Abstract: A computing system includes: a voronoi tessellation formation module configured to form a voronoi tessellation for a solid separator; a modified tessellation generation module, coupled to the voronoi tessellation formation module, configured to: generate a modified tessellation by removing from the voronoi tessellation a node, an edge, or a combination thereof associated with a cation polygon except where the edge is less than an exception threshold, determine a channel dimensionality, a bottleneck size, a critical radius, or a combination thereof based on the modified tessellation; and a viability determination module, coupled to the modified tessellation generation module, configured to determine a viability of the solid separator based on the channel dimensionality, the bottleneck size, the critical radius, or a combination thereof.

Abstract: A phase change memory device includes a switching device and a storage node connected to the switching device. The storage node includes a bottom stack, a phase change layer disposed on the bottom stack and a top stack disposed on the phase change layer. The phase change layer includes a unit for increasing a path of current flowing through the phase change layer and reducing a volume of a phase change memory region. The area of a surface of the unit disposed opposite to the bottom stack is greater than or equal to the area of a surface of the bottom stack in contact with the phase change layer.

Abstract: Disclosed herein are an aromatic imide-based dispersant for CNTs and a carbon nanotube composition comprising the same. Having an aromatic ring structure advantageously realizing adsorption on carbon nanotubes, the dispersant, even if used in a small amount, can disperse a large quantity of carbon nanotubes.

Abstract: A light-emitting device that improves the injection efficiency of electrons or holes by providing electrons or holes to an emitting layer using nano size needles, including a first electrode with a first polarity a second electrode with a second polarity opposite to the first polarity an emitting layer interposed between the first electrode and the second electrode to emit light and a plurality of conductive needles inserted in the first electrode and extending toward the emitting layer.

Abstract: A method of forming a nano-particle array by convective assembly and a convective assembly apparatus for the same are provided. The method of forming nano-particle array comprises: coating a plurality of nano-particles by forming a coating layer; performing a first convective assembly by moving a first substrate facing, in parallel to and spaced apart from a second substrate at a desired distance such that a colloidal solution including the coated nano-particles is between the first and second substrate; and performing a second convective assembly for evaporating a solvent by locally heating a surface of the colloidal solution drawn when the first substrate is moved in parallel relative to the second substrate. The present invention provides the method of forming the nano-particle array where nano-particles having a particle size from a few to several tens of nanometers are uniformly arrayed on a large area substrate at a low cost, and the convective assembly apparatus for the same.

Abstract: A method of forming a nano-particle array by convective assembly and a convective assembly apparatus for the same are provided. The method of forming nano-particle array comprises: coating a plurality of nano-particles by forming a coating layer; performing a first convective assembly by moving a first substrate facing, in parallel to and spaced apart from a second substrate at a desired distance such that a colloidal solution including the coated nano-particles is between the first and second substrate; and performing a second convective assembly for evaporating a solvent by locally heating a surface of the colloidal solution drawn when the first substrate is moved in parallel relative to the second substrate. The present invention provides the method of forming the nano-particle array where nano-particles having a particle size from a few to several tens of nanometers are uniformly arrayed on a large area substrate at a low cost, and the convective assembly apparatus for the same.

Abstract: An organic electrolytic solution comprising a nonaqueous solvent and a lithium salt, wherein the organic electrolytic solution comprises a compound of Formula 1 and at least one selected from compounds of Formulas 2 through 5: wherein R1 a C1˜C10 alkoxy group, wherein R2 and R3 are independently unsubstituted C1˜C5 alkyl group or C1˜C5 alkyl group substituted with halogen atom, wherein n is an integer between 1 and 6.

Abstract: Disclosed herein are an aromatic imide-based dispersant for CNTs and a carbon nanotube composition comprising the same. Having an aromatic ring structure advantageously realizing adsorption on carbon nanotubes, the dispersant, even if used in a small amount, can disperse a large quantity of carbon nanotubes.

Abstract: A nanowire light emitting device is provided. The nanowire light emitting device includes a substrate, a first conductive layer formed on the substrate, a plurality of nanowires vertically formed on the first conductive layer, each nanowire comprising a p-doped portion and an n-doped portion, a light emitting layer between the p-doped portion and the n-doped portion, a second conductive layer formed on the nanowires, and an insulating polymer in which a light emitting material is embedded, filling a space between the nanowires. The color of light emitted from the light emitting layer varies according to the light emitting material.

Abstract: A phase change memory device includes a switching device and a storage node connected to the switching device. The storage node includes a bottom stack, a phase change layer disposed on the bottom stack and a top stack disposed on the phase change layer. The phase change layer includes a unit for increasing a path of current flowing through the phase change layer and reducing a volume of a phase change memory region. The area of a surface of the unit disposed opposite to the bottom stack is greater than or equal to the area of a surface of the bottom stack in contact with the phase change layer.

