Hostname: page-component-77f85d65b8-zzw9c Total loading time: 0 Render date: 2026-04-18T16:58:00.844Z Has data issue: false hasContentIssue false

Strain-controlled Graphene-Polymer Angular Actuator

Published online by Cambridge University Press:  19 June 2019

S. Matt Gilbert
Affiliation:
Department of Physics, University of California, Berkeley, CA, 94720 Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720 Kavli Energy Nanosciences Institute, Berkeley, CA, 94720
Adam Molnar
Affiliation:
Department of Physics, University of California, Berkeley, CA, 94720 Kavli Energy Nanosciences Institute, Berkeley, CA, 94720
Donez Horton-Bailey
Affiliation:
Department of Physics, University of California, Berkeley, CA, 94720 Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720 Kavli Energy Nanosciences Institute, Berkeley, CA, 94720
Helen Y. Yao
Affiliation:
Department of Physics, University of California, Berkeley, CA, 94720 Kavli Energy Nanosciences Institute, Berkeley, CA, 94720
Alex Zettl*
Affiliation:
Department of Physics, University of California, Berkeley, CA, 94720 Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720 Kavli Energy Nanosciences Institute, Berkeley, CA, 94720
*
Get access

Abstract

We demonstrate a suspended graphene-(poly(methyl methacrylate) (PMMA) polymer angular displacement actuator enabled by variable elastic modulus of the perforated stacked structure. Azimuthal flexures support a central disc-shaped membrane, and compression of the membrane can be used to control the rotation of the entire structure. Irradiating the PMMA on graphene stack with 5 kV electrons in a convention scanning electron microscope reduces the elastic modulus of the PMMA and allows graphene’s built in strain to dominate and compress the flexures, thus rotating the actuator.

Information

Type
Articles
Copyright
Copyright © Materials Research Society 2019 

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

Article purchase

Temporarily unavailable