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题名: Quasi-hexagonal ordered arrays of FePt nanoparticles prepared by a micellar method
作者: Sheng, Q;  Xing-Wang, Z;  Zhi-Gang, Y;  Jing-Bi, Y;  Nuo-Fu, C
发表日期: 2007
摘要: Hexagonally ordered arrays of magnetic FePt nanoparticles on Si substrates are prepared by a self assembly of diblock copolymer PS-b-P2VP in toluene, a dip coating process and finally plasma treatment. The as-treated FePt nanoparticles are covered by an oxide layer that can be removed by a 40 s Ar+ sputtering. The effects of the sequence of adding salts on the composition distribution are revealed by x-ray photoelectron spectroscopy measurements. No particle agglomeration is observed after 600 degrees C annealing for the present ordered array of FePt nanoparticles, which exhibits advantages in patterning FePt nanoparticles by a micellar method. Moreover, magnetic properties of the annealed FePt nanoparticles at room temperature are investigated by a vibrating sample magnetometer.
KOS主题词: induced anisotropy (magnetic);  Photography--Films;  Finite volume method
刊名: CHINESE PHYSICS LETTERS
专题: 中国科学院半导体研究所(2009年前)_期刊论文

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推荐引用方式:
Sheng, Q ; Xing-Wang, Z ; Zhi-Gang, Y ; Jing-Bi, Y ; Nuo-Fu, C .Quasi-hexagonal ordered arrays of FePt nanoparticles prepared by a micellar method ,CHINESE PHYSICS LETTERS,2007 ,24(12): 3520-3523
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