FECO NANOCHAIN, METHOD OF PREPARING SAME, AND ELECTROMAGNETIC WAVE-ABSORBING BODY

• Main Authors: PARK, Byeongjin, LEE, Sang Bok, JEONG, Jaewon, YANG, Sang Sun
• Format: Patent
• Language: English; French; Korean
• Published: 03.06.2021
• Subjects: ALLOYS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; CASTING; CHEMISTRY; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; FERROUS OR NON-FERROUS ALLOYS; MAKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS; METALLURGY; PERFORMING OPERATIONS; POWDER METALLURGY; PRINTED CIRCUITS; TRANSPORTING; TREATMENT OF ALLOYS OR NON-FERROUS METALS; WORKING METALLIC POWDER

The object of the present invention is to provide a FeCo nanochain in which a plurality of nanoparticles are fused to one another on the surfaces thereof to form a one-dimensional linear structure; a method of preparing same; and an electromagnetic wave-absorbing body comprising same. To this end, the present invention provides a FeCo nanochain characterized in that a plurality of nanoparticles are fused to one another on the surfaces thereof to form a one-dimensional linear structure, each nanoparticle having a diameter of 30 nm to 500 nm. In addition, the present invention provides a method of preparing the FeCo nanochain having a one-dimensional linear structure. In addition, the present invention provides an electromagnetic wave-absorbing body comprising the FeCo nanochain in which a plurality of nanoparticles are fused to one another on the surfaces thereof to form a one-dimensional linear structure, each nanoparticle having a diameter of 30 nm to 500 nm. According to the present invention, it is possible to provide a magnetic material having a high permeability in a high frequency range and prepare the magnetic material by a simple method, and when the magnetic material is applied to an electromagnetic wave-absorbing body, desirable effects may be obtained. L'objet de la présente invention est de fournir une nanochaîne de FeCo dans laquelle une pluralité de nanoparticules sont fusionnées les unes aux autres sur leurs surfaces pour former une structure linéaire unidimensionnelle; un procédé permettant de la préparer; et un corps absorbant les ondes électromagnétiques la comprenant. À cet effet, la présente invention propose une nanochaîne de FeCo caractérisée en ce qu'une pluralité de nanoparticules sont fusionnées les unes aux autres sur leurs surfaces pour former une structure linéaire unidimensionnelle, chaque nanoparticule ayant un diamètre de 30 nm à 500 nm. En outre, la présente invention concerne un procédé de préparation de la nanochaîne de FeCo ayant une structure linéaire unidimensionnelle. De plus, la présente invention concerne un corps absorbant les ondes électromagnétiques comprenant la nanochaîne de FeCo dans laquelle une pluralité de nanoparticules sont fusionnées les unes aux autres sur leurs surfaces pour former une structure linéaire unidimensionnelle, chaque nanoparticule ayant un diamètre de 30 nm à 500 nm. Selon la présente invention, il est possible de fournir un matériau magnétique ayant une perméabilité élevée dans une plage de fréquences élevée et de préparer le matériau magnétique par un procédé simple, des effets souhaitables pouvant être obtenus lorsque le matériau magnétique est appliqué à un corps absorbant les ondes électromagnétiques. 본 발명의 목적은 복수의 나노입자가 서로 입자 표면에서 융착되어 1차원 선형 구조를 형성하는 FeCo 나노 체인, 이의 제조방법 및 이를 포함하는 전자파 흡수체를 제공하는데 있다. 이를 위하여 본 발명은 복수의 나노입자가 서로 입자 표면에서 융착되어 1차원 선형 구조를 형성하고, 각각의 나노입자 직경은 30 nm 내지 500 nm인 것을 특징으로 하는 FeCo 나노 체인을 제공한다. 또한, 본 발명은 1차원 선형 구조의 FeCo 나노 체인의 제조방법을 제공한다. 나아가 본 발명은 복수의 나노입자가 서로 입자 표면에서 융착되어 1차원 선형 구조를 형성하고, 각각의 나노입자 직경은 30 nm 내지 500 nm인 FeCo 나노 체인을 포함하는 전자파 흡수체를 제공한다. 본 발명에 따르면, 고주파 대역에서 고투자율을 가지는 자성 소재를 제공할 수 있고, 또한, 이를 간단한 방법으로 제조할 수 있으며, 이를 전자파 흡수체에 적용할 경우, 우수한 효과를 얻을 수 있다.