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Assembling Magnetic Nanoparticles on Nanomechanical Resonators for Torque Magnetometry.

ABSTRACT: We report a highly compliant process for patterning nanoparticle arrays on micro- and nanomechanical devices. The distinctive step involves the single layer self-assembled nanoparticles on top of released nanomechanical devices. We demonstrate the process by fabricating sizable arrays of nanomechanical devices on silicon-on-insulator substrates, acting as nanomechanical torque magnetometers. Later, the nanoparticles were self-assembled in geometrical shapes on top of the devices by a unique combination of top-down and bottom-up methods. The self-assembled array of nanoparticles successfully showed a magnetic torque signal by magnetic actuation of the magnetometer. This patterning process can be generalized for any shape and for a wide range of nanoparticles on the nanomechanical resonators.

SUBMITTER: Firdous T

PROVIDER: S-EPMC7037736 | biostudies-literature | 2020 Feb

REPOSITORIES: biostudies-literature

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Assembling Magnetic Nanoparticles on Nanomechanical Resonators for Torque Magnetometry.

Firdous Tayyaba T Potter David K DK

International journal of molecular sciences 20200202 3

We report a highly compliant process for patterning nanoparticle arrays on micro- and nanomechanical devices. The distinctive step involves the single layer self-assembled nanoparticles on top of released nanomechanical devices. We demonstrate the process by fabricating sizable arrays of nanomechanical devices on silicon-on-insulator substrates, acting as nanomechanical torque magnetometers. Later, the nanoparticles were self-assembled in geometrical shapes on top of the devices by a unique comb ...[more]

PMID: 32024227

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