Simulation of Magnetovolume Effects in Fe65Ni35Nanoparticles | Zendy

Markus E. Gruner | Zendy; Shreekantha Sil | Zendy; Peter Entel | Zendy

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Simulation of Magnetovolume Effects in Fe₆₅Ni₃₅Nanoparticles

Author(s) -

Markus E. Gruner,

Shreekantha Sil,

Peter Entel

Publication year - 2000

Publication title -

progress of theoretical physics supplement

Language(s) - English

Resource type - Journals

ISSN - 0375-9687

DOI - 10.1143/ptps.138.154

Subject(s) - nanoparticle , condensed matter physics , monte carlo method , materials science , spin (aerodynamics) , degrees of freedom (physics and chemistry) , chemical physics , physics , nanotechnology , thermodynamics , mathematics , statistics

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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