journal article·2020-10-27Open access

Probing Charge Accumulation at SrMnO3/SrTiO3 Heterointerfaces via Advanced Electron Microscopy and Spectroscopy

Hongguang Wang, Vesna Srot, Xijie Jiang, Min Yi, Yi Wang, Hans Boschker, Rotraut Merkle, Robert W. Stark, Jochen Mannhart, Peter A. van Aken

ACS Nano· Volume 14· Issue 10

Abstract

/unit cell (uc) at the first SMO monolayer. Based on quantitative atomic-scale STEM analyses and first-principle calculations, we explore the origin of interfacial charge accumulation in terms of epitaxial strain-favored oxygen vacancies, cationic interdiffusion, interfacial charge transfer, and space-charge effects. This study, therefore, provides a comprehensive description of the charge distribution and related mechanisms at the SMO/STO heterointerfaces, which is beneficial for the functionality manipulation via charge engineering at interfaces.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Electronic and Structural Properties of Oxides · Magnetic and transport properties of perovskites and related materials · Multiferroics and related materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Max Planck Institute for Solid State Research, 70569 Stuttgart, Germany

Institute of Materials Science, Technische Universität Darmstadt, 64287 Darmstadt, Germany

State Key Lab of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics (NUAA), Nanjing 210016, China

Funding

Deutsche Forschungsgemeinschaft · Max-Planck-Gesellschaft · Horizon 2020 Framework Programme · China Scholarship Council · National Natural Science Foundation of China · State Key Laboratory of Mechanics and Control of Mechanical Structures · Central People's Government of the People's Republic of China

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