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- Sapienza University of RomeIT3 papers
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4 papers · 1 filter
Spin Disorder and Magnetic Anisotropy in Fe3O4 Nanoparticles
E. Lima, A. L. Brandl, A. D. Arelaro +1
We have studied the magnetic behavior of dextran-coated magnetite (FeO) nanoparticles with median particle size . Magnetization curves and in-field M…
On the high accuracy lattice-parameters determination by n-beam diffraction: Theory and application to the InAs quantum dots grown over GaAs(001) substrate system
L. H. Avanci, A. A. Quivy, S. L. Morelhao +1
Ultra-precise lattice parameter measurements in single crystals are achievable, in principle, by X-ray multiple diffraction (XMD) experiments. Tiny sample misalignments have hinder…
Structure of Zn_(1-x)Mn_xIn_2Se_4 crystals grown by CVT
J. Mantilla, G. E. S. Brito, E. ter Haar +2
Single crystals of Zn_(1-x)Mn_xIn_2Se_4 were grown by the chemical vapour phase transport technique (CVT). The Mn concentration was varied from x=1 to x=0.01. Through X-rays powder…
On the Field Dependence of the Interface Energy in Af/FM Bilayers
J. R. L. de Almeida, J. R. Steiner, S. M. Rezende
In the investigations of antiferromagnetic (AF)/ ferromagnetic (FM) bilayer samples, often distinct experimental techniques yield different values for the measured exchange anisotr…