%0 Conference Paper %F Oral %T Study of niobium in UO$_2$ advanced fuel doped with NbO$_x$ %+ CEA-Direction des Energies (ex-Direction de l'Energie Nucléaire) (CEA-DES (ex-DEN)) %A Pennisi, V. %Z Symposium G : Materials, processing, and characterization techniques for future nuclear technologiesPhD supervisors : P. MATHERON (CEA/DEN); C. RIGLET-MARTIAL (CEA/DEN); J.M. HEINTZ (ENSCBP Bordeaux); J.F. SILVAIN (ICMCB - CNRS) %< avec comité de lecture %B 2015 ANS annual meeting - Nuclear Technology: An Essential Part of the Solution" %C San Antonio, United States %8 2015-06-07 %D 2015 %K niobium speciation %K XANES %K oxygen partial pressure %K doped nuclear oxide fuel %Z Physics [physics]/Nuclear Experiment [nucl-ex] %Z Physics [physics]/Nuclear Theory [nucl-th]Conference papers %G English %2 https://cea.hal.science/cea-02489552/document %2 https://cea.hal.science/cea-02489552/file/201500002421.pdf %L cea-02489552 %U https://cea.hal.science/cea-02489552 %~ CEA %~ DEN