Phase transitions of iron-nitride magnetic fluids.
Phys Rev Lett
; 84(26 Pt 1): 6106-9, 2000 Jun 26.
Article
em En
| MEDLINE
| ID: mdl-10991135
ABSTRACT
Phase transitions of magnetic fluids in the zero field were studied from the viewpoint of static susceptibility and typical relaxation time in order to distinguish between the transitions and the blocking phenomena. We used iron-nitride magnetic fluids containing nearly uniform particles so as to remove the effects of particle-size distribution. In the densest sample, we observed the growth of ferromagnetic fluctuations and, in the diluted samples, a temperature-induced first-order phase transition.
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01-internacional
Base de dados:
MEDLINE
Idioma:
En
Revista:
Phys Rev Lett
Ano de publicação:
2000
Tipo de documento:
Article
País de afiliação:
Japão