Browsing by Author "Romao, CP"

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    Magneto-structural coupling in SrTcxRu1-xO3 (x = 0.25,0.5) perovskites
    (Elsevier, 2020-07) Reynolds, E; Romao, CP; Brand, HEA; Thorogood, GJ; Poineau, F; Czerwinski, KR; Kennedy, BJ
    The structure and magnetic properties of the mixed technetium-ruthenium perovskites SrTcxRu1-xO3 (x ​= ​0.25 and 0.5) have been investigated using variable temperature synchrotron X-ray diffraction, magnetic susceptibility measurements, and DFT calculations. Both oxides are isostructural with SrRuO3 and SrTcO3, and there is no evidence of long-range cation order. Magnetostriction is observed along the c-axis for both oxides. The inverse susceptibility and DFT calculations suggest a cation-disordered ferrimagnetic ground state for SrTc 0.5 Ru 0.5 O3. ©2020 Elsevier Inc.