Ability of cubic zirconia to accommodate radiation damage

Cubic zirconia irradiated with medium-energy heavy ions exhibits a three-step damage build-up. Each step is characterized by radiation-defect reorganization that occurs to lower the system energy. The last step at high irradiation fluence is characterized by a quite unusual decrease in the damage fr...

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Bibliographic Details
Published inScripta materialia Vol. 63; no. 6; pp. 665 - 668
Main Authors Debelle, A., Moll, S., Décamps, B., Declémy, A., Thomé, L., Sattonnay, G., Garrido, F., Jozwik, I., Jagielski, J.
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.09.2010
Elsevier
Subjects
Accumulation
Condensed Matter
Damage
Defects
Density
Dislocations
Fluence
Heavy ions
Ion irradiation
Irradiation
Materials Science
Microstructure
Physics
TEM
XRD
Zirconium dioxide
Ion irradiation
XRD
Microstructure
TEM
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Summary:Cubic zirconia irradiated with medium-energy heavy ions exhibits a three-step damage build-up. Each step is characterized by radiation-defect reorganization that occurs to lower the system energy. The last step at high irradiation fluence is characterized by a quite unusual decrease in the damage fraction, during which the formation of defect-depleted regions is clearly evidenced. This surprising partial damage recovery is associated with a decrease in the density of tangled dislocations, which tend to form long dislocations that act as defect sinks.
Bibliography:ObjectType-Article-1
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ObjectType-Feature-2
content type line 23
ISSN:1359-6462
1872-8456
DOI:10.1016/j.scriptamat.2010.05.032