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Infrared dielectric response of UO₂ single crystal surfaces investigated by high-resolution electron energy-loss spectroscopy

Thiry, P.A.; Pireaux, J.-J.; Caudano, R.; Naegele, J.R.; Rebizant, J.; Spirlet, J.-C.1987

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AbstractAbstract

[en] The infrared dielectric response of UO₂ has been determined by reflection electron energy-loss spectroscopy. One resonance frequency, ωsub(TO), is found at 278 cm^-1 with oscillator strength Δepsilon = 16.8 and damping γ = 38 cm^-1. Resonant scattering from the 5f unoccupied orbitals is observed in the energy-loss intensities. (author)

Primary Subject

CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY (A1310)

Secondary Subject

MATERIALS SCIENCE (B2320)

Source

Fundamental properties of uranium dioxide: polar solids discussion group meeting; Oxford (UK); Mar 1986

Record Type

Journal Article

Literature Type

Conference

Journal

Journal of the Chemical Society. Faraday Transactions, 2; ISSN 0300-9238;