On the Critical Size of the Transition of a Ferromagnet into a Single-Domain State
| Authors | Yu.O. Tykhonenko-Polishchuk, A.I. Tovstolytkin |
| Affiliations | Institute of Magnetism of the NAS of Ukraine and MES of Ukraine, 36b, Vernadsky Ave., 03680 Kyiv, Ukraine |
| Е-mail | |
| Issue | Volume 9, Year 2017, Number 2 |
| Dates | Received 14 March 2017; revised manuscript received 26 April 2017; published online 28 April 2017 |
| Citation | Yu.O. Tykhonenko-Polishchuk, A.I. Tovstolytkin, J. Nano- Electron. Phys. 9 No 2, 02028 (2017) |
| DOI | 10.21272/jnep.9(2).02028 |
| PACS Number(s) | 75.30.Gw, 75.75. – c, 81.07.Bc |
| Keywords | Ferromagnet (17) , Critical single-domain size, Single-domain state, Vortex state, Multidomain state, Exchange length, Magnetic hardness parameter, Soft magnet, Hard magnet. |
| Annotation | The analysis of approaches for determining the critical size of the transition of a ferromagnet into a single-domain state (dcr) was performed, and generalizations for the cases of magnetic materials with different types of anisotropy and for particles of elliptical shape were made. The criteria for the applicability of each of the analyzed approaches have been clarified. Typical errors that occur in the scientific literature for estimating dcr were identified. The dcr values for the most common ferromagnetic materials have been calculated, and the obtained results have been compared with the available experimental data. Data on the magnetic parameters of the most common ferromagnetic materials have been ordered and systematized. |
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List of References English version of article |
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