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UNIVERSITÀ DEGLI STUDI DI NAPOLI
``FEDERICO II''

FACOLTÀ DI INGEGNERIA

DOCTORATE THESIS IN ELECTRICAL ENGINEERING

NONLINEAR MAGNETIZATION DYNAMICS
IN THIN-FILMS AND NANOPARTICLES

Massimiliano d'Aquino

Tutors:
Prof. Giovanni Miano
Prof. Claudio Serpico

December 2004

Contents
3.3.1 Introduction
1. The Micromagnetic Model and The Dynamic Equation
2. Uniformly magnetized particles
3. Non-uniform Magnetization Dynamics in thin-films reversal processes
4. Geometric integration of Landau-Lifshitz-Gilbert equation
Conclusions and Outlook
A. Appendix A
- A.1 Main Properties of Ferromagnetic Materials
B. Appendix B
- B.1 Elliptic Functions
- B.2 Perturbative analysis of limit cycles in 2D dynamical systems
C. Appendix C
- C.1 Brief remarks on the mid-point rule numerical technique
Bibliography
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Massimiliano d'Aquino 2005-11-26