نتایج جستجو برای: nanomechanics
تعداد نتایج: 428 فیلتر نتایج به سال:
In this paper, we theoretically demonstrate the tunability of Casimir force both in sign and magnitude between parallel plates coated with dispersive materials. We show that force, existing uncharged plates, can be tuned by carefully choosing value plasma frequency (i.e., epsilon-near-zero frequency) coating neighborhood resonance cavity. The layer enables a continuous variation four limiting v...
1 University of Le Havre, Laboratoire Ondes et Milieux Complexes, UMR CNRS 6294, Le Havre, France, 2 School of Aerospace Engineering, Georgia Institute of Technology, Atlanta, GA, United States, 3 Civil, Architectural & Environmental Engineering (CAEE) Department, Drexel University, Philadelphia, PA, United States, 4 Institute of Fluid-Flow Machinery, Polish Academy of Science, Gdańsk, Poland, ...
Three-dimensional (3D) compound semiconductor architectures can be formed when strained semiconductor layers are released from the substrate by selective etching. These 3D nanostructures have potential applications in nanoelectronics, nanophotonics and nanomechanics. In this paper, we report on the formation of In0.2Ga0.8As/GaAs 3D structures using lithographically defined micronsize, open-ende...
Chemistry of energetically activated cumulenes - from allene (H2CCCH2) to hexapentaene (H2CCCCCCH2).
During the last decade, experimental and theoretical studies on the unimolecular decomposition of cumulenes (H(2)C(n)H(2)) from propadiene (H(2)CCCH(2)) to hexapentaene (H(2)CCCCCCH(2)) have received considerable attention due to the importance of these carbon-bearing molecules in combustion flames, chemical vapor deposition processes, atmospheric chemistry, and the chemistry of the interstella...
A mesoscopic model is developed for static and dynamic simulations of nanomechanics of carbon nanotubes sCNTsd. The model is based on a coarse-grained representation of CNTs as “breathing flexible cylinders” consisting of a variable number of segments. Internal interactions within a CNT are described by a mesoscopic force field designed and parameterized based on the results of atomic-level mol...
The rapid advances in nanotechnology, nanomaterials and nanomechanics offer huge potentials in national defense, homeland security, and private industry. An emphasis on nanoscale entities will make our manufacturing technologies and infrastructure more sustainable in terms of reduced energy usage and environmental pollution. Advances in the synthesis of nanoscale materials have stimulated ever-...
Piezotronics is a new field integrating piezoelectric effect into nanoelectronics, which has attracted much attention for the fundamental research and potential applications. In this paper, the piezotronic effect of zinc oxide (ZnO) nanowires, including the response of the electrical transport and photoconducting behaviors on the nanowire bending, has been investigated by in situ transmission e...
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