Electronic Properties of Fully Strained La_1-x Sr _x MnO₃ Thin Films Grown by Molecular Beam Epitaxy (0.15 ≤ x ≤ 0.45).

ABSTRACT: The structural, electronic, and magnetic properties of Sr-hole-doped epitaxial La_1-x Sr _x MnO₃ (0.15 ≤ x ≤ 0.45) thin films deposited using the molecular beam epitaxy technique on 4° vicinal STO (001) substrates are probed by the combination of X-ray diffraction and various synchrotron-based spectroscopy techniques. The structural characterizations evidence a significant shift in the LSMO (002) peak to the higher diffraction angles owing to the increase in Sr doping concentrations in thin films. The nature of the LSMO Mn mixed-valence state was estimated from X-ray photoemission spectroscopy together with the relative changes in the Mn L_2,3 edges observed in X-ray absorption spectroscopy (XAS), both strongly affected by dopin

SUBMITTER: Chaluvadi SK 

PROVIDER: S-EPMC9088787 | biostudies-literature | 2022 May

REPOSITORIES: biostudies-literature