Powerful, multifunctional torsional micromuscles activated by phase transition

Kai Liu; Chun Cheng; Joonki Suh; Robert Tang-Kong; Deyi Fu; Sangwook Lee; Jian Zhou; Leon O. Chua; Junqiao Wu

doi:10.1002/adma.201304064

Powerful, multifunctional torsional micromuscles activated by phase transition

Kai Liu, Chun Cheng, Joonki Suh, Robert Tang-Kong, Deyi Fu, Sangwook Lee, Jian Zhou, Leon O. Chua, Junqiao Wu

Research output: Contribution to journal › Article › peer-review

81 Scopus citations

Abstract

Micro bimorph coils driven by a metalinsulator phase transition in VO ₂ function as powerful torsional muscles. Reversible torsional motion over one million cycles without degradation is demonstrated, with a superior rotational speed up to ca. 200 000 rpm, an amplitude of 500° per mm length, and a power density up to ca. 39 kW kg^-1.

Original language	English
Pages (from-to)	1746-1750
Number of pages	5
Journal	Advanced Materials
Volume	26
Issue number	11
DOIs	https://doi.org/10.1002/adma.201304064
State	Published - 19 Mar 2014

Keywords

memristor
multifunctional muscle
phase transition
proximity sensor
torsional microactuator

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10.1002/adma.201304064

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title = "Powerful, multifunctional torsional micromuscles activated by phase transition",

abstract = "Micro bimorph coils driven by a metalinsulator phase transition in VO 2 function as powerful torsional muscles. Reversible torsional motion over one million cycles without degradation is demonstrated, with a superior rotational speed up to ca. 200 000 rpm, an amplitude of 500° per mm length, and a power density up to ca. 39 kW kg-1.",

keywords = "memristor, multifunctional muscle, phase transition, proximity sensor, torsional microactuator",

author = "Kai Liu and Chun Cheng and Joonki Suh and Robert Tang-Kong and Deyi Fu and Sangwook Lee and Jian Zhou and Chua, {Leon O.} and Junqiao Wu",

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T1 - Powerful, multifunctional torsional micromuscles activated by phase transition

AU - Liu, Kai

AU - Cheng, Chun

AU - Suh, Joonki

AU - Tang-Kong, Robert

AU - Fu, Deyi

AU - Lee, Sangwook

AU - Zhou, Jian

AU - Chua, Leon O.

AU - Wu, Junqiao

PY - 2014/3/19

Y1 - 2014/3/19

N2 - Micro bimorph coils driven by a metalinsulator phase transition in VO 2 function as powerful torsional muscles. Reversible torsional motion over one million cycles without degradation is demonstrated, with a superior rotational speed up to ca. 200 000 rpm, an amplitude of 500° per mm length, and a power density up to ca. 39 kW kg-1.

AB - Micro bimorph coils driven by a metalinsulator phase transition in VO 2 function as powerful torsional muscles. Reversible torsional motion over one million cycles without degradation is demonstrated, with a superior rotational speed up to ca. 200 000 rpm, an amplitude of 500° per mm length, and a power density up to ca. 39 kW kg-1.

KW - memristor

KW - multifunctional muscle

KW - phase transition

KW - proximity sensor

KW - torsional microactuator

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U2 - 10.1002/adma.201304064

DO - 10.1002/adma.201304064

M3 - Article

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VL - 26

SP - 1746

EP - 1750

JO - Advanced Materials

JF - Advanced Materials

IS - 11

ER -

Powerful, multifunctional torsional micromuscles activated by phase transition

Abstract

Keywords

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