Charge Transfer: Identifying Ionic and Electronic Charge Transfer at Oxide Heterointerfaces (Adv. Mater. 4/2021)

Advanced Materials, vol. 33

Abstract

In article number 2004132, Marc-André Rose, David N. Mueller, Felix Gunkel, and co-workers identify how ion and electron transfer naturally balance at the LaAlO3/SrTiO3 oxide heterointerface, affecting the band alignment and magnetic signature of the interface. They utilize near-ambient-pressure X-ray photoelectron spectroscopy, showing that Sr ions are more mobile at the interface than in the bulk, and implicating a high importance of ionic charge transfer in oxide heterostructures.

Authors 12

1. Marc‐André Rose Aachen Institute for Electronic Materials (IWE 2)

   Forschungszentrum Jülich · Jülich Aachen Research Alliance · RWTH Aachen University

   Affiliation as printed

   Institute for Electronic Materials (IWE 2), and Juelich‐Aachen Research Alliance for Fundamentals on Future Information Technology (JARA‐FIT) RWTH Aachen University 52074 Aachen Germany

   Peter Grünberg Institute 7 Forschungszentrum Jülich GmbH, and JARA‐FIT 52425 Jülich Germany

   Institute for Electronic Materials (IWE 2), and Juelich-Aachen Research Alliance for Fundamentals on Future Information Technology (JARA-FIT), RWTH Aachen University, 52074 Aachen, Germany

2. Břetislav Šmíd

   Charles University

   Affiliation as printed

   Department of Surface and Plasma Science Faculty of Mathematics and Physics Charles University Prague 180 00 Czech Republic

   Department of Surface and Plasma Science, Faculty of Mathematics and Physics, Charles University, Prague, 180 00 Czech Republic

3. Mykhailo Vorokhta

   Charles University

   Affiliation as printed

   Department of Surface and Plasma Science Faculty of Mathematics and Physics Charles University Prague 180 00 Czech Republic

   Department of Surface and Plasma Science, Faculty of Mathematics and Physics, Charles University, Prague, 180 00 Czech Republic

4. Ivetta Slipukhina

   Forschungszentrum Jülich · Jülich Aachen Research Alliance

   Affiliation as printed

   Peter Grünberg Institute 1 and Institute for Advanced Simulation Forschungszentrum Jülich GmbH and JARA‐FIT 52425 Jülich Germany

5. Michael Andrä

   Forschungszentrum Jülich · Jülich Aachen Research Alliance

   Affiliation as printed

   Peter Grünberg Institute 7 Forschungszentrum Jülich GmbH, and JARA‐FIT 52425 Jülich Germany

6. Hendrik Bluhm

   Lawrence Berkeley National Laboratory · Fritz Haber Institute of the Max Planck Society

   Affiliation as printed

   Chemical Sciences Division Lawrence Berkeley National Lab. Berkeley CA 94720 USA

   Department of Inorganic Chemistry Fritz Haber Institute of the Max Planck Society 14195 Berlin Germany

   Chemical Sciences Division, Lawrence Berkeley National Lab., Berkeley, CA, 94720 USA

   Department of Inorganic Chemistry, Fritz Haber Institute of the Max Planck Society, 14195 Berlin, Germany

7. Tomáš Duchoň

   Forschungszentrum Jülich · Jülich Aachen Research Alliance

   Affiliation as printed

   Peter Grünberg Institute 6, and JARA‐FIT Forschungszentrum Jülich GmbH 52425 Jülich Germany

8. Marjana Ležaić

   Forschungszentrum Jülich · Jülich Aachen Research Alliance

   Affiliation as printed

   Peter Grünberg Institute 1 and Institute for Advanced Simulation Forschungszentrum Jülich GmbH and JARA‐FIT 52425 Jülich Germany

9. Scott A. Chambers

   Pacific Northwest National Laboratory

   Affiliation as printed

   Physical and Computational Sciences Directorate Pacific Northwest National Laboratory Richland WA 99354 USA

   Physical and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA, 99354 USA

10. Regina Dittmann

    Forschungszentrum Jülich · Jülich Aachen Research Alliance

    Affiliation as printed

    Peter Grünberg Institute 7 Forschungszentrum Jülich GmbH, and JARA‐FIT 52425 Jülich Germany

11. David N. Mueller

    Forschungszentrum Jülich · Jülich Aachen Research Alliance

    Affiliation as printed

    Peter Grünberg Institute 6, and JARA‐FIT Forschungszentrum Jülich GmbH 52425 Jülich Germany

    Peter Grünberg Institute 7 Forschungszentrum Jülich GmbH, and JARA‐FIT 52425 Jülich Germany

12. Felix Gunkel Aachen Institute for Electronic Materials (IWE 2)

    Forschungszentrum Jülich · Jülich Aachen Research Alliance · RWTH Aachen University

    Affiliation as printed

    Institute for Electronic Materials (IWE 2), and Juelich‐Aachen Research Alliance for Fundamentals on Future Information Technology (JARA‐FIT) RWTH Aachen University 52074 Aachen Germany

    Peter Grünberg Institute 7 Forschungszentrum Jülich GmbH, and JARA‐FIT 52425 Jülich Germany

    Institute for Electronic Materials (IWE 2), and Juelich-Aachen Research Alliance for Fundamentals on Future Information Technology (JARA-FIT), RWTH Aachen University, 52074 Aachen, Germany