The design of new crystalline wasteforms that are resistant to
radiation damage requires a detailed understanding of the electronic
structure of a material before and after exposure to radiation.
In this context, the electronic structure can be studied using
X-ray absorption near-edge spectroscopy (XANES) as it provides
information on the local coordination environment, oxidation
state, and bonding environment of the absorbing atom [32]. In a
previous study, the authors of the present study investigated the
electronic structure of three series of monaziteexenotime solid
solutions (La1-xYbxPO4, La1-xYxPO4, and Sm1-xHoxPO4) using
XANES [33]. It was shown in this study that the P K-edge XANES
spectra provide a spectroscopic fingerprint for the monazite and
xenotime structures because of the distinct change in spectral
lineshape and absorption energy observed between the two
structures [33].
The design of new crystalline wasteforms that are resistant toradiation damage requires a detailed understanding of the electronicstructure of a material before and after exposure to radiation.In this context, the electronic structure can be studied usingX-ray absorption near-edge spectroscopy (XANES) as it providesinformation on the local coordination environment, oxidationstate, and bonding environment of the absorbing atom [32]. In aprevious study, the authors of the present study investigated theelectronic structure of three series of monaziteexenotime solidsolutions (La1-xYbxPO4, La1-xYxPO4, and Sm1-xHoxPO4) usingXANES [33]. It was shown in this study that the P K-edge XANESspectra provide a spectroscopic fingerprint for the monazite andxenotime structures because of the distinct change in spectrallineshape and absorption energy observed between the twostructures [33].
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