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Surfactant effects in monodisperse magnetite nanoparticles of controlled size
P. Guardia, B. Batlle-Brugal, A. G. Roca +5
Monodisperse magnetite Fe3O4 nanoparticles of controlled size within 6 and 20 nm in diameter were synthesized by thermal decomposition of an iron organic precursor in an organic me…
Exchange bias phenomenology and models of core/shell nanoparticles
Oscar Iglesias, Amilcar Labarta, Xavier Batlle
Some of the main experimental observations related to the occurrence of exchange bias in magnetic systems are reviewed, focusing the attention on the peculiar phenomenology associa…
Exchange bias and asymmetric hysteresis loops from a microscopic model of core/shell nanoparticles
Oscar Iglesias, Xavier Batlle, Amilcar Labarta
We present Monte Carlo simulations of hysteresis loops of a model of a magnetic nanoparticle with a ferromagnetic core and an antiferromegnetic shell with varying values of the cor…