the Ferromagnetic resonance
Examination of behaviour of magnetisation under the influence of the high-frequency field of a rating put perpendicularly to
Static, was a following step on a trajectory to build-up of the theory ST.
It conducts to occurrence of the right part in the linearized equation (1.1): from which dynamic communication between builders of magnetisation and a rating field follows. In the most simple case of presence only this communication looks like an external field:
Where the rating field is supposed homogeneous and monochromatic with frequency ω, and equilibrium magnetisation - homogeneous and orientirovanoj along an axis z so oscillations occur in a plane hu.
The exchange interaction account leads to occurrence in these expressions of the allowances proportional to quadrate BB SV that complicates the solution of specific targets. However in some interval of not too short lengths of waves it is possible to neglect and consider as these exchange allowances builders of a tensor of a susceptibility equal (1.9). Such approach is termed bezobmennym.
(To = 0) at ω = ω0 = γHкомпоненты magnetisations beyond all bounds increase in a case of the homogeneous oscillations of magnetisation. Actually the signal attenuation account leads to some flattening of these features [2]. Such behaviour is termed as the homogeneous ferromagnetic resonance. Thus specified increase is accompanied by uptake of energy by system.
1.4
More on topic the Ferromagnetic resonance:
- definition pezomodulja a resonance-antiresonance method
- communication of the ferromagnetic stratums of the obmenno-related systems by means of magnetostatic interaction
- the ferromagnetic linkings with ortorombicheskoj crystalline structure
- Chapter 1. DOMAIN STRUCTURE of the FERROMAGNETIC ALLOYS gejslera And RARE-EARTH INTERMETALLIC COMPOUNDS In the field of MAGNETIC PHASE TRANSITIONS
- magnetic properties of double-layer thin-film structures with various order of sedimentation of the ferromagnetic and antiferromagnetic stratums depending on a thickness of an antiferromagnetic stratum
- GRECHISHKIN Rostislav Mihajlovich. DOMAIN STRUCTURE of the FERROMAGNETIC ALLOYS gejslera And RARE-EARTH INTERMETALLIC COMPOUNDS In the field of MAGNETIC PHASE TRANSITIONS. The dissertation on competition of a scientific degree of the doctor of physical and mathematical sciences. Tver - 2016, 2016
- Grechishkin Rostislav Mihajlovich. DOMAIN STRUCTURE of the FERROMAGNETIC ALLOYS gejslera And RARE-EARTH INTERMETALLIC COMPOUNDS In the field of MAGNETIC PHASE TRANSITIONS. The dissertation AUTHOR'S ABSTRACT on competition of a scientific degree of the doctor of physical and mathematical sciences. Tver - 2016, 2016
- THE LIST CUTTING
- THE LIST OF THE QUOTED LITERATURE
- the up-to-date theoretical models featuring effect of exchange bias in thin-film structures
- PR-campaign Structure.
- THE TABLE OF CONTENTS
- procedures of measuring of piezoelectric and elastic performances
- THE LITERATURE LIST
- THE BASIC EFFECTS AND DEDUCTIONS
- procedures of examination of performances of piezoelements for devices of the frequency selection
- Spin waves in gelikoidalnyh structures
- CHAPTER 3. FEATURES OF FORMATION OF PROPERTIES OBMENNOYOSVJAZANNYH OF THIN-FILM STRUCTURES ON THE BOTTOM IT IS HIGH - OR NIZKONIKELEVOGO THE PERMALLOY