Phase locking of the rotation of a graphene nanoplatelet to an RF electric field in a quadrupole ion trap

Joyce E. Coppock; Pavel Nagornykh; Jacob P. J. Murphy; Bruce E. Kane

doi:10.1117/12.2238200

16 September 2016 Phase locking of the rotation of a graphene nanoplatelet to an RF electric field in a quadrupole ion trap

Joyce E. Coppock, Pavel Nagornykh, Jacob P. J. Murphy, Bruce E. Kane

Author Affiliations +

Proceedings Volume 9922, Optical Trapping and Optical Micromanipulation XIII; 99220E (2016) https://doi.org/10.1117/12.2238200
Event: SPIE Nanoscience + Engineering, 2016, San Diego, California, United States

Abstract

Particle trapping technologies provide the opportunity to study two-dimensional materials that are fully decoupled from substrates. We investigate the dynamics of a rotating micron-scale graphene particle that is levitated in high vacuum in a quadrupole ion trap and probed via optical scattering. The particle is spun to frequencies ranging from hundreds of kHz to above 50 MHz using a circularly polarized laser. We observe phase locking of particle rotation frequency to an applied RF electric field. The rotation frequency can be adjusted by changing the applied field frequency. We discuss prospects for measurements of particle properties enabled by this technique.

Conference Presentation

Citation Download Citation

Joyce E. Coppock, Pavel Nagornykh, Jacob P. J. Murphy, and Bruce E. Kane "Phase locking of the rotation of a graphene nanoplatelet to an RF electric field in a quadrupole ion trap", Proc. SPIE 9922, Optical Trapping and Optical Micromanipulation XIII, 99220E (16 September 2016); https://doi.org/10.1117/12.2238200

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