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- Title
On the shape of gamma-resonance spectra of ferrimagnetic nanoparticles under conditions of metamagnetism.
- Authors
Chuev, M.
- Abstract
A four-level relaxation model in the two-sublattice approximation has been proposed and implemented for the description of the Mössbauer spectra of ferrimagnetic nanoparticles under conditions of metamagnetism. This model is a basis for the further development of the theory of magnetic dynamics of ferrimagnetic nanoparticles and allows the qualitative description of the size effects, which for nearly half a century were observed repeatedly in the experimental absorption spectra of Fe nuclei in ferrimagnetic nanoparticles.
- Subjects
FERRIMAGNETIC materials; NANOPARTICLES; METAMAGNETISM; GAMMA ray spectroscopy; APPROXIMATION theory; MOSSBAUER spectroscopy
- Publication
JETP Letters, 2013, Vol 98, Issue 8, p465
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/S0021364013210029