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Model for the correlation between magnetocrystalline energy and Barkhausen noise in ferromagnetic materials
- Source :
- Journal of Magnetism and Magnetic Materials. 454:155-164
- Publication Year :
- 2018
- Publisher :
- Elsevier BV, 2018.
-
Abstract
- In the present work a model for the correlation between magnetocrystalline anisotropy energy and Barkhausen noise is proposed. The link between the magnetocrystalline anisotropy energy and the magnetic Barkhausen noise is due to the influence of the crystallographic texture on the domain nucleation process which produces the Barkhausen signal in the branch from saturation to remanence. The statistical distributions of magnetic free poles and local fields of nucleation and subsequent growth of reversed domains were obtained for a large number of grain boundaries and used to estimate the number and size of Barkhausen events at each angular position from 0 to 360° in ten degree-steps. The good agreement observed between the modeled magnetocrystalline energy and the prediction of this energy made from X-ray texture and Barkhausen noise measurements corroborates the validity of the proposed model.
- Subjects :
- 010302 applied physics
Materials science
Condensed matter physics
Nucleation
02 engineering and technology
021001 nanoscience & nanotechnology
Condensed Matter Physics
Magnetocrystalline anisotropy
Condensed Matter::Disordered Systems and Neural Networks
01 natural sciences
Electronic, Optical and Magnetic Materials
Condensed Matter::Materials Science
symbols.namesake
Ferromagnetism
Remanence
0103 physical sciences
Condensed Matter::Statistical Mechanics
symbols
Barkhausen stability criterion
Grain boundary
0210 nano-technology
Saturation (magnetic)
Barkhausen effect
Subjects
Details
- ISSN :
- 03048853
- Volume :
- 454
- Database :
- OpenAIRE
- Journal :
- Journal of Magnetism and Magnetic Materials
- Accession number :
- edsair.doi...........419dda8272271807784faf33d5639c56