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Article Dans Une Revue Physical Review Materials Année : 2020

Divergent short-and long-range behavior in ion-irradiated δ-Sc4 Hf3 O12

Résumé

Ion irradiation experiments and quantitative x-ray diffraction analysis were used to demonstrate that the lattice and structure behave very differently in a complex oxide, δ-Sc 4 Hf 3 O 12 , under irradiation. Analysis of the structure reveals that with increasing fluence, the characteristic c/a ratio for the δ phase converges to that of an ideal fluorite phase, whereas locally it produces a metaphase consisting of frozen nanoscale structures having bixbyite-like flavor that increase the overall stability and radiation response of the apparent long-range oxygen-deficient average fluorite structure.
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Dates et versions

hal-02939779 , version 1 (15-09-2020)

Identifiants

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Maulik K Patel, Kurt E Sickafus, Gianguido Baldinozzi. Divergent short-and long-range behavior in ion-irradiated δ-Sc4 Hf3 O12. Physical Review Materials, 2020, ⟨10.1103/PhysRevMaterials.4.093605⟩. ⟨hal-02939779⟩
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