17102404.
Texte intégralJohnson, Freya, Frederic Rendell‐Bhatti, Bryan D. Esser, Aisling Hussey, David W. McComb, Jan Zemen, David Boldrin et Lesley Cohen. « The Impact of Local Strain Fields in Non‐Collinear Antiferromagnetic Films ». Advanced Materials, 15 avril 2024. http://dx.doi.org/10.1002/adma.202401180.
Texte intégralLang, Martin, Swapneel Amit Pathak, Samuel J. R. Holt, Marijan Beg et Hans Fangohr. « Controlling stable Bloch points with electric currents ». Scientific Reports 13, no 1 (2 novembre 2023). http://dx.doi.org/10.1038/s41598-023-45111-5.
Texte intégralThèses sur le sujet "Magnetisation Manipulation"
Fan, Xiaofei. « Contrôle ultrarapide de l'aimantation dans des hétérostructures à base de VO₂ ». Electronic Thesis or Diss., Université de Lorraine, 2022. http://www.theses.fr/2022LORR0271.
Texte intégral(1) We have investigated the phase transition in ultrathin amorphous VO₂ and its physical mechanism: We have successfully prepared ultrathin (nano-scale) amorphous VO₂ films with significant phase transition by magnetron sputtering and demonstrated the phase transition of amorphous VO₂ - EGT. In addition, we quantitatively modeled the phase transition of amorphous VO₂ and classified different thicknesses of VO₂ into "strong system" (>5 nm) and "fragile system" (0-2 nm). For the strong system, the material properties are less affected by temperature, and the Arrhenius model is used to describe the electron transport of VO₂ phase transition. While for the fragile system, the material properties are more affected by temperature fluctuations, and the Vogel-Tammann-Fulcher model can be used for analysis. The results demonstrate the phase transition mechanism of amorphous materials and provide a new idea for understanding phase transition. In addition, this direct method of growing ultrathin VO₂ using magnetron sputtering is convenient and fast, and it can be grown in the same batch with other materials within the heterostructure, which is expected to promote the application of phase transition materials in practical devices.(2) We explored a method to dynamically regulate the interlayer exchange coupling by phase transition: we introduced the VO₂ into the ferromagnetic/nonmagneticspacer/ferromagnetic heterostructure, and successfully realized the reversible transformation of the antiferromagnetic coupling and ferromagnetic coupling through regulating conduction electrons by MIT of VO₂. At the same time, from the analysis of the change of magnetic properties, we clarify that the IEC induced by VO₂ in different electronic states is dominated by the RKKY and spin dependent tunneling. Furthermore, we fully investigate the physical root behind the regulation of IEC by the VO₂, and reveal the regulation mechanism of the interface spin effect by the regulation of electronic states of non-magnetic spacer. This part of the work proposes a novel approach to the dynamic regulation of IEC, which provides new ideas for the application of IEC in spintronic devices.(3) We study the dynamic regulation of spin-polarized hot electron transport by phase transition: In a ferrimagnetic/nonmagnetic diffusion channel/ferromagnetic heterostructure, we introduce VO₂ into the diffusion channel to control the electrical properties of the channel by MIT, and then dynamically regulate the transport of spin-polarized hot electrons generated by the ultrafast demagnetization of GdCo. By regulating the on/off of hot electrons in the channel, we achieve dynamic regulation of the magnetization of adjacent ferromagnetic layers. Meanwhile, with the optical property changes introduced by VO₂, we have successfully achieved the switching of the magnetization of ferromagnetic materials without AOS in ferrimagnetism excited by a single-pulse femtosecond laser. Furthermore, we have verified and analyzed the mechanism of this ultrafast modulation. In this work, we use the phase transition material VO₂ as a diffusion channel with controllable electrical properties to control the hot electron transport through MIT. The results show that the non-magnetic materials play an important role in various types of heterostructures
Chapitres de livres sur le sujet "Magnetisation Manipulation"
Chen, C. C., J. W. Chai, W. C. Shen, J. H. Chen, C. M. Chiang, S. K. Lee et H. N. Yeung. « Contrast manipulation of human brain tumours by magnetisation transfer and paramagnetic contrast medium ». Dans Proceedings of the XV Symposium Neuroradiologicum, 144–46. Berlin, Heidelberg : Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-79434-6_69.
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