Author/Authors :
Baldomir، نويسنده , , D. and Rivas، نويسنده , , J. and Serantes، نويسنده , , D. and Pereiro، نويسنده , , M. and Arias، نويسنده , , J.E. and Bujلn-Nٌْez، نويسنده , , M.C. and Vلzquez-Vلzquez، نويسنده , , C.، نويسنده ,
Abstract :
We study the entropy change dependence on the applied magnetic field for a dipolar interacting superparamagnetic system of fine particles. Using a Monte Carlo technique, we have obtained an enhancement of the entropy for increasing applied magnetic fields; the maximum of the entropy curves occurs at higher temperatures for larger magnetic fields. It was also observed that the blocking temperature always decreases as the magnetic field increases.
