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- Title
Surface Polarity Dynamics in Oxygen-Deintercalated Nickelate Thin Films.
- Authors
Yang, Chao; Pons, Rebecca; Sigle, Wilfried; Wang, Hongguang; Benckiser, Eva; Logvenov, Gennady; Keimer, Bernhard; Aken, Peter A van
- Abstract
This article, published in Microscopy & Microanalysis, explores the role of surface polarity in influencing the electronic and structural characteristics of oxide thin films. The study focuses on oxygen-deintercalated nickelate thin films and uses advanced scanning transmission electron microscopy techniques to investigate the atomic and electronic structures, as well as the electrostatic charge distribution near the surface. The findings reveal a profound polar distortion at the surface, induced by oxygen de-intercalation, which triggers surface reconstruction. This research provides valuable insights into the interplay between surface polarity, electronic structure, and structural transformations in oxide thin films.
- Subjects
SCANNING transmission electron microscopy; TWO-dimensional electron gas; SURFACE reconstruction; THIN films; OXIDE coating; ELECTRON energy loss spectroscopy
- Publication
Microscopy & Microanalysis, 2024, Vol 30, p1
- ISSN
1431-9276
- Publication type
Article
- DOI
10.1093/mam/ozae044.1065