Prof. Žiga Šmit: Archaeometric investigations with ion beam analytical methods

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     Archaeometric investigations with ion beam analyticalmethods

     Prof. Žiga Šmit, Univerza v Ljubljani, Fakulteta za matematiko in fiziko & Institut Jožef Stefan

Ion beam analytical methods are based on the spectroscopy of X-rays, gamma rays, scattered and recoiled ions and other radiation, excited by fast light ions from the electrostatic accelerators. As an analytical tool they are widely used on different materials. The seminary will review important applications in the field of archaeometry, as practiced at the Tandetron accelerator of the Jožef Stefan Institute. The analysis of metals involves Roman military equipment, selected artifacts from the Middle Bronze Age and numismatics. The methods of glassmaking will be studied from the Roman period till beginnings of the industrial age. For the cream-colored ceramics, which is one of the earliest industrial products in Slovenia, we shall inspect the sources of materials and historic efforts to find the best mixture. At the oil paintings it is possible to identify the type of pigments in particular layers. For the comet that fell on Mežakla in 2009, we shall inspect the shape and composition of its characteristic structures - chondrules.