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Here, we will focus on dating aragonite coral samples.
The trapped charges from paramagnetic centers can be detected by the rise of a characteristic ESR signal.
All these methods use the phenomenon of common minerals acting as natural dosimeters.
The radiation (natural radioactivity and cosmic rays) causes charge (electrons, free radicals) which is trapped at defects in the crystal lattice of a wide range of minerals such as aragonite, calcite, and quartz.
Freiberg Instruments is now one of the world's fastest growing, young and dynamic analytical instrumentation companies with products covering a broad spectrum of applications in fields/industries like Semiconductor, Microelectronics, Photovoltaic, Dosimetry, Medical Research, Luminescence Dating, X-ray diffraction, Material Research and Electron Spin Resonance.
Freiberg Instruments is one of the world's fast growing, young and dynamic analytical instrumentation companies with products covering a broad spectrum of applications in fields/industries like Dosimetry, Medical Research, Material Research, Electron Spin Resonance, Microelectronics, Photovoltaic, Luminescence Dating, and X-ray diffraction.Established in 2005 as an university spin off from TU Bergakademie - The University of Resources, Freiberg Instruments devoted the first few years to develop and test a whole family of fast, nondestructive, electrical characterization tools under production conditions, measuring parameters like minority carrier lifetime, photoconductivity and resistivity.