LACAME 2006

Improving detector signal processing with pulse height analysis in Mössbauer spectrometers.- Room temperature 57Fe Mössbauer spectroscopy of ordinary chondrites from the Atacama Desert (Chile): constraining the weathering processes on desert meteorites.- The metallurgic furnaces at the Curamba Inca site (Peru): a study by Mössbauer spectroscopy and X-ray diffractometry.- Study of the structural modifications in activated clays by Mössbauer spectroscopy and X-ray diffractometry.- Magnetic and structural properties of mechanically alloyed Tb0.257?x Nd x Fe0.743 alloys, with x?=?0 and 0.257.- Mössbauer and magnetic studies of parent material from argentine pampas soils.- Multivariate analysis in provenance studies: Cerrillos obsidians case, Peru.- Synthesis and characterization of Fe6W6C by mechanical alloying.- Iron-containing pyrochlores: structural and magnetic characterization.- Study of the effect of Mn and Cu in Fe Mn Al C Cu alloys by ICEMS and XRD.- Mössbauer investigation of maghemite-based glycolic acid nanocomposite.- Structural, Mössbauer and magnetic studies on Mn-substituted barium hexaferrites prepared by high energy ball milling.- Provenance study of obsidians from the archaeological site of La Maná (Ecuador) by electron spin resonance (ESR), SQUID magnetometry and 57Fe Mössbauer spectroscopy.- Mössbauer investigation of magnetite nanoparticles incorporated in a mesoporous polymeric template.- Distribution of Fe-bearing compounds in an Ultisol as determined with selective chemical dissolution and Mössbauer spectroscopy.- Structural, magnetic and hyperfine characterization of zinc-substituted magnetites.- Magnetic investigation of iron-nitride-based magnetic fluid.