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Study of the structural modifications induced by He implantation in cubic zirconia

G. Velisa 1 A. Debelle 2 L. Vincent 2 L. Thome 2 D. Pantelica 1 A. Declemy
1 NIPNE - Horia Hulubei National Institute of Physics and Nuclear Engineering
2 CSNSM - Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse
Abstract : This article deals with the study of the structural modifications induced in yttria-stabilized zirconia implanted with low-energy (30 keV) He ions. For this purpose, three complementary analysis techniques, namely RBS/C, XRD and TEM, were used. After implantation at 5 x 10(16) cm(-2) (similar to 4 at% to similar to 1.7 dpa), it is found that the disorder level is weak, and the damage likely consists in small interstitial-type defects and helium-vacancy clusters. These defects induce a tensile strain gradient in the direction normal to the implanted crystal surface. This weak damage indicates a strong mechanical resistance of the zirconia matrix against He implantation. (c) 2010 Elsevier B.V. All rights reserved.
keyword : Zirconia He implantation RBS/C XRD TEM RADIATION-DAMAGE
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Conference papers
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Submitted on : Monday, February 13, 2012 - 2:55:22 PM
Last modification on : Wednesday, September 16, 2020 - 4:17:40 PM

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G. Velisa, A. Debelle, L. Vincent, L. Thome, D. Pantelica, et al.. Study of the structural modifications induced by He implantation in cubic zirconia. 15th International Conference of the Radiation Effects in Insulators, Aug 2009, Padova, Italy. pp.2984-2986, ⟨10.1016/j.nimb.2010.05.023⟩. ⟨in2p3-00669586⟩

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