Comparison of the radii of latent tracks induced by high-energy heavy ions in Y3Fe5O12by HREM, channelling Rutherford backscattering and Mössbauer spectrometry
- 1 November 1988
- journal article
- research article
- Published by Taylor & Francis in Philosophical Magazine A
- Vol. 58 (5) , 799-808
- https://doi.org/10.1080/01418618808209954
Abstract
Y3Fe5O12 garnets have been irradiated by Mo and Xe ion beams at 2.3 and 3.3 GeV respectively. High-resolution electron microscopy (HREM), channelling Rutherford backscattering (RBS) and Mössbauer spectrometry have been used to determine the variation of the radius of latent damage track induced along the ion path as a function of the electronic stopping powers between 34 and 56 MeV cm2 mg−1. On comparing the results obtained by different experimental methods it is found that the disorder characterized by channelling RBS measurements extends over the same cylindrical volume as the paramagnetic state observed by Mössbauer spectrometry. A direct HREM measurement of the radii shows a larger cylindrical volume than both the other measurements, indicating the existence of a distorted shell around the disordered core.Keywords
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