Scalera, Valentino
(2020)
Fast and ultrafast nonlinear magnetization dynamics in magnetic storage technologies.
[Tesi di dottorato]
| Item Type: |
Tesi di dottorato
|
| Lingua: |
English |
| Title: |
Fast and ultrafast nonlinear magnetization dynamics in magnetic storage technologies |
| Creators: |
| Creators | Email |
|---|
| Scalera, Valentino | valentino.scalera@unina.it |
|
| Date: |
8 March 2020 |
| Number of Pages: |
143 |
| Institution: |
Università degli Studi di Napoli Federico II |
| Department: |
Ingegneria Elettrica e delle Tecnologie dell'Informazione |
| Dottorato: |
Information technology and electrical engineering |
| Ciclo di dottorato: |
32 |
| Coordinatore del Corso di dottorato: |
| nome | email |
|---|
| Riccio, Daniele | daniele.riccio@unina.it |
|
| Tutor: |
| nome | email |
|---|
| Serpico, Claudio | UNSPECIFIED |
|
| Date: |
8 March 2020 |
| Number of Pages: |
143 |
| Uncontrolled Keywords: |
Ultrafast dynamics, Micromagnetics, Nonlinear Magnetization Dynamics |
| Settori scientifico-disciplinari del MIUR: |
Area 09 - Ingegneria industriale e dell'informazione > ING-IND/31 - Elettrotecnica |
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| Date Deposited: |
05 Apr 2020 14:56 |
| Last Modified: |
10 Nov 2021 11:46 |
| URI: |
http://www.fedoa.unina.it/id/eprint/13028 |
Abstract
The thesis treats the nonlinear magnetization dynamics in nanosystems. Analytical models for uniformly magnetized bodies are derived, in particular it is considered the dynamics induced by harmonic magnetic fields.
Numerical and semi-analytical tools for the magnetization dynamics with noise are developed. Data retention and writing process reliability in magnetic storage technologies are analyzed.
Models for the ultrafast magnetization dynamics are studied, the theoretical results are compared with experimental data. First direct evidence of inertia in magnetization dynamics is observed in experiments.
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