Abstract: Provided is a dielectric layer that has a rock salt structure in a room temperature stable phase. The dielectric layer is made of a compound having a chemical formula of BexM1-xO, where M includes one of alkaline earth metals and x has a value greater than 0 and not greater than 0.19. A semiconductor memory device also is provided that includes a capacitor composed of a lower electrode; a dielectric layer disposed on the lower electrode; and an upper electrode disposed on the dielectric layer, wherein the dielectric layer has a rocksalt structure in a room temperature stable phase and is made of a compound having a chemical formula shown below, BexM1-xO, where M comprises an alkaline earth metal and x has a value greater than 0 and not greater than 0.19.

Abstract: A method of manufacturing an electrode layer and a method of manufacturing a capacitor using the same are provided. The method of manufacturing the electrode layer includes performing a first sub-cycle sequentially providing a tin precursor and an oxygen source on a substrate, performing a second sub-cycle sequentially providing a tin precursor, a tantalum precursor, and an oxygen source on the substrate on which the first sub-cycle is performed, and repeating a cycle including the first sub-cycle and the second sub-cycle to form a tantalum-doped tin oxide layer on the substrate. A tantalum concentration in the tantalum-doped tin oxide layer is determined by the tin precursor provided in the second sub-cycle.

Abstract: The present disclosure provides a transparent thin film heater including: a metal layer; and a transparent conductive oxide layer, wherein the transparent conductive oxide layer includes a composition represented by the following Chemical Formula 1 and is doped with nitrogen: ZnxSn1?xO2??[Chemical Formula 1] wherein 0<x?0.12.

Abstract: Provided is a self-resonance tuning piezoelectric energy harvester. The self-resonance tuning piezoelectric energy harvester includes a piezoelectric beam which extends along a horizontal direction, a fixing element which fixes two ends of the piezoelectric beam, and a mass which is connected to the piezoelectric beam movably along the piezoelectric beam, wherein the mass includes a through-hole through which the piezoelectric beam passes, and makes the movement through the through-hole. According to the principle of continuous movement to the resonance position, the mass of the self-resonance tuning piezoelectric energy harvester induces the piezoelectric beam to generate displacement to the maximum and maximize the electricity production capacity of the piezoelectric energy harvester.

Abstract: Proposed is a self-resonance tuning piezoelectric energy harvester with broadband frequency, including: a piezoelectric beam which is extended along a horizontal direction; a fixing member which fixes opposite ends of the piezoelectric beam; and a mobile mass which the piezoelectric beam passes through, and which is capable of self-movement along the piezoelectric beam through a through-hole which has a free space in addition to a space which the piezoelectric beam passes through, wherein as the mobile mass moves to a position of the piezoelectric beam, generated displacement of a piezoelectric beam is increased, and as the generated displacement becomes greater than the free space, the mobile mass is fixed to a position of a piezoelectric beam at which resonance will occur.

Abstract: Provided is a composition for preventing or treating cancer, the composition including resveratrone, resveratrone glucoside, or a combination thereof as an active ingredient.

Abstract: The present disclosure provides an organic light emitting diode including a first electrode; a second electrode facing the first electrode; and an emitting material layer including a first compound and a second compound positioned between the first and second electrodes, wherein the first compound includes a hexagonal-ring moiety including one boron atom, one oxygen atom and four carbon atoms, and the second compound includes a hexagonal-ring moiety including one boron atom, one nitrogen atom and four carbon atoms, and an organic light emitting device including the organic light emitting diode.

Abstract: Disclosed is a transparent anode thin film comprising a transparent anode active material layer, wherein the transparent anode active material layer comprises a Si-based anode active material having a composition represented by the following [Chemical Formula 1]: SiNx ??[Chemical Formula 1] (wherein 0<x?1.5).

Abstract: An organic light emitting diode (OLED) includes a first emitting material layer disposed adjacently to a first electrode and a second emitting material layer disposed adjacently to a second electrode. The first emitting material layer includes a first compound having high affinity to holes and a second compound of thermally activated delayed fluorescent material, and the second emitting material layer includes a fourth compound having high affinity to electrons and implementing triplet-triplet annihilation. Two emitting material layers having adjusted energy levels allow the OLED to lower its driving voltages and improve its luminous efficiency and luminous lifetime.

Abstract: A method of manufacturing an electrode layer and a method of manufacturing a capacitor using the same are provided. The method of manufacturing the electrode layer includes performing a first sub-cycle sequentially providing a tin precursor and an oxygen source on a substrate, performing a second sub-cycle sequentially providing a tin precursor, a tantalum precursor, and an oxygen source on the substrate on which the first sub-cycle is performed, and repeating a cycle including the first sub-cycle and the second sub-cycle to form a tantalum-doped tin oxide layer on the substrate. A tantalum concentration in the tantalum-doped tin oxide layer is determined by the tin precursor provided in the second sub-cycle.

