Geodesic
Magneto-optical Kerr effect and magnetization structure of permalloy microparticles under mechanical stress
Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki, Uchenye Zapiski Kazanskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki, Tome 160 (2018) no. 1, pp. 135-144

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In this work, changes in the domain structure of planar permalloy microparticles under mechanical stress have been studied. For this purpose, an array of particles under mechanical stress has been formed on the silicon substrate. In addition, samples with an array of unstressed particles have been made. Using the samples, the magnetic structure has been visualized by magnetic force microscopy and hysteresis loops have been obtained by the method of magneto-optical Kerr effect. It has been found that an easy magnetization axis appears in the stressed samples due to uniaxial anisotropy caused by the mechanical stress of the particles. The axis direction coincides with the direction of particle compression. At the same time, the distribution of magnetization observed in the unstressed particles is determined mainly by the shape anisotropy.
Keywords: magnetoelastic effect, magnetic-force microscopy, magneto-optical Kerr effect, permalloy.
Mots-clés : ferromagnetic microparticles 
@article{UZKU_2018_160_1_a13,
     author = {T. F. Khanipov and D. A. Bizyaev and A. A. Bukharaev and V. V. Chirkov and A. P. Chuklanov and N. I. Nurgazizov},
     title = {Magneto-optical {Kerr} effect and magnetization structure of permalloy microparticles under mechanical stress},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {135--144},
     publisher = {mathdoc},
     volume = {160},
     number = {1},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_2018_160_1_a13/}
}
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T. F. Khanipov; D. A. Bizyaev; A. A. Bukharaev; V. V. Chirkov; A. P. Chuklanov; N. I. Nurgazizov. Magneto-optical Kerr effect and magnetization structure of permalloy microparticles under mechanical stress. Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki, Uchenye Zapiski Kazanskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki, Tome 160 (2018) no. 1, pp. 135-144. http://geodesic.mathdoc.fr/item/UZKU_2018_160_1_a13/