Abstract
The elastic moduli of both oxidized and reduced MgO, CaO, and SrO doped lanthanum chromites were measured by the dynamic Young’s Modulus method. The elastic modulus was also measured as a function of CaO content in both the oxidized and reduced states. From Reitveld fitting of the X-ray diffraction data, corresponding cation to anion atomic distances were calculated and compared. Changes in the elastic modulus corresponded to changes in the Cr +3 to O −2 average interatomic distance for the dopants used.
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