期刊
CURRENT APPLIED PHYSICS
卷 17, 期 5, 页码 626-639出版社
ELSEVIER
DOI: 10.1016/j.cap.2017.02.020
关键词
2DEG; Oxide heterointerface; LaAlO3/SrTiO3; Complex oxides; Perovskite oxides
资金
- Future Material Discovery Program [NRF-2016M3D1A1027666]
- Nano Material Technology Development Program through the National Research Foundation of Korea [2016M3A7B4910]
- International Energy Joint R&D Program through the Korea Institute of Energy Technology Evaluation and Planning [20168510011350]
- Korea Evaluation Institute of Industrial Technology (KEIT) [20168510011350] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [2016M3A7B4910495, 2016M3D1A1027666] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Recently, advances in creating complex oxide heterostructures in atomic scale and research on special properties appears at the interfaces between two different transition-metal oxides, have promoted a new era of materials and physics research. At the heterointerface, unexpected properties could be detected which does not exist in the bulk. Two-dimensional electron gas (2DEG) at the oxide heterointerface between two insulating dielectric perovskite oxides, LaAlO3 and SrTiO3, has attracted tremendous attention with the metallic conductivity at the interface since its discovery in 2004. Intensive experimental and theoretical studies have showed that 2DEG at the oxide heterointerface exhibits a vast diversity of novel properties including superconductivity, ferromagnetism, and field induced metal insulator phase transitions. In this review, the origin and important factors of 2DEG at the oxide heterointerface and the way to manipulate this interfacial system will be discussed. (C) 2017 Elsevier B.V. All rights reserved.
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