نتایج جستجو برای: propelled insert
تعداد نتایج: 15183 فیلتر نتایج به سال:
We study how inertia affects the behavior of self-propelled particles moving through a viscous solvent by employing underdamped version active Ornstein–Uhlenbeck model. consider both potential-free and harmonically confined investigate single-particle trajectories change as drag coefficient is varied. In cases, we obtain matrix correlations between position, velocity, self-propulsion explicit f...
Light-activated self-propelled colloids are synthesized and their active motion is studied using optical microscopy. We propose a versatile route using different photoactive materials, and demonstrate a multiwavelength activation and propulsion. Thanks to the photoelectrochemical properties of two semiconductor materials (α-Fe2O3 and TiO2), a light with an energy higher than the bandgap trigger...
This paper describes our work to magnetically steer self-propelled devices which move by catalysis of hydrogen peroxide. We demonstrate manipulation of paramagnetic particles with a diameter of 100μm to a given setpoint by means of magnetic field gradients, as well as self-propelled movement of gold-platinum rods. We discuss how to reach magnetic torque control of catalytic micro motors.
We report that liquids perform self-propelled motion when they are placed in contact with hot surfaces with asymmetric (ratchetlike) topology. The pumping effect is observed when the liquid is in the Leidenfrost regime (the film-boiling regime), for many liquids and over a wide temperature range. We propose that liquid motion is driven by a viscous force exerted by vapor flow between the solid ...
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