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Interlayer Coupling in Co/Ti/(Gd--Co)/Ti Artificial Layered Ferrimagnet |
| A. V. Svalov1,2;A. Fernández2;V. O. Vas’kovskiy1;M. Tejedor2;R. Lopez Anton3;J. M. Barandiarán3;G. V. Kurlyandskaya3 |
| 1Institute of Physics and Applied Mathematics, Ural State University, Lenin Avenue 51, 620083, Ekaterinburg, Russia
2Departamento de Fí sica, Universidad de Oviedo, Avenida Calvò Sotelo s/n, 33007, Oviedo, Asturias, Spain
3Departamento de Electricidad y Electrònica, Facultad de Ciencia y Tecnologí a, Universidad del Paí s Vasco, UPV/EHU, PO Box 644, 48080, Bilbao, Spain |
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| Cite this article: |
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A. V. Svalov, A. Fernández, V. O. Vas’kovskiy et al 2005 Chin. Phys. Lett. 22 3169-3172 |
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Abstract The magnetic properties and the structure of [Co/Ti/Gd0.36Co0.64/Ti]4/Co multilayers are investigated by means of torque magnetometer, vibrating sample magnetometer and transverse magneto-optic Kerr effect (TMOKE) measurements and the atomic force microscopy. Due to interlayer exchange interaction, Co and Gd--Co layers form a macroscopic ferrimagnetic system. The change in the sign of the TMOKE hysteresis loops near the compensation temperature and field induced magnetic phase transitions are found. The latter can be characterized by a critical field which shows a linear variation with the temperature. The magnetic properties of these multilayers from many points of view are similar to those of bulk ferrimagnets.
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Published: 01 December 2005
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| PACS: |
75.70.-i
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(Magnetic properties of thin films, surfaces, and interfaces)
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75.70.-g
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