Abstract:
본 발명은 철 산화물 박막을 화학 증착법으로 제조하여 차세대 비휘발성 기억 소자 중 하나인 ReRAM(Resistance Random Access Memory)용 철 산화막 층을 형성하는 방법에 관한 것으로, 제조된 철 산화물 박막이 우수한 박막 특성과 저항 전환(resistance switching) 현상을 보여, 이를 ReRAM 소자에 적용할 경우 우수한 소자 특성을 나타낼 것으로 기대된다. 철 아미노알콕사이드, 철 선구물질, 철 산화물, 박막, MOCVD, ALD, ReRAM
Abstract:
본 발명은 니켈 산화물 박막 형성 방법과 이를 이용한 비정질 실리콘 박막의 결정화 방법에 관한 것으로 특히, 옹스트롱 단위의 평균 두께를 갖는 니켈 산화물 박막을 낮은 온도에서 비정질 실리콘 박막의 상면에 형성하여 비정질 실리콘 박막의 결정화 과정에서 비정질 실리콘 박막의 결정성을 향상시킬 수 있는 니켈 산화물 박막 형성방법과 이를 이용한 비정질 실리콘 박막의 결정화 방법에 관한 것이다. 또한, 본 발명은 니켈 산화물 박막을 이용하여 박막 트랜지스터의 비정질 실리콘 박막에 대한 결정화를 진행하며 드레인 영역과 비정질 실리콘 박막의 상면에 잔류하는 니켈 성분을 최소화하여 공정을 단축하고 박막 트랜지스터의 특성을 향상시킬 수 있는 니켈 산화물 박막을 이용한 박막 트랜지스터 제조 방법에 관한 것이다. 니켈산화물 박막, 원자층 증착법, 비정질 실리콘 결정화, 박막트랜지스터
Abstract:
본 발명은 하기 화학식 1과 화학식 2로 표시한 신규의 구리 아미노알콕사이드 화합물에 관한 것으로, 본 발명에 따른 구리 선구 물질은 상온에서 고체 또는 액체 상태로 존재하며 증기압이 매우 높아 반도체 소자의 배선용 구리 도선의 화학 증착에 유용하게 사용할 수 있다.
상기 식에서, m은 1 내지 3의 정수이고, n은 2 내지 4의 정수이며, R 및 R'은 플루오르를 포함하 거나 포함하지 않는 C 1-4 의 알킬기이다.
Abstract:
Novel iron(III) amino-alkoxide compounds and a process for preparing thereof are provided to improve thermal stability and increase solubility in organic solvent, so that high quality of iron oxide thin film and nanoparticles are formed. The iron amino-alkoxide compounds represented by the formula(1): Fe[OCR'2(CH2)mNR2]3 are provided, wherein m is 1 to 3; and R and R' are each independently C1-C5 linear or branched alkyl with or without fluorine. The iron amino-alkoxide compounds are prepared by reacting iron(III) halogen compounds represented by the formula(2): FeX3 with amino alkoxide alkali metal salt compounds represented by the formula(3): MOCR'2(CH2)mNR2, wherein M is Li, Na or K. The iron oxide thin film and nanoparticles are formed by using the iron amino-alkoxide compounds as a precursor.
Abstract:
본 발명은 구리 및 니켈 금속 나노선 또는 나노막대를 제조하는 방법에 관한 것으로, 본 발명에 따르면 자체 열분해가 가능한 아미노알콕시 금속 착화합물로부터 나노크기의 기공을 가지는 물질을 주형체로 사용하여 구리 및 니켈 금속 나노선 또는 나노막대를 제조할 수 있다.
Abstract:
Provided are a palladium aminoalkoxide compound in a solid state at room temperature and a process for preparation of palladium nano-catalyst using the same without external reduction agent to exhibit extremely high volatility and thermal stability and high catalytic activity in organic synthesis applications. The palladium(II) aminoalkoxide compound or hydrate thereof represented by following formula 1, wherein m is an integer of 1 to 3; R and R' include fluorine or not and are linear or branched alkyl groups having C1-C4. The compound is prepared reacting any one of bis(acetonitril)dihalogenated palladium(II) compound and alkali metal salt of aminoalkoxide, or halogenated palladium(II) compound and alkali metal salt of aminoalkoxide. The process for preparing palladium nano-particles comprises thermally decomposing the palladim(II) aminoalkoxide compound or hydrate thereof at 100 to 300 deg.C under an organic compound containing an electron donor element.
Abstract:
PURPOSE: A method for forming a hydroxyl monolayer on a substrate is provided to make a silicon wafer coated with only a hydroxide radical by making chlorine absorbed to the surface of the silicon wafer in a high vacuum atmosphere and by replacing the chlorine with the hydroxide radical while using water. CONSTITUTION: A halogen element of a gas state is absorbed to the surface of a substrate in a high vacuum atmosphere. Water is supplied to the surface of the substrate to which a halogen element is absorbed in a high vacuum atmosphere so that the halogen element is replaced with the hydroxide radical by reaction of water molecules and the halogen element to form a hydroxyl monolayer.
Abstract:
PURPOSE: Copper aminoalkoxide complexes, a preparation method thereof and a process for formation of the copper thin film using the same complexes are provided. The complexes have high volatility and thermal stability, and are reduced into copper without any reducing agent. Therefore, the complexes can be useful for formation of the high quality copper thin film. CONSTITUTION: A copper aminoalkoxide complex is represented by the formula(1), wherein m is an integer of 1 to 3; n is an integer of 2 to 4; and R and R' are C1-4 alkyl optionally containing fluor. A copper aminoalkoxide complex is represented by the formula(2), wherein m is an integer of 1 to 3; n is an integer of 2 to 4; and R and R' are C1-4 alkyl optionally containing fluor. The method for preparing the copper aminoalkoxide complex of the formula(1) comprises reacting copper alkoxide or copper halogenide with amino alkoxide compound of alkali metals(MOCR'2(CH2)mNR2), wherein M is Li or Na. The method for preparing the copper aminoalkoxide complex of the formula(2) comprises reacting copper alkoxide or copper halogenide with amino alkoxide compound of alkali metals(MOC(R')2(CH2)mO(CH2)nNR2), wherein M is Li or Na.
Abstract:
PURPOSE: A precursor of zirconium dioxide, a preparation method thereof and a method for forming thin film using the same are provided, which zirconium dioxide precursor has thermal stability and improved volatility, so that high quality of zirconium thin film can be formed. CONSTITUTION: The precursor of zirconium dioxide represented by formula (1) is provided, wherein R is C1-4 alkyl optionally containing fluor; and R' is C1-4 alkyl optionally containing fluor or SiR'3. The method for preparing the precursor of zirconium dioxide of formula (1) comprises reacting zirconium complex of formula (2) with alkali metal salt of alcohol of formula (3), wherein X is chlorine, bromine or iodine; and M is Li, Na or K. The method for preparing the precursor of zirconium dioxide of formula (1) comprises reacting zirconium complex of formula (2) with alcohol of formula (4) in the presence of tertiary amine. The method for forming thin film comprises carrying out MOCVD system(Metal-Organic Chemical Vapor Deposition Systems) or ALD(atomic layer deposition) using the precursor of zirconium dioxide of formula (1).