This work has been carried under the financial support of the Spanish MEC and MICINN (grants MAT2004-05348-C04, MAT2007-66719-C03 and FUNCOAT Consolider CSD2008-00023). Ministerio de Educación y Ciencia, Programa de Acciones Integradas (HP2007-0115) ICMM-Universidade de Aveiro (Prof. Nikolai A. Sobolev, Departamento de Física). The ESRF for provision of synchrotron radiation facilities and the Spanish Ministry of Education and Science (MEC) and Spanish National Research Council (CSIC) for financial support of the BM25 beamline operation, as well as the beamline staff for technical assistance and discussions. The Advanced Light Source for provision of synchrotron radiation facilities and the Director, Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy under Contract No. DEAC02- 05CH11231, for the financial support of the beamlines 6.1.2 and 11.0.2 as well as the beamlines (Prof. Peter Fischer and Prof. Tolek Tyliszczak).

[ES] En esta tesis se muestra la capacidad de fabricar láminas delgadas y nanoestructuras de alta calidad, que ofrecen una oportunidad única de estudiar procesos de imanación en sistemas modelo. La optimización de los par ametros utilizados en cada uno de los diferentes procesos de fabricación ha permitido producir redes de líneas y antidots cuyas propiedades magnéticas dependen casi exclusivamente de sus características morfol ogicas y sus dimensiones, con una mínima influencia de las imperfecciones inherentes a los diferentes procesos de fabricación.

[EN] In this thesis has shown the ability to produce high quality thin films and nanostructures offering a unique opportunity to study them as model systems. Although different fabrication processes were employed, the optimization of the parameters along each one of them allowed to produce arrays of nanowires and antidots whose magnetic properties depend almost exclusively on their morphology and characteristic dimensions, with minimum in uence of the imperfections inherent to the different fabrication routes.

218 páginas.-- Memoria elaborada en el Instituto de Ciencias de Materiales de Madrid(ICMM) del CSIC y presentada para optar al grado de Doctor en Ciencias Físicas por Elvira Paz Pérez de Colosía, siendo tutor de la tesis D. Sebastián Vieira Díaz.

Peer reviewed