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Sub 5 nm Fe3O4 nanocrystals via coprecipitation method
- Wu, Jun Hua;
- Ko, Seung Pil;
- Liu, Hong Ling;
- Jung, Myung-Hwa;
- Lee, Ju Hun;
- 외 2명
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69초록
Magnetite nanocrystals of 2-4 nm were synthesized by a chemical coprecipitation method, by which the particle size was controlled by the reaction temperature. The nanocrystals were investigated by XRD, TEM/HRTEM, VSM and SQUID. It is found that the nanocrystals reveal well-defined superparamagnetic behavior before and after annealing, while the observation of the distinct lattices manifest the high crystallinity of the ultrasmall particles. (C) 2007 Elsevier B.V. All rights reserved.
키워드
Magnetic; Magnetite; Nanocrystals; Superparamagnetic; Annealing; Coprecipitation; Crystallites; Nanocrystals; SQUIDs
- 제목
- Sub 5 nm Fe3O4 nanocrystals via coprecipitation method
- 저자
- Wu, Jun Hua; Ko, Seung Pil; Liu, Hong Ling; Jung, Myung-Hwa; Lee, Ju Hun; Ju, Jae-Seon; Kim, Young Keun
- 발행일
- 2008-02
- 권
- 313-314
- 페이지
- 268 ~ 272
- 언어
- ENG
- 분량
- 5 페이지
- ISSN
- P 0927-7757