Ion-Irradiation-Induced Damage in Nuclear Materials

Case Study of a-SiO2 and MgO

This thesis investigates the behavior of two candidate materials (a-SiO2 and MgO) for applications in fusion (e.g., the International Thermonuclear Experimental Reactor ITER) and Generation IV fission reactors. Les mer
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Vår pris: 1856,-

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Leveringstid: Sendes innen 21 dager
På grunn av Brexit-tilpasninger og tiltak for å begrense covid-19 kan det dessverre oppstå forsinket levering.

Om boka

This thesis investigates the behavior of two candidate materials (a-SiO2 and MgO) for applications in fusion (e.g., the International Thermonuclear Experimental Reactor ITER) and Generation IV fission reactors. Both parts of the thesis - the development of the ionoluminescence technique and the study of the ion-irradiation effects on both materials - are highly relevant for the fields of the ion-beam analysis techniques and irradiation damage in materials. The research presented determines the microstructural changes at different length scales in these materials under ion irradiation. In particular, it studies the effect of the irradiation temperature using several advanced characterization techniques. It also provides much-needed insights into the use of these materials at elevated temperatures. Further, it discusses the development of the ion-beam-induced luminescence technique in different research facilities around the globe, a powerful in situ spectroscopic characterization method that until now was little known.

Thanks to its relevance, rigorosity and quality, this thesis has received twoprestigious awards in Spain and France.

Fakta

Innholdsfortegnelse

Introduction.- Part I Materials and Methods.- Studied Materials: a-SiO2 and MgO.- Ion-Solid Interactions and Ion Beam Modification of Materials.- Experimental Facilities.- Experimental Characterization Techniques.- Part II Ion Beam Induced Luminescence in Amorphous Silica.- General Features of the Ion Beam Induced Luminescence in Amorphous Silica.- Ionoluminescence in Silica: Role of the Silanol Group Content and the Ion Stopping Power.- Exciton Mechanisms and Modeling of the Ionoluminescence in Silica.- Part III Ion-Irradiation Damage in MgO.- MgO under Ion Irradiation at High Temperatures.- Ion Beam Induced Luminescence in MgO.- Conclusions and Prospects for the Future.

Om forfatteren

Diana Bachiller Perea studied Physics in the Universidad Complutense de Madrid (Spain) and obtained an Interuniversitary Master's Degree in Nuclear Physics in 2011. Her Thesis was carried out under joint supervision between the Center for Micro-Analysis of Materials (CMAM, Universidad Autonoma de Madrid, Spain) and the Centre de Sciences Nucleaires et de Sciences de la Matiere (CSNSM, Universite Paris-Sud, France). At present, she is working in the company Accelerators and Cryogenic Systems (ACS, Orsay, France) as a scientific expert in accelerators.