Zobrazeno 1 - 10
of 16
pro vyhledávání: '"M B Lyakhova"'
Autor:
N. Yu. Sdobnyakov, A. Yu. Karpenkov, D. V. Ivanov, M. B. Lyakhova, A. I. Ivanova, Yu. V. Kuznetsova, A.S. Antonov, E. M. Semenova, D. Yu. Karpenkov
Publikováno v:
Bulletin of the Russian Academy of Sciences: Physics. 85:955-958
Results are presented from an analysis of the nano- and magnetic domain structures of high coercive Sm(CoCuFe)5 alloy using fractal geometry. Fractal dimension Df of the nano- and domain structures are determined at different stages of heat treatment
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::22cc43142e16d69bfe3a7c775adda9a1
https://doi.org/10.3103/s1062873821090252
https://doi.org/10.3103/s1062873821090252
Autor:
Alexey Yu. Karpenkov, Artem I. Sinkevich, M. B. Lyakhova, Yuriy G. Pastushenkov, E. M. Semenova
Publikováno v:
IEEE Magnetics Letters. 11:1-5
The magnetic domain structure of Y2(Fe $_{x}$ Co1– $_{x}$ )17 (0.03 $ x $ $x$ = 0.07 − 0.5, the surface magnetic domain structure of the single crystals reveals domains with typical uniaxial magnetocrystalline anisotropy configuration. The values
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::952a97614c05b903302ba0e5283874b2
https://doi.org/10.1109/lmag.2020.2968413
https://doi.org/10.1109/lmag.2020.2968413
Publikováno v:
Journal of Physics D: Applied Physics. 55:455002
The performance of sintered permanent magnets with nucleation-type coercivity mechanism is largely governed by the magnetic state of thin surface layers of constituent grains, and a deeper insight into magnetization–demagnetization processes occurr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::167fc1bc65e28cf5c2e46fc719b6c776
https://doi.org/10.1088/1361-6463/ac90d2
https://doi.org/10.1088/1361-6463/ac90d2
Publikováno v:
Metal Science and Heat Treatment. 60:494-497
A methodology for investigation of processes of reversal magnetization of nano-heterogeneous high-coercivity magnets of the Sm – Co – Fe – Cu – Zr system at high (600 – 850°C) temperatures by analyzing “frozen” domains at room temperat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0e53a1a4f3e91331038a388406d54087
https://doi.org/10.1007/s11041-018-0307-1
https://doi.org/10.1007/s11041-018-0307-1
Autor:
D. Yu. Karpenkov, M. B. Lyakhova, A. Yu. Karpenkov, K. E. Akimova, E. M. Semenova, O. V. Zhdanova
Publikováno v:
Metal Science and Heat Treatment. 60:534-538
The method of slow cooling from melting temperature is used to obtain coarse-grain ingots of (FexCo1 – x)2B with columnar structure. It is shown that at room temperature the configuration of the domain structure of the specimens of (FexCo1 – x)2B
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::315bb002fdac8eda1c1371c9ae99e82e
https://doi.org/10.1007/s11041-018-0314-2
https://doi.org/10.1007/s11041-018-0314-2
Publikováno v:
Metal Science and Heat Treatment. 58:594-598
Magnetic domain structure is studied in single crystals of R2Fe17 (R = Tb, Dy, Ho, Er) intermetallic compounds in a wide range of temperatures (10 – 300 K) and magnetic fields (μ0 H = 0 – 0.1 T). It is shown that single crystal specimens of hexa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e38812cbf23b4c7741e17f96512ac1d4
https://doi.org/10.1007/s11041-017-0061-9
https://doi.org/10.1007/s11041-017-0061-9
Autor:
O. V. Zhdanova, M. B. Lyakhova
Publikováno v:
Metal Science and Heat Treatment. 58:587-593
Theoretical analysis of the processes of magnetization of uniaxial ferromagnetic materials is performed within the Neel theory of magnetic phases. Relations are obtained for the constants of magnetic crystal anisotropy K 1, K 2, the form factor N, an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::721e7fd3c19366d3df7a10d8498db71d
https://doi.org/10.1007/s11041-017-0060-x
https://doi.org/10.1007/s11041-017-0060-x
Publikováno v:
Materials Science Forum. 845:46-49
The study of microstructures and nanostructures of RCoCuFeZr (R=Sm, Gd) heterogeneous alloys at different stages of the thermal treatments were carried out. All samples in high coercivity condition consist of three types of micro-sized areas with dif
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c654fdc3fd2485b4ea7b0f8e3a7b71b4
https://doi.org/10.4028/www.scientific.net/msf.845.46
https://doi.org/10.4028/www.scientific.net/msf.845.46
Autor:
N. Yu. Sdobnyakov, A.S. Antonov, E. M. Semenova, Yu. V. Kuznetsova, M. B. Lyakhova, D.Yu. Karpenkov, D. V. Ivanov, A. I. Ivanova, A. Yu. Karpenkov
Publikováno v:
Journal of Physics: Conference Series. 1658:012050
The results of the micro- and nanostructures investigation of Sm(CoCuFe)5 alloys by means of scanning electron and atomic force microscopy are presented. It was shown that sequential high- and low-temperature heat treatments lead to the formation of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a002a8a3b483159cb60e3f8ad36c727
https://doi.org/10.1088/1742-6596/1658/1/012050
https://doi.org/10.1088/1742-6596/1658/1/012050
Publikováno v:
Metal Science and Heat Treatment. 56:602-608
Hysteresis loops of cast specimens of R0.85Zr0.15(Co0.70Cu0.09Fe0.21) z (R = Sm, Gd) are measured in the temperature range of 20 – 600°C. The temperature dependences of their magnetic characteristics are plotted. The microstructure and the rearran
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1b2edfb00028788bde7637415a7f42b1
https://doi.org/10.1007/s11041-015-9807-4
https://doi.org/10.1007/s11041-015-9807-4