Electronic and Structural Transitions of LaAlO3/SrTiO3 Heterostructure Driven by Polar Field‐Assisted Oxygen Vacancy Formation at the Surface

Electronic and Structural Transitions of LaAlO3/SrTiO3 Heterostructure Driven by Polar Field‐Assisted Oxygen Vacancy Formation at the Surface

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Abstract The origin of 2D electron gas (2DEG) at LaAlO3/SrTiO3 (LAO/STO) interfaces has remained highly controversial since its discovery. Various models are proposed, which include electronic reconstruction via surface‐to‐interface charge transfer and defect‐mediated doping involving cation intermi...

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Bibliographic Details
Main Authors: Kyung Song, Taewon Min, Jinsol Seo, Sangwoo Ryu, Hyungwoo Lee, Zhipeng Wang, Si‐Young Choi, Jaekwang Lee, Chang‐Beom Eom, Sang Ho Oh
Format: Article
Language:English
Published: Wiley 2021-07-01
Series:Advanced Science
Subjects:
2D electron gas
antiferrodistortive rotation
LaAlO3/SrTiO3
oxygen vacancy
STEM
Online Access:https://doi.org/10.1002/advs.202002073

Internet

https://doi.org/10.1002/advs.202002073

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