Abstract: A phase change memory device includes a switching device and a storage node connected to the switching device. The storage node includes a bottom stack, a phase change layer disposed on the bottom stack and a top stack disposed on the phase change layer. The phase change layer includes a unit for increasing a path of current flowing through the phase change layer and reducing a volume of a phase change memory region. The area of a surface of the unit disposed opposite to the bottom stack is greater than or equal to the area of a surface of the bottom stack in contact with the phase change layer.

Abstract: Disclosed herein are an aromatic imide-based dispersant for CNTs and a carbon nanotube composition comprising the same. Having an aromatic ring structure advantageously realizing adsorption on carbon nanotubes, the dispersant, even if used in a small amount, can disperse a large quantity of carbon nanotubes.

Abstract: Disclosed herein are an aromatic imide-based dispersant for CNTs and a carbon nanotube composition comprising the same. Having an aromatic ring structure advantageously realizing adsorption on carbon nanotubes, the dispersant, even if used in a small amount, can disperse a large quantity of carbon nanotubes.

Abstract: A light-emitting device that improves the injection efficiency of electrons or holes by providing electrons or holes to an emitting layer using nano size needles, including a first electrode with a first polarity a second electrode with a second polarity opposite to the first polarity an emitting layer interposed between the first electrode and the second electrode to emit light and a plurality of conductive needles inserted in the first electrode and extending toward the emitting layer.

Abstract: A light-emitting device that improves the injection efficiency of electrons or holes by providing electrons or holes to an emitting layer using nano size needles, including a first electrode with a first polarity a second electrode with a second polarity opposite to the first polarity an emitting layer interposed between the first electrode and the second electrode to emit light and a plurality of conductive needles inserted in the first electrode and extending toward the emitting layer.

Abstract: A cathode active material for a lithium rechargeable battery is provided. The cathode active material is used for a lithium rechargeable battery containing a cathode, an anode, and an electrolytic solution. The cathode active material is composed of 0.5% by weight or less carbonate ion (CO32?) plus bicarbonate ion (HCO3?) and 0.1% by weight or less hydroxyl ion (OH?). The swelling of lithium battery containing the cathode active material is substantially suppressed when is placed at 60° C. or more.

Abstract: An organic electrolytic solution and a rechargeable lithium battery comprising the same is provided. The organic electrolytic solution contains a lithium salt and an organic solvent mixture. The organic solvent mixture is comprised of a solvent with high permittivity, a solvent with a low boiling point, and a cyclic organic compound having at least an oxy-carbonyl group and having a ring structure of 6 units or more. The organic electrolytic solution helps to increase reduction decomposition stability in the lithium battery using the same. As a result, the irreversible capacity of the lithium battery at a first cycle decreases and charge/discharge efficiency and lifespan of the lithium battery increases. In addition, the battery thickness is maintained within a specific range at room temperature after formation and standard charging, which improves the reliability of the lithium battery.

Abstract: Example embodiments relate to nonvolatile semiconductor memory devices using an electric charge storing layer as a storage node and fabrication methods thereof. An electric charge trap type nonvolatile memory device may include a tunneling film, an electric charge storing layer, a blocking insulation film, and a gate electrode. The blocking insulation film may be an aluminum oxide having an energy band gap larger than that of a ?-phase aluminum oxide film. An ?-phase crystalline aluminum oxide film as a blocking insulation film may have an energy band gap of about 7.0 eV or more along with fewer defects. The crystalline aluminum oxide film may be formed by providing a source film (e.g., AlF3 film) on or within a preliminary blocking insulation film (e.g., amorphous aluminum oxide film) and performing a heat treatment. Alternatively, an aluminum compound (e.g., AlF3) may be introduced into the preliminary blocking insulation film by other diffusion methods or ion implantation.

Abstract: An organic electrolytic solution comprising a nonaqueous solvent and a lithium salt, wherein the organic electrolytic solution comprises a compound of Formula 1 and at least one selected from compounds of Formulas 2 through 5: wherein R1, a C1˜C10 alkoxy group, wherein R2 and R3 are independently unsubstituted C1˜C5 alkyl group or C1˜C5 alkyl group substituted with halogen atom, wherein n is an integer between 1 and 6.

Abstract: A nanowire light emitting device is provided. The nanowire light emitting device includes a substrate, a first conductive layer formed on the substrate, a plurality of nanowires vertically formed on the first conductive layer, each nanowire comprising a p-doped portion and an n-doped portion, a light emitting layer between the p-doped portion and the n-doped portion, a second conductive layer formed on the nanowires, and an insulating polymer in which a light emitting material is embedded, filling a space between the nanowires. The color of light emitted from the light emitting layer varies according to the light emitting material.