期刊
NATURE COMMUNICATIONS
卷 11, 期 1, 页码 -出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/s41467-019-14234-7
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资金
- National Key Research and Development Program of China [2016YFA0202703]
- National Natural Science Foundation of China [51432005, 61574018, 61704008, 61904012]
- Hundred Talents Program of the Chinese Academy of Science
Bioinspired electronics are rapidly promoting advances in artificial intelligence. Emerging AI applications, e.g., autopilot and robotics, increasingly spur the development of power devices with new forms. Here, we present a strain-controlled power device that can directly modulate the output power responses to external strain at a rapid speed, as inspired by human reflex. By using the cantilever-structured AlGaN/AlN/GaN-based high electron mobility transistor, the device can control significant output power modulation (2.30-2.72x10(3)Wcm(-2)) with weak mechanical stimuli (0-16mN) at a gate bias of 1V. We further demonstrate the acceleration-feedback-controlled power application, and prove that the output power can be effectively adjusted at real-time in response to acceleration changes, i.e., Delta P of 72.78-132.89Wcm(-2) at an acceleration of 1-5G at a supply voltage of 15V. Looking forward, the device will have great significance in a wide range of AI applications, including autopilot, robotics, and human-machine interfaces.
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