DOI: 10.1063/1.1625081. Electronic structure of La0.7Sr0.3MnO3 thin films for hybrid organic/inorganic spintronics applications

Electronic structure of La0.7Sr0.3MnO3 thin films for hybrid organic/inorganic spintronics applications

10.1063/1.1625081

Crossref journal-article

AIP Publishing

Journal of Applied Physics (317)

Abstract

Recently, hybrid organic/inorganic interfaces have been used in prototype spin valves, with thin films of La0.7Sr0.3MnO3 as the spin-polarized charge carrier injecting electrode. We have used x-ray photoelectron spectroscopy and ultraviolet photoelectron spectroscopy to study the surface properties of La0.7Sr0.3MnO3 thin films prepared by the channel-spark ablation technique. In particular, preparation of the surfaces by annealing in ultra-high-vacuum surface segregation, the valence electronic structure and work function were studied in order to provide important information for charge injection behavior. It is shown that annealing in vacuum at T&lt;500 °C removes surface contamination and stabilizes oxygen content. The work-function values change from 4.2 to 4.8 eV depending on surface treatment. A surface layer consisting of SrO and SrCO3 of a few angstrom thick was found, which can significantly influence the spin injection properties at the interfacial region.

Bibliography

de Jong, M. P., Dediu, V. A., Taliani, C., & Salaneck, W. R. (2003). Electronic structure of La0.7Sr0.3MnO3 thin films for hybrid organic/inorganic spintronics applications. Journal of Applied Physics, 94(11), 7292â7296.

Authors 4

M. P. de Jong (first)
V. A. Dediu (additional)
C. Taliani (additional)
W. R. Salaneck (additional)

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Dates

Type	When
Created	21 years, 9 months ago (Nov. 14, 2003, 9:22 p.m.)
Deposited	1 year, 6 months ago (Feb. 7, 2024, 6:15 p.m.)
Indexed	4 weeks, 2 days ago (Aug. 2, 2025, 12:21 a.m.)
Issued	21 years, 9 months ago (Dec. 1, 2003)
Published	21 years, 9 months ago (Dec. 1, 2003)
Published Print	21 years, 9 months ago (Dec. 1, 2003)

Funders 0

None

BibTeX

@article{de_Jong_2003, title={Electronic structure of La0.7Sr0.3MnO3 thin films for hybrid organic/inorganic spintronics applications}, volume={94}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.1625081}, DOI={10.1063/1.1625081}, number={11}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={de Jong, M. P. and Dediu, V. A. and Taliani, C. and Salaneck, W. R.}, year={2003}, month=dec, pages={7292–7296} }

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  "ISSN": [
    "0021-8979",
    "1089-7550"
  ],
  "subject": [],
  "published-other": {
    "date-parts": [
      [
        2003,
        12,
        1
      ]
    ]
  },
  "published": {
    "date-parts": [
      [
        2003,
        12,
        1
      ]
    ]
  }
}