Abstract
The change in the magnetic domain structure due to the proximity of a superconductor has been experimentally investigated for the first time. The complex character of magnetization reversal at temperatures below critical, caused by the mutual long-range effect of a superconductor and a magnet, has been shown. In particular, it is found that even magnetization reversal of the heterostructure by an in-plane field leads to the formation of Abrikosov vortices in the superconductor, carrying a flux perpendicularly to the film plane. It is shown that this is a consequence of the transformation of narrow domain walls into wide stripes due to the interaction with scattering fields from the superconductor. In turn, after penetration of the magnetic flux into the superconductor at some depth, the scattering fields cause backward magnetization reversal of the external film edge, as a result of which vortices with oppositely directed fluxes enter the crystal and propagate in the superconductor bulk in the form of chains along twins, as in the case of magnetization by a perpendicular magnetic field. Thus, at longitudinal magnetization, the flux enters the superconducting film in the form of wide stripes with alternating perpendicular induction, which is explained by the long-range interaction of the scattering fields of the superconductor with the manganite magnetization.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
Buzdin, A.I., Rev. Mod. Phys., 2005, vol. 77, p. 935.
Gu, J.Y., You, C.Y., Jiang, J.S., et al., Phys. Rev. Lett., 2002, vol. 89, 267 001.
Rusanov, A.Yu., Hesselberth, M., Aarts, J., and Buzdin, A.I., Phys. Rev. Lett., 2004, vol. 93, 057 002.
Vodolazov, D.Y., Gribkov, B.A., Gusev, S.A., et al., Phys. Rev. B: Condens. Matter Mater. Phys., 2005, vol. 72, 064 509.
Aumentado, J. and Chandrasekhar, V., Phys. Rev. B: Condens. Matter Mater. Phys., 2001, vol. 64, 054 505.
Ryazanov, V.V., Oboznov, V.A., Rusanov, A.Yu., et al., Phys. Rev. Lett., 2001, vol. 86, p. 2427.
Ryazanov, V.V., Oboznov, V.A., Veretennikov, A.V., and Rusanov, A.Yu., Phys. Rev. B: Condens. Matter Mater. Phys., 2001, vol. 65, 020 501.
Touitou, N., Bernstein, P., Hamet, J.F., et al., Appl. Phys. Lett., 2004, vol. 85, p. 1742.
Laviano, F., Gozzelino, L., Mezzetti, E., et al., Appl. Phys. Lett., 2005, vol. 86, 152 501.
Nurgaliev, T., Blagoev, B., Donchev, T., et al., J. Phys.: Conf. Ser, 2006, vol. 43, p. 329.
Peña, V., Visani, C., Garcia-Barriocanal, J., et al., Phys. Rev. B: Condens. Matter Mater. Phys., 2006, vol. 73, 104 513.
Stamopoulos, D. and Pissas, M., Phys. Rev. B: Condens. Matter Mater. Phys., 2006, vol. 73, 132 502.
Khapikov, A., Uspenskaya, L., and Bdikin, I., Appl. Phys. Lett., 2000, vol. 77, p. 2376.
Junga, G., Markovich, V., Mogilyanskia, D., et al., J. Magn. Magn. Mater., 2005, vol. 290–291, p. 902.
Jooss, Ch., Albrecht, J., Kuhn, H., et al., Rep. Prog. Phys., 2002, vol. 65, p. 651.
Vlasko-Vlasov, V.K., Lin, Y.K., Miller, D.J., et al., Phys. Rev. Lett., 2000, vol. 84, p. 2239.
Aranson, I., Gurevich, A., Welling, M., et al., Phys. Rev. Lett., 2005, vol. 94, 037 002.
Author information
Authors and Affiliations
Corresponding author
Additional information
Original Russian Text © L.S. Uspenskaya, T. Nurgaliev, B. Blagoev, T. Donchev, S. Miteva, 2008, published in Izvestiya Rossiiskoi Akademii Nauk. Seriya Fizicheskaya, 2008, Vol. 72, No. 4, pp. 572–574.
About this article
Cite this article
Uspenskaya, L.S., Nurgaliev, T., Blagoev, B. et al. Features of magnetization reversal in LCMO/YBCO heterostructures. Bull. Russ. Acad. Sci. Phys. 72, 540–542 (2008). https://doi.org/10.3103/S1062873808040266
Published:
Issue Date:
DOI: https://doi.org/10.3103/S1062873808040266