Effect of temperature on the behavior of ion-irradiated cubic zirconia

Abstract : Yttria-stabilized zirconia (YSZ) single crystals were irradiated with 4-MeV Au ions at several temperatures from RT up to 800 degrees C. For each temperature, the amount of damage created by irradiation was measured as a function of the ion fluence by Rutherford backscattering spectrometry in channeling geometry (RBS/C). In all cases the damage exhibits a peak around the ion projected range (similar to 500 nm) and it accumulates via a multi-step process. Furthermore, the damage build-up strongly depends on the irradiation temperature: the occurrence of the second stage of damage accumulation, which presents a high increase of the damage fraction, is shifted towards lower fluences as the temperature is increased. This effect may be explained by enhanced defect-clustering at high temperature. (C) 2011 Elsevier B.V. All rights reserved.
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Article dans une revue
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, Elsevier, 2012, 286, pp.169-172. <10.1016/j.nimb.2011.10.073>


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Soumis le : jeudi 8 novembre 2012 - 16:09:25
Dernière modification le : vendredi 4 décembre 2015 - 12:19:01

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S. Moll, A. Debelle, L. Thome, G. Sattonnay, J. Jagielski, et al.. Effect of temperature on the behavior of ion-irradiated cubic zirconia. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, Elsevier, 2012, 286, pp.169-172. <10.1016/j.nimb.2011.10.073>. <in2p3-00749943>

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