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X-ray diffraction of (A) LaxEu1−xB6; (B) a magnified image of the (2 0 0) diffraction plane with LaxEu1−xB6 where x = 0.0, 0.2, 0.5 and 0.8; (C) Pearson VII peak fit of LaxEu1−xB6 with x = 0.5; and (D) lattice spacing versus atomic % Eu in the LaxEu1−xB6 reaction (calculated using Bragg′s law).