Abstract: Disclosed is a thermoelectric composite material includes a thermoelectric material including crystal grains; and a MXene inserted at boundaries of the crystal grains consisting of the thermoelectric material. Accordingly, the thermoelectric composite material may have a reduced thermal conductivity and an increased electrical conductivity. Furthermore, mechanical properties of the thermoelectric composite material may be improved. Thus, the thermoelectric composite material may improve the thermoelectric ability of a thermoelectric module including the same. A method of manufacturing the thermoelectric composite material includes coating MXene on a surface of a thermoelectric material powder including crystal grains; and sintering the thermoelectric material powder coated with the MXene to form a sintered body including the MXene inserted at boundaries of the crystal grains consisting of the thermoelectric material.

Abstract: The present invention provides a fluorescent resveratrone [(E)-4-(6,8-dihydroxynaphthalen-2-yl)but-3-en-2-one] and its derivatives having Formula 1 and a method for preparing the same by a photochemical reaction of resveratrol and its derivatives which are not fluorescent having Formula 7 or Formula 8. The new fluorescent compounds of the present invention has single-photon absorptive characteristics and/or two-photon absorptive characteristics as well as no or little toxicity according to a cytotoxicity test and can be usefully utilized in the field of organic fluorescent element, display element, spectrometer, two-photon absorptive storing device, laser micro processing apparatus, photo dynamic therapy apparatus and the like.

Abstract: The present disclosure relates to a paste for ohmic contact to p-type semiconductor, including a metal oxide and a binder, wherein the metal oxide is a rhenium oxide or a molybdenum oxide.

Abstract: Provided is a self-resonance tuning piezoelectric energy harvester. The self-resonance tuning piezoelectric energy harvester includes a piezoelectric beam which extends along a horizontal direction, a fixing element which fixes two ends of the piezoelectric beam, and a mass which is connected to the piezoelectric beam movably along the piezoelectric beam, wherein the mass includes a through-hole through which the piezoelectric beam passes, and makes the movement through the through-hole. According to the principle of continuous movement to the resonance position, the mass of the self-resonance tuning piezoelectric energy harvester induces the piezoelectric beam to generate displacement to the maximum and maximize the electricity production capacity of the piezoelectric energy harvester.

Abstract: A method for manufacturing a thermoelectric material is provided. According to the method, a first shaped body is formed from a thermoelectric powder, of which a crystal has a layer structure. An extruded body is formed by extruding the first shaped body. A plurality of cut-off pieces are formed by cutting the extruded body along a cross-section perpendicular to an extrusion direction. A second shaped body is formed by stacking and pressing the cut-off pieces along a direction perpendicular to the extrusion direction. According to the above, a thermoelectric ability of a thermoelectric material and an efficiency for manufacturing a thermoelectric module may be improved.

Abstract: Provided is a dielectric layer that has a rock salt structure in a room temperature stable phase. The dielectric layer is made of a compound having a chemical formula of BexM1-xO, where M includes one of alkaline earth metals and x has a value greater than 0 and less than 0.5.

Abstract: The present invention provides a fluorescent resveratrone [(E)-4-(6,8-dihydroxynaphthalen-2-yl)but-3-en-2-one] and its derivatives having Formula 1 and a method for preparing the same by a photochemical reaction of resveratrol and its derivatives which are not fluorescent having Formula 7 or Formula 8. The new fluorescent compounds of the present invention has single-photon absorptive characteristics and/or two-photon absorptive characteristics as well as no or little toxicity according to a cytotoxicity test and can be usefully utilized in the field of organic fluorescent element, display element, spectrometer, two-photon absorptive storing device, laser micro processing apparatus, photo dynamic therapy apparatus and the like.

Abstract: A thermoelectric composite material includes MXene inserted at a boundary of a crystal grain consisting of a thermoelectric material. Accordingly, the thermoelectric composite material may have a reduced thermal conductivity and an increased electrical conductivity. Furthermore, a mechanical property of the thermoelectric composite material may be improved. Thus, the thermoelectric composite material may improve a thermoelectric ability of a thermoelectric module.

Abstract: Disclosed is a curved piezoelectric device maximizing an electrical potential of the piezoelectric material corresponding to an external mechanical stress.

Abstract: The present invention provides a water-soluble fluorescent compound of resveratrone 6-O-?-glucoside [(E)-4-(8-hydroxy-6-(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)naphthalen-2-yl)but-3-en-2-one] and its derivatives of Formula I which have at least one water-soluble substituent, and a method for preparing the same by a photochemical reaction of resveratrol 3-O-?-glucoside and its derivatives of having Formula 3 which are not fluorescent. Said new water-soluble fluorescent compounds has single-photon absorptive characteristics and/or two-photon absorptive characteristics as well as no or little toxicity, and can be usefully utilized in fields that requires water-soluble fluorescent characteristics (diagnosis, fluorescent probe, in vivo imaging, display, etc.).