저압 초음파 분무 공정을 이용한 γ-Fe2O3 나노입자의 합성
(주)코리아스칼라
- 최초 등록일
- 2016.04.01
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- 2007.02
- 7페이지/ 어도비 PDF
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서지정보
ㆍ발행기관 : 한국분말야금학회
ㆍ수록지정보 : 한국분말야금학회지 / 14권 / 1호
ㆍ저자명 : 이창우, 김순길, 좌용호, 이재성
영어 초록
This study was focused on the optimization of low-pressure ultrasonic spraying process for synthesis of pure nanoparticles. As process variables, pressure in the reactor, precursor concentration, and reaction temperature were changed in order to control the chemical and microstructural properties of iron oxide nanoparticles including crystal phase, mean particle size and particle size distribution. X-ray diffraction (XRD) and transmission electron microscopy (TEM) studies revealed that pure nanoparticles with narrow particle size distribution of 5-15 nm were successfully synthesized from iron pentacarbonyl () in hexane under 30 mbar with precursor concentrations of 0.1M and 0.2M, at temperatures over . Also magnetic properties, coercivity () and saturation magnetization () were reported in terms of the microstructure of particles based on the results from vibration sampling magnetometer (VSM).
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