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(levitation)
787 results
  • Contactless, programmable acoustofluidic manipulation of objects on water. [Journal Article]
    Lab Chip 2019; 19(20):3397-3404Zhang P, Chen C, … Huang TJ
  • Contact-free manipulation of small objects (e.g., cells, tissues, and droplets) using acoustic waves eliminates physical contact with structures and undesired surface adsorption. Pioneering acoustic-based, contact-free manipulation techniques (e.g., acoustic levitation) enable programmable manipulation but are limited by evaporation, bulky transducers, and inefficient acoustic coupling in air. He…
  • Oxidation of Levitated exo-Tetrahydrodicyclopentadiene Droplets Doped with Aluminum Nanoparticles. [Journal Article]
    J Phys Chem Lett 2019; 10(19):5756-5763Lucas M, Brotton SJ, … Kaiser RI
  • Advancement of the next generation of air-breathing propulsion systems will require developing novel high-energy fuels by adding high energy-density materials such as aluminum to enhance fuel performance. We present original measurements, obtained by exploiting the ultrasonic levitation technique, to elucidate the oxidation of exo-tetrahydrodicyclopentadiene (JP-10; C10H16) droplets doped with 80…
  • Neural-network-based iterative learning control of nonlinear systems. [Journal Article]
    ISA Trans 2019Patan K, Patan M
  • This work reports on a novel approach to effective design of iterative learning control of repetitive nonlinear processes based on artificial neural networks. The essential idea discussed here is to enhance the iterative learning scheme with neural networks applied for controller synthesis as well as for system output prediction. Consequently, an iterative control update rule is developed through…
  • Long-Range Mass Transport during Structural Transitions in Metallic Glass-Forming Melts. [Journal Article]
    Phys Rev Lett 2019; 123(5):055502Jonas I, Yang F, Meyer A
  • We investigate the structure and dynamics of the bulk metallic glass-forming alloys Zr_{41.2}Ti_{13.8}Cu_{12.5}Ni_{10}Be_{22.5} and Zr_{58.5}Cu_{15.6}Ni_{12.8}Al_{10.3}Nb_{2.8}. Combining in situ synchrotron x-ray diffraction and quasielastic neutron scattering with electrostatic levitation, we directly observe an abrupt change in the temperature dependence of the first structure factor maximum o…
  • Casimir-Lifshitz Force Based Optical Resonators. [Journal Article]
    J Phys Chem Lett 2019; 10(19):5856-5860Esteso V, Carretero-Palacios S, Míguez H
  • We theoretically investigate the building of optical resonators based on the levitation properties of thin films subjected to strong repulsive Casimir-Lifshitz forces when immersed in an adequate medium and confronted with a planar substrate. We propose a design in which cavities supporting high Q-factor optical modes at visible frequencies can be achieved by means of combining commonly found mat…
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