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• 1

  Article

  Plasmon-Mediated Synthesis of Periodic Arrays of Gold Nanoplates Using Substrate-Immobilized Seeds Lined with Planar Defects
  

  Author(s):

  Robert Hughes, Sergei Rouvimov, Robert Neal, Trevor B. Demille, Svetlana Neretina

  Abstract:

  The seed-mediated growth of noble metal nanostructures with planar geometries requires the use of seeds lined with parallel stacking faults so as to provide a break in symmetry in an otherwise isotropic metal. Although such seeds are now routinely synthesized using colloidal pathways, equivalent pathways have not yet been reported for the fabrication of substrate-based seeds with the same internal defect structures. The challenge is not merely to form seeds with planar defects but to do so in…

  Date Published:

  2019-07

  Record Visibility:

  Public

• 2

  Article

  Mechanisms of Self-Sustained Reaction in Mechanically Induced nanocomposites: Titanium Nitride and Boron
  

  Author(s):

  J. M. Pauls, N. F. Shkodich, A. S. Mukasyan

  Abstract:

  We report the results from the investigation of the mechanisms of self-sustained reaction in mechanically induced TiN/B nanocomposites. The exothermic displacement reaction, 3B + TiN → BN + TiB2, with an adiabatic reaction temperature of 1905 K, was initiated through two different means: localized thermal heating and mechanical stimulation by high-energy ball milling. Comprehensive studies strongly indicate that the chemical interaction in the system involves three main stages. Solid-state ma…

  Date Published:

  2019-04

  Record Visibility:

  Public