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E-beam and UV induced fabrication of CeO2, Eu2O3 and their mixed oxides with UO2

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21340%2F15%3A00234962" target="_blank" >RIV/68407700:21340/15:00234962 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    E-beam and UV induced fabrication of CeO2, Eu2O3 and their mixed oxides with UO2

  • Original language description

    CeO2, Eu2O3 and mixed oxides of CeO2-UO2, Eu2O3-UO2 were fabricated. Both mixed oxides play an important role in the research of nuclear fuel cycle, because cerium has been utilized as a surrogate for plutonium, whereas europium has been utilized as a surrogate for minor actinides(III). The preparative method is based on irradiation of aqueous solutions containing cerium/europium (and uranyl) nitrate and ammonium formate. The efficiency of both ionizing and non-ionizing radiation was studied - solutionswere irradiated either by accelerated electrons or UV radiation (medium or low pressure mercury lamps). For the characterization of solid phase, XRPD (X-Ray Powder Diffraction) and XRF (X-Ray Fluorescence) were used. Similar method was recently successfully used for the fabrication of (Th,U)O2 [T. Pavelková, V. Čuba, F. Šebesta: Photo-induced low temperature synthesis of nanocrystalline UO2, ThO2 and mixed UO2?ThO2 oxides, J Nucl Mater 442 (2013) 29-32]. Solid Eu-precursors formed under

  • Czech name

  • Czech description

Classification

  • Type

    O - Miscellaneous

  • CEP classification

    CH - Nuclear and quantum chemistry, photo chemistry

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/7G12092" target="_blank" >7G12092: Advanced fuelS for Generation IV reActors: Reprocessing and Dissolution</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2015

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů