A Combined Ion Scattering, Photoemission, and DFT Investigation on the Termination Layer of a La0.7Sr0.3MnO3 Spin Injecting Electrode

A Combined Ion Scattering, Photoemission, and DFT Investigation on the Termination Layer of a La0.7Sr0.3MnO3 Spin Injecting Electrode

La0.7Sr0.3MnO3 (LSMO) thin films have proven to act as an efficient spin injection electrode in hybrid organic/inorganic spintronic devices. Optimal control of the chemical composition of the LSMO outermost layer is a key issue in the realization of efficient and reproducible spintronic devices. Low...

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Veröffentlicht in:Journal of physical chemistry. C 2014-06, Vol.118 (25), p.13631-13637
Hauptverfasser: Poggini, L, Ninova, S, Graziosi, P, Mannini, M, Lanzilotto, V, Cortigiani, B, Malavolti, L, Borgatti, F, Bardi, U, Totti, F, Bergenti, I, Dediu, V. A, Sessoli, R
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container_end_page 13637
container_issue 25
container_start_page 13631
container_title Journal of physical chemistry. C
container_volume 118
creator Poggini, L
Ninova, S
Graziosi, P
Mannini, M
Lanzilotto, V
Cortigiani, B
Malavolti, L
Borgatti, F
Bardi, U
Totti, F
Bergenti, I
Dediu, V. A
Sessoli, R
description La0.7Sr0.3MnO3 (LSMO) thin films have proven to act as an efficient spin injection electrode in hybrid organic/inorganic spintronic devices. Optimal control of the chemical composition of the LSMO outermost layer is a key issue in the realization of efficient and reproducible spintronic devices. Low-energy ion scattering (LEIS) and X-ray photoelectron spectroscopy (XPS), empowered by density functional theory (DFT) investigations have been used to reveal the chemical composition of the LSMO termination. The topmost layers consist of a Sr- and Mn-rich phase evolving to the bulk phase via a gradual increase of the La content.
doi_str_mv 10.1021/jp5026619
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title A Combined Ion Scattering, Photoemission, and DFT Investigation on the Termination Layer of a La0.7Sr0.3MnO3 Spin Injecting Electrode
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