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This article is cited in 2 scientific papers (total in 2 papers)
Semiconductors
Negative magnetoresistance phenomenon in diluted granular multilayers Co$_{80}$Fe$_{20}(t)$|Al$_2$O$_3$
A. El Oujdia, A. El Kaaouachib, A. Echchelha, B. Ait Hammoub, S. Dlimic, R. Tiskatinec a Laboratory of Energetic Engineering and Materials, Faculty of Sciences Ibn Tofail, Kenitra, Morocco
b MPAC group, Faculty of Sciences, BP 8106, 80000, Agadir, Morocco
c Physics department, Faculty of Sciences, 80000, Agadir, Morocco
Abstract:
Several complex theories explaining the phenomenon of negative magnetoresistance (NMR) are discussed, observed in insulating diluted granular multilayers Co$_{80}$Fe$_{20}(t)$|Al$_2$O$_3$. In fact, this investigation is re-analyzing the experimental measurements of Co$_{80}$Fe$_{20}$ with low nominal thickness $t$ = 0.7 mm of granular layers obtained by H.G. Silva et al. [18]. Two theories such as quantum interference model and localized magnetic moments model are confronted with experimental measurements in order to provide physical explanations to NMR phenomenon.
Keywords:
Co$_{80}$Fe$_{20}$, negative magnetoresistance, quantum interference, localized magnetic moments model, granular system, magnetic field.
Received: 06.11.2019 Revised: 22.12.2019 Accepted: 27.12.2019
Citation:
A. El Oujdi, A. El Kaaouachi, A. Echchelh, B. Ait Hammou, S. Dlimi, R. Tiskatine, “Negative magnetoresistance phenomenon in diluted granular multilayers Co$_{80}$Fe$_{20}(t)$|Al$_2$O$_3$”, Fizika Tverdogo Tela, 62:5 (2020), 788; Phys. Solid State, 62:5 (2020), 885–890
Linking options:
https://www.mathnet.ru/eng/ftt10191 https://www.mathnet.ru/eng/ftt/v62/i5/p788
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