Generation of second harmonic in off-diagonal magneto-impedance in Co-based amorphous ribbons

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dc.creatorBuznikov, N. A.
dc.creatorYoon, S. S.
dc.creatorJin, L.
dc.creatorKim, C. O
dc.creatorKim, C. G.
dc.date2005-12-16
dc.date.accessioned2026-07-07T06:53:25Z
dc.date.available2026-07-07T06:53:25Z
dc.descriptionThe off-diagonal magneto-impedance in Co-based amorphous ribbons was measured using a pick-up coil wound around the sample. The ribbons were annealed in air or in vacuum in the presence of a weak magnetic field. The evolution of the first and second harmonics in the pick-up coil voltage as a function of the current amplitude was studied. At low current amplitudes, the first harmonic dominates in the frequency spectrum of the voltage, and at sufficiently high current amplitudes, the amplitude of the second harmonic becomes higher than that of the first harmonic. For air-annealed ribbons, the asymmetric two-peak behaviour of the field dependences of the harmonic amplitudes was observed, which is related to the coupling between the amorphous phase and surface crystalline layers appearing after annealing. For vacuum-annealed samples, the first harmonic has a maximum at zero external field, and the field dependence of the second harmonic exhibits symmetric two-peak behaviour. The experimental results are interpreted in terms of a quasi-static rotational model. It is shown that the appearance of the second harmonic in the pick-up coil voltage is related to the anti-symmetrical distribution of the transverse field induced by the current. The calculated dependences are in a qualitative agreement with the experimental data.
dc.description16 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0512375
dc.identifierhttp://arxiv.org/abs/cond-mat/0512375
dc.identifierJ. Phys. D: Appl. Phys. 39 (2006) 237
dc.identifierdoi:10.1088/0022-3727/39/2/001
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/105578
dc.subjectMaterials Science
dc.titleGeneration of second harmonic in off-diagonal magneto-impedance in Co-based amorphous ribbons
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