Journal
JOURNAL OF APPLIED PHYSICS
Volume 103, Issue 7, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.2837625
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Stable iron nanoparticles have been synthesised by the decomposition of {Fe(N[Si(CH3)(3)](2))(2)}(2) under dihydrogen pressure. Those conditions lead to a system of monodisperse and metallic nanoparticles which diameter is less than 2 nm and stabilized by HN[Si(CH3)(3)](2). The magnetization is found to be M-S=1.92 mu(B)/at., i.e., 10% lower than the bulk value. The Mossbauer spectrum is fitted by two contributions of metallic iron. The magnetic anisotropy energy constant increases up to 5.2x10(5) J/m(3), i.e., ten times the bulk one.
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