摘要:
In one aspect of the present invention, an article is described, including a polymer layer; and a composite layer disposed on the polymer layer. The composite layer includes a thermoplastic polymer, which contains at least one inorganic component having selected dimensions; wherein the largest dimension of the inorganic component is less than about 1 micrometer. The composite layer has a dielectric constant, which is at least about 30 percent greater than the dielectric constant of the polymer layer. The article has a breakdown strength of at least about 150 kV/mm. Related devices are also described.
摘要:
A capacitor comprises a substrate layer, a first electrode layer disposed on the substrate layer, and a first dielectric layer disposed on the electrode layer. The dielectric layer comprises inorganic ferroelectric or antiferroelectric particles, and a polymeric material having an elongation less than or equal to about 5 percent.
摘要:
A composition includes a sintered mass having a plurality of cores and a grain boundary layer disposed between each of the plurality of cores. The core includes a transition metal oxide, and grain boundary layer includes a sintering additive, a grain growth inhibitor additive and a grain boundary additive.
摘要:
A nonlinear composition comprises a polymeric material and at least one ferroelectric, antiferroelectric, or paraelectric particle, wherein the composition has a permittivity greater than or equal to about 5. A method of making a nonlinear composition comprises combining a polymeric material, and at least one ferroelectric, antiferroelectric, or paraelectric particle. The composition has a permittivity greater than or equal to about 5.
摘要:
Disclosed herein is a composition comprising a composition comprising a polymeric material; and a ceramic antiferroelectric particle. Disclosed herein too is a method of tuning a dielectric constant of a composition comprising subjecting a composition comprising a polymeric material and a ceramic antiferroelectric particle to a biasing electric field; and changing the dielectric constant of the composition. Disclosed herein too is a method comprising blending a polymeric material with ceramic antiferroelectric particles to form a composition. Disclosed herein too is a method comprising blending a polymeric material with ceramic antiferroelectric particles to form a composition; applying an electrical field to the composition; and reorienting the ceramic antiferroelectric particles.
摘要:
An article having a cyanoresin dielectric film is described. The cyanoresin dielectric film includes nanostructures of a toughening material. A method of forming such a cyanoresin dielectric film is also described. A capacitor having a cyanoresin dielectric film is presented.
摘要:
A cyanoresin polymer is described, wherein about 10 percent to about 60 percent of the side chains on the polymer include a cyano group; and substantially all of the remaining polymer side chains include a hydroxyl group. A method of forming such a cyanoresin polymer is described. A capacitor having a dielectric film including such a cyanoresin polymer is also presented.
摘要:
In one aspect of the present invention, a method for increasing the dielectric breakdown strength of a polymer is described. The method comprises providing the polymer and contacting a surface of the polymer in a reaction chamber with a gas plasma, under specified plasma conditions. The polymer is selected from the group consisting of a polymer having a glass transition temperature of at least about 150° C., and a polymer composite comprising at least one inorganic constituent. The contact with the gas plasma is carried out for a period of time sufficient to incorporate additional chemical functionality into a surface region of the polymer film, to provide a treated polymer. Also provided are an article and method of manufacture.
摘要:
Disclosed herein is a method of making a polymer composite composition comprising blending a polymeric material precursor with nanoparticles, wherein each nanoparticle comprises a substrate and a coating composition disposed on the substrate; and polymerizing the polymeric material precursor to form a polymeric material, wherein the nanoparticles are dispersed within the polymeric material to form a polymer composition.
摘要:
A capacitor comprises a substrate layer, a first electrode layer disposed on the substrate layer, and a first dielectric layer disposed on the electrode layer. The dielectric layer comprises a polymeric material having an elongation less than or equal to about 5 percent.