We have measured by X-ray resonant magnetic scattering the stripe domain nucleation field and the stripe domain critical width of FePd epitaxial films in a wide temperature range. A detailed quantitative analysis of our data in the framework of the rigorous theory of domain nucleation in thin films, allowed to determine the temperature dependence of both the exchange stiffness A and the anisotropy constant Ku. The proposed approach can be applied to thin magnetic films with perpendicular magnetic anisotropy, thus providing a way to measure A in a relevant class of magnetic materials.
Stripe domains nucleation observed by x-ray magnetic scattering: temperature variation of exchange and anisotropy / Mulazzi, Mattia; Chesnel, K.; Marty, A.; Asti, G.; Ghidini, M.; Solzi, M.; Belakhovsky, M.; Jaouen, N.; Tonnerre, J. M.; Sirotti, F.. - In: JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS. - ISSN 0304-8853. - 272-276:(2004), pp. E895-E897. [10.1016/j.jmmm.2003.12.1183]
Stripe domains nucleation observed by x-ray magnetic scattering: temperature variation of exchange and anisotropy
MULAZZI, MATTIA;G. Asti;M. Ghidini;M. Solzi;
2004-01-01
Abstract
We have measured by X-ray resonant magnetic scattering the stripe domain nucleation field and the stripe domain critical width of FePd epitaxial films in a wide temperature range. A detailed quantitative analysis of our data in the framework of the rigorous theory of domain nucleation in thin films, allowed to determine the temperature dependence of both the exchange stiffness A and the anisotropy constant Ku. The proposed approach can be applied to thin magnetic films with perpendicular magnetic anisotropy, thus providing a way to measure A in a relevant class of magnetic materials.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
