Characterization of radiation defects in transparent oxides

Gianguido Baldinozzi 3,5David Simeone 5,3Michael Doll√© 5,3Dominique Gosset 3,5

1. Ecole Centrale Paris, SPMS, UMR CNRS-ECP (ECP), Grande voie des vignes, Chatenay-Malabry 92295, France
2. CEA Saclay, DMN/SRMA (CEA), CE Saclay, Gif-sur-Yvette 91191, France
3. Ecole Centrale Paris, SPMS, UMR CNRS-ECP (ECP), Grande voie des vignes, Chatenay-Malabry 92295, France
4. CEA Saclay, DMN/SRMA (CEA), CE Saclay, Gif-sur-Yvette 91191, France
5. CEA Saclay, DMN/SRMA (CEA), CE Saclay, Gif-sur-Yvette 91191, France

Abstract

It is now well established that irradiation can trigger displacive and order disorder phase transitions in metals and alloys. Recent works have clearly shown that these transitions can also exist in irradiated ceramics. The elementary mechanisms leading to these structural modifications will be discussed in two large gap materials: pure monoclinic zirconia and ZnAl2O4 spinel. The irradiation can strongly affect their structures and their microstructures, leading to a nanostructuration. This can present potential useful consequences for tailoring their physical properties.

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Presentation: oral at E-MRS Fall Meeting 2005, Laser Ceramic Symposium, by Gianguido Baldinozzi
See On-line Journal of E-MRS Fall Meeting 2005

Submitted: 2005-07-28 14:35
Revised:   2009-06-07 00:44
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