Abstract: The spin-orbit torque-based random number generator includes a spin torque generation layer including a first spin torque layer and a second spin torque layer, a magnetization-free layer, a tunnel barrier layer, and a magnetization pinned layer, wherein the second spin torque layer is disposed between the magnetization-free layer and the first spin torque layer and generates field-like torque (FLT) and damping-like torque (DLT) related to the magnetization direction of the magnetization-free layer; the first spin torque layer adjusts a torque ratio according to the size of field-like torque to the size of damping-like torque in conjunction with the thickness of the second spin torque layer; in the magnetization-free layer, a magnetization direction is randomly aligned up or down based on the adjusted torque ratio; and a random number is generated based on current that is switched and output based on the randomly aligned magnetization direction.

Abstract: A semiconductor photoresist composition includes: an organometallic compound represented by Chemical Formula 1; and a solvent: Further, a method of forming patterns includes: forming an etching-objective layer on a substrate; coating the semiconductor photoresist composition as claimed in claim 1 on the etching-objective layer to form a photoresist layer; patterning the photoresist layer to form a photoresist pattern; and etching the etching-objective layer using the photoresist pattern as an etching mask.

Abstract: A semiconductor photoresist composition includes: an organic tin compound represented by Chemical Formula 1; and a solvent: where the detailed description of Chemical Formula 1 is as described in the specification. In addition, a method of forming patterns includes: forming an etching-objective layer on a substrate; coating the semiconductor photoresist composition on the etching-objective layer to form a photoresist layer; patterning the photoresist layer to form a photoresist pattern; and etching the etching-objective layer with the photoresist pattern as an etching mask.

Abstract: Disclosed are a cobalt-tungsten alloy and a method of fabricating the same. More particularly, cobalt-tungsten alloy nanowires according to an embodiment are formed using an electroplating method, a grain structure of the cobalt-tungsten alloy nanowires is controlled according to the content of tungsten, and the electrical resistivity of the cobalt-tungsten alloy nanowires can be reduced through annealing.

Abstract: Disclosed are a nanobarcode for controlling adhesion and differentiation of stem cells and a method of controlling adhesion and differentiation of stem cells by using nanobarcodes. The method of controlling adhesion and differentiation of stem cells of the present invention may efficiently control adhesion and differentiation of stem cells in vivo or in vitro by tuning periodicity and sequences of a ligand peptide (RGD) of a nanobarcode.

Abstract: The present invention relates to a nanohelix-substrate complex for controlling adhesion and polarization of macrophages, a manufacturing method thereof, and a method of controlling adhesion and polarization of macrophages by using the nanohelix-substrate complex, and the method of controlling adhesion and polarization of macrophages may temporally and reversibly control adhesion and phenotypic polarization of macrophages in vivo and ex vivo by controlling application/non-application of a magnetic field to the nanohelix-substrate complex.

Abstract: Disclosed are a spin-orbit torque (SOT)-based magnetic tunnel junction and a method of fabricating the same. More particularly, the SOT-based magnetic tunnel junction includes a spin-orbit torque (SOT)-based magnetic tunnel junction, including: a spin-orbit active layer formed on the substrate; a free layer formed on the spin-orbit active layer; a tunnel barrier layer formed on the free layer; and a pinned layer formed on the tunnel barrier layer, wherein the spin-orbit active layer includes a W—X alloy (where W is tungsten and X includes at least one of group IV semiconductors and group III-V semiconductors).

Abstract: The present invention relates to a nanohelix-substrate complex for controlling adhesion and polarization of macrophages, a manufacturing method thereof, and a method of controlling adhesion and polarization of macrophages by using the nanohelix-substrate complex, and the method of controlling adhesion and polarization of macrophages may temporally and reversibly control adhesion and phenotypic polarization of macrophages in vivo and ex vivo by controlling application/non-application of a magnetic field to the nanohelix-substrate complex.

Abstract: Disclosed are a semiconductor photoresist composition including an organometallic compound represented by Chemical Formula 1, and a solvent, a method of forming patterns using the same.

Abstract: Disclosed are a semiconductor photoresist composition including an organotin compound represented by Chemical Formula 1, and a solvent, a method of forming patterns using the same.

Abstract: A device and method for absorbing electromagnetic waves can include a honeycomb sheet formed by a plurality of interconnected hexagon cells arranged in rows. The hexagon cells are made up of sidewalls, each sidewall formed by two surfaces that converge at a top of the sidewall and diverge from the top to a bottom of the sidewall such that a thickness of the sidewalls increases from top to bottom and an angle forms between the two surfaces at the top of the sidewall. In an example, the angle is about 8 degrees. The honeycomb sheet can be coated with a magnetic, composite coating to increase electromagnetic shielding. An example coating includes magnetic multi-granular nanoclusters (MGNC) and multi-walled carbon nanotubes (MWCNT). A base layer can be attached to the honeycomb sheet for mechanical stability and additional absorption. The device is suitable for radar absorbing materials (RAM) for aerospace and military applications.

