Magnetic Resonators

Magnetic Resonators

Feedback with Magnetic Field and Magnetic Cavity

Nikhil Kumar, C. S.

Springer Verlag, Singapore

10/2022

92

Mole

Inglês

9789811961755

15 a 20 dias

219

Descrição não disponível.
1 - Introduction



1 1.1 Magnonic devices



1 1.1.1 Unconventional Computing



3 1.1.2 Hybrid magnonics and Magnon spintronics



4 1.1.3 STNO configurations



6 1.1.4 STNO device principle



8 1.1.5 Mutual synchronization of STNOs



8 1.2 Landau - Lifshitz - Gilbert - Slonczewski equation



94 1.2.1 Numerical Methods



10 1.2.2 Finite Difference and Finite Element method



14 Summary







2- Analytical model for a magnonic ring resonator



2.1 Geometry and analysis



2.2 Dispersion relation of curved magnonic waveguide



2.3 Validations



2.4 Modes in a magnonic ring







3 - Magnonic spectra in 2D antidot magnonic crystals with ring



3.1 Plane wave method



3.1.1 Convergence



3.2 Eigenmodes



3.3 Micromagnetic simulations



3.3.1 Magnonic spectra



3.3.2 Antidot magnonic crystal waveguide with linear defect











4 - Magnetic resonators with magnetic field feedback







4. 1 Introduction







4. 1 Problem statement



4. 2 Micromagnetic simulation without magnetic field feedback



4.3 Free layer model



4.4 Free layer Hysteresis loops



4.5 Ferromagnetic resonance frequency versus applied field



4.6 FMR versus applied field for different in plane and out of plane anisotropy FMR versus applied field for different out of plane anisotropy



4.7 Current dependence on resonance frequency



4.8 Spintronic oscillators with magnetic field feedback



4.9 Spin wave dynamics with magnetic field feedback



4.10 Spin wave dynamics at 300 K



4.11 Linewidth (Without magnetic field feedback)



4.4 Linewidth (with magnetic field feedback)



4.5 Spin wave spectra with different delay







5 - Magnetic resonators magnetic cavity feedback







5.1- I. Introduction



5.1.2. Micromagnetic Simulations



5.1.3 Method of Calculation



5.1.4 Band structure of antidot MC



5.1.5 Spin wave injection on Py film using an array of nano contacts



5.1.6 Fabry Perot model



5.1.7 Quality Factor Calculation
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Magnonic devices;Magnon spintronics;Spin-Torque Nano Oscillators(STNOs);Micromagnetic simulations;Finite Element Method (FEM);Magnonic ring resonator;Magnonic waveguide;Magnonic crystals;Fabry Perot model;Spintronic oscillators