Gruner, Markus Ernst; Sil, Shreekantha; Entel, Peter:

Simulation of Magnetovolume Effects in Fe65Ni35 Nanoparticles

In: Progress of Theoretical Physics Supplement, Jg. 138 (2000), S. 154-155
Zeitschriftenaufsatz / Fach: Physik
Abstract:
We compare magnetovolume effects in bulk and nanoparticles by performing Monte Carlo simulations of a spin-analogous model with coupled spatial and magnetic degrees of freedom and chemical disorder. We find that correlations between surface and bulk atoms lead with decreasing particle size to a substantial modification of the magnetic and elastic behavior at low temperatures.

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