Electrostatic All-Passive Force Clamping of Charged Nanoparticles
Tuna Y, Al-Hiyasat A, Kashkanova AD, Dechant A, Lutz E, Sandoghdar V (2025)
Publication Type: Journal article
Publication year: 2025
Journal
Abstract
In the past decades, many techniques have been explored for trapping microscopic and nanoscopic objects, but the investigation of nano-objects under arbitrary forces and conditions remains nontrivial. One fundamental case concerns the motion of a particle under a constant force, known as force clamping. Here, we employ metallic nanoribbons embedded in a glass substrate in a capacitor configuration to generate a constant electric field on a charged nanoparticle in a water-filled glass nanochannel. We estimate the force fields from Brownian trajectories over several micrometers and confirm the constant behavior of the forces both numerically and experimentally. Furthermore, we manipulate the diffusion and relaxation times of the nanoparticles by tuning the charge density on the electrode. Our highly compact and controllable setting allows for the trapping and force-clamping of charged nanoparticles in a solution, providing a platform for investigating nanoscopic diffusion phenomena.
Authors with CRIS profile
Involved external institutions
Massachusetts Institute of Technology (MIT)
United States (USA) (US)
Max-Planck-Institut für die Physik des Lichts (MPL) / Max Planck Institute for the Science of Light
Germany (DE)
Universität Stuttgart
Germany (DE)
United States (USA) (US)
Max-Planck-Institut für die Physik des Lichts (MPL) / Max Planck Institute for the Science of Light
Germany (DE)
Universität Stuttgart
Germany (DE)
How to cite
APA:
Tuna, Y., Al-Hiyasat, A., Kashkanova, A.D., Dechant, A., Lutz, E., & Sandoghdar, V. (2025). Electrostatic All-Passive Force Clamping of Charged Nanoparticles. ACS nano. https://doi.org/10.1021/acsnano.4c17299
MLA:
Tuna, Yazgan, et al. "Electrostatic All-Passive Force Clamping of Charged Nanoparticles." ACS nano (2025).
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