Title: TEM-EELS analyses of protactinium
Authors: DIESTE BLANCO OLIVERWISS THIERRYGRIVEAU JEAN-CHRISTOPHEKONINGS RUDYVAN DER LAAN GERRITCACIUFFO ROBERTO
Citation: MATERIALS RESEARCH EXPRESS vol. 6 no. 2 p. 026307
Publisher: IOP PUBLISHING LTD
Publication Year: 2018
JRC N°: JRC113665
ISSN: 2053-1591 (online)
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC113665
DOI: 10.1088/2053-1591/aaef23
Type: Articles in periodicals and books
Abstract: A fragment of metallic protactinium (Pa) has been studied using a transmission electron microscope (TEM) equipped with an electron energy loss spectroscopy (EELS) detector. Bright and dark field TEM images have been acquired, and selective area electron diffraction (SAED) has been used to study the crystal structures. The results showed the presence of domains both of metallic and of oxidized material that likely occurred during sample preparation. EELS edges have been collected for the first time for the oxide compounds and compared with those computed using many-electron atomic spectral methods.
JRC Directorate:Nuclear Safety and Security

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