Abstract: The present disclosure relates to an anode active material for a sodium secondary battery, which has a layered crystal structure and is formed of nanoplatelets containing iron oxide having organic anions, and in which the nanoplatelets are provided in plural numbers and formed in a stacking structure spaced apart at a first interval.

Abstract: Disclosed herein is a technique for synthesizing chiral magnetic nanocoils using an electrodeposition technique, which can be used to fabricate magnetic nanosensors capable of generating an electric field by strongly reacting to an external magnetic field, such as Faraday's law of electromagnetic induction at the nanoscale, depending on the coil shape of the nanostructure. In accordance with one embodiment, a method of synthesizing a chiral magnetic nanocoil may include generating a primary particle composed of metal ions by applying an external electric field, binding a chiral molecule to a surface of the generated primary particle, and controlling an assembly direction of a next primary particle by the bound chiral molecule.

Abstract: The present invention relates to a fiber-nanowire composite-based sheet having super-amphiphilic characteristics. In the present invention, fibers including metal nanoparticles or metal oxide nanoparticles embedded in the fibers or located on the surface of the fibers are synthesized, and a sheet based on a composite in which metal nanowires or metal oxide nanowires have been grown from the above fibers is provided. A sheet of the present invention has super-amphiphilic characteristics and can be used in various fields such as the antibacterial filter field, the antibacterial film field, the antiviral filter field, the antiviral film field, the antifouling coating field, the drug delivery vehicle field, or the water treatment filter field.

Abstract: A semiconductor photoresist composition and a method of forming patterns using the semiconductor photoresist composition are disclosed. The semiconductor photoresist composition may include an organotin compound represented by Chemical Formula 1 and a solvent.

Abstract: Disclosed is a vehicle air conditioner capable of increasing the aft flow effective region of an inner flow path by reducing the space occupied by support parts of doors for opening/closing a plurality of regions. The vehicle air conditioner comprises: an air-conditioning case in which an air flow path is formed; and a cooling heat exchanger and a heating heat exchanger provided in the air flow path of the air-conditioning case, wherein the air flow path is partitioned and divided into a plurality of regions, and has a plurality of doors for opening/closing each region and a shaft for driving the doors, and the distance between one door and the shaft is different from the distance between another door and the shaft.

Abstract: The present invention relates to a fiber-nanowire composite-based sheet having super-amphiphilic characteristics. In the present invention, fibers including metal nanoparticles or metal oxide nanoparticles embedded in the fibers or located on the surface of the fibers are synthesized, and a sheet based on a composite in which metal nanowires or metal oxide nanowires have been grown from the above fibers is provided. A sheet of the present invention has super-amphiphilic characteristics and can be used in various fields such as the antibacterial filter field, the antibacterial film field, the antiviral filter field, the antiviral film field, the antifouling coating field, the drug delivery vehicle field, or the water treatment filter field.

Abstract: Disclosed are a nanobarcode for controlling adhesion and polarization of macrophages and a method of controlling adhesion and polarization of macrophages by using nanobarcodes. The method of controlling adhesion and polarization of macrophages of the present invention may efficiently control adhesion and phenotypic polarization of macrophages in vivo or in vitro by tuning periodicity and sequences of ligand peptide (RGD) of a nanobarcode.

Abstract: Provided are a semiconductor photoresist composition including an organotin compound represented by Chemical Formula 1 and a solvent, and a method of forming patterns using the same. The method of forming patterns may include forming an etching-objective layer on a substrate, coating the semiconductor photoresist composition on the etching-objective layer to form a photoresist layer, patterning the photoresist layer to form a photoresist pattern, and etching the etching-objective layer using the photoresist pattern as an etching mask.

Abstract: An air conditioner for a vehicle including an air-conditioning case divided into a plurality of air passageways by a separation wall. A heating heat exchanger is disposed inside the air-conditioning case and exchanges heat with air to heat the interior of the vehicle. A perforated member is disposed at a downstream side of the heating heat exchanger and has a plurality of perforated holes through which the air passing the heating heat exchanger passes, and a partition wall is disposed between the heating heat exchanger and the perforated member to divide the air passageway of the air-conditioning case into a plurality of air passageways, wherein the partition wall is formed integrally with the perforated member.