Flat magnetic exchange springs as mechanism for additional magnetoresistance in magnetic nanoisland arrays

Autor: D.A. Egorov, A. P. Boltaev, A.M. Kozmin, F. A. Pudonin, I. A. Sherstnev
Rok vydání: 2017
Předmět:
Zdroj: Journal of Magnetism and Magnetic Materials. 428:132-135
ISSN: 0304-8853
DOI: 10.1016/j.jmmm.2016.12.028
Popis: Process of magnetization and magnetoresistance have been studied in nanoisland bilayer systems of FeNi-Co. Hysteresis loops show characteristic features (steps) most clearly observed in certain orientations of the sample in a magnetic field. To explain these features the concept of flat magnetic exchange spring has been introduced for nanoisland bilayers. It has been proposed that additional magnetoresistance can be the result of spin-dependent scattering of electrons in the area of flat magnetic exchange spring. Magnetoresistance studies of bilayer systems has shown that additional magnetoresistance occurs at the same magnetic fields as steps on hysteresis loops.
Databáze: OpenAIRE