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Low energy photoemission from (100) Ba1−xLaxSnO3 thin films for photocathode applications

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Abstract

Recent research on photocathodes for photoinjectors has focused on the understanding of the photoemission process at low energy (i.e. at photon energy close to the material’s work function) as well as on the study of ordered and innovative photocathode materials, with the aim of minimizing the emittance at the cathode. We here present a preliminary study on low energy photoemission from (100) oriented Ba1−xLaxSnO3 thin films, characterizing their quantum efficiency and the mean transverse energy of the photoelectrons. The aim of the study is to pave the way for future experiments on innovative photocathodes based on perovkite oxides.

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Authors and Affiliations

  1. CLASSE, Cornell University, Ithaca, NY, 14853, USA

    Alice Galdi, Christopher M. Pierce, L. Cultrera, Jared M. Maxson & Ivan V. Bazarov

  2. Department of Physics, University of Illinois, Chicago, IL, 60607-7059, USA

    Gowri Adhikari & Walter Andreas Schroeder

  3. Department of Materials Science and Engineering, Cornell University, Ithaca, NY, 14853, USA

    Hanjong Paik, Darrel G. Schlom & E. Lochocki

  4. PARADIM, Cornell University, Ithaca, NY, 14853, USA

    Hanjong Paik

  5. Kavli Institute at Cornell for Nanoscale Science, Ithaca, NY, 14853, USA

    Darrel G. Schlom & Kyle M. Shen

  6. LASSP, Department of Physics, Cornell University, Ithaca, NY, 14853, USA

    Johannes K. Nangoi, Tomas A. Arias, E. Lochocki, Christopher Parzyck & Kyle M. Shen

Authors
  1. Alice Galdi
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  2. Christopher M. Pierce
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  3. L. Cultrera
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  4. Gowri Adhikari
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  5. Walter Andreas Schroeder
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  6. Hanjong Paik
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  7. Darrel G. Schlom
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  8. Johannes K. Nangoi
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  9. Tomas A. Arias
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  10. E. Lochocki
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  11. Christopher Parzyck
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  12. Kyle M. Shen
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  13. Jared M. Maxson
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  14. Ivan V. Bazarov
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Corresponding author

Correspondence to Alice Galdi.

Additional information

Supplementary material in the form of one pdf file available from the Journal web page at https://doi.org/10.1140/epjst/e2019-800175-x

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Galdi, A., Pierce, C.M., Cultrera, L. et al. Low energy photoemission from (100) Ba1−xLaxSnO3 thin films for photocathode applications. Eur. Phys. J. Spec. Top. 228, 713–718 (2019). https://doi.org/10.1140/epjst/e2019-800175-x

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  • DOI: https://doi.org/10.1140/epjst/e2019-800175-x

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