Non-volatile control of 2DEG conductivity at oxide interfaces

Title
Non-volatile control of 2DEG conductivity at oxide interfaces
Authors
김신익김대홍김윤정문선영강민규최종권장호원김성근최지원윤석진장혜정강종윤이수연홍성현김진상백승협
Keywords
two-dimensional electron gas; epitaxial oxide thin films; multifunctional oxide; ferroelectric
Issue Date
2013-09
Publisher
Advanced materials
Citation
VOL 25, NO 33, 4612-4617
Abstract
In summary, we have demonstrated the non-volatile control of 2DEG conductivity at LAO/STO interface using ferroelectric polarization switching of epitaxial PZT overlayer. Our work shows that 2DEG can be reversibly turned on and off with a large on/off ratio ( > 1000) in a non-volatile manner. Beyond the non-volatile control, our approach will open new opportunities to develop multifunctional nanoelectronics operating with other parameters such as magnetism, light, and spin. Moreover, our work provides a platform to explore fundamental understanding on novel physics arising from multi-dimensionally interacting phenomena.
URI
http://pubs.kist.re.kr/handle/201004/45093
ISSN
09359648
Appears in Collections:
KIST Publication > Article
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