Electro spin resonance dating
(X-axis: magnetic field in gauss; Y-axis: ESR-signal intensity).
The g-value gives information on the electronic structure of the paramagnetic centre.
In addition, a high-sensitivity-cavity can be used next to the regular one for the new ELEXSYS500-Spectrometer.
It is thus demonstrated that the technique is at once specific, sensitive to composition, phase and texture yet accurate enough to be a quantitative but non-invasive tool that promises to be useful in the study of newer and newer materials including multilayers, ferrofluids and nanomaterials.
The Electron spin resonance (ESR) or Electron paramagnetic resonance (EPR) dating method belongs to the group of radiation-induced dating methods (e.g. Depending on the kind of mineral (predominately aragonite, carbonate and quartz) this method is used to date geological events such as the time of mineralisation and exposure to pressure (for example: volcanic events and fault gauge) or the burial time of sedimentation.
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A broad-spectrum review of the applications of electron spin resonance to advanced materials is presented.