Direct observation of transverse and vortex metastable magnetic domains in cylindrical nanowires
We present experimental evidence of transverse magnetic domains, previously observed only in nanostrips, in CoNi cylindrical nanowires with designed crystal symmetry and tailored magnetic anisotropy. The transverse domains are found together with more conventional vortex domains along the same cylin...
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| Veröffentlicht in: | Physical review. B 2017-09, Vol.96 (12), Article 125415 |
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| container_title | Physical review. B |
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| creator | Bran, C. Fernandez-Roldan, J. A. Palmero, E. M. Berganza, E. Guzman, J. del Real, R. P. Asenjo, A. Fraile Rodríguez, A. Foerster, M. Aballe, L. Chubykalo-Fesenko, O. Vazquez, M. |
| description | We present experimental evidence of transverse magnetic domains, previously observed only in nanostrips, in CoNi cylindrical nanowires with designed crystal symmetry and tailored magnetic anisotropy. The transverse domains are found together with more conventional vortex domains along the same cylindrical nanowire, denoting a bistable system with similar energies. The surface and the inner magnetization distribution in both types of domains are analyzed by photoemission electron microscopy with x-ray magnetic circular dichroism contrast, and hysteresis loop in individual nanowires are measured by magneto-optical Kerr effect. These experimental data are understood and compared with complementary micromagnetic simulations. |
| doi_str_mv | 10.1103/PhysRevB.96.125415 |
| format | Article |
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A. ; Palmero, E. M. ; Berganza, E. ; Guzman, J. ; del Real, R. P. ; Asenjo, A. ; Fraile Rodríguez, A. ; Foerster, M. ; Aballe, L. ; Chubykalo-Fesenko, O. ; Vazquez, M.</creator><creatorcontrib>Bran, C. ; Fernandez-Roldan, J. A. ; Palmero, E. M. ; Berganza, E. ; Guzman, J. ; del Real, R. P. ; Asenjo, A. ; Fraile Rodríguez, A. ; Foerster, M. ; Aballe, L. ; Chubykalo-Fesenko, O. ; Vazquez, M.</creatorcontrib><description>We present experimental evidence of transverse magnetic domains, previously observed only in nanostrips, in CoNi cylindrical nanowires with designed crystal symmetry and tailored magnetic anisotropy. The transverse domains are found together with more conventional vortex domains along the same cylindrical nanowire, denoting a bistable system with similar energies. 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| subjects | Dichroism Hysteresis loops Kerr magnetooptical effect Magnetic anisotropy Magnetic domains Magnetic materials Magnetism Magnetisme Materials magnètics Nanowires Photoelectric emission Quantum field theory Teoria quàntica de camps |
| title | Direct observation of transverse and vortex metastable magnetic domains in cylindrical nanowires |
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