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	Effects of hydroxyls on the structural and room temperature ferromagnetic properties of Co doped SnO2 nanoparticles
	Harumoto, Takashi ; Iqbal, Javed ; Liu, Xiaofang ; Shi, Ji ; Nakamura, Yoshio ; Yu, Ronghai
	2010-10-12 ; 2010-10-12 ; OCT
关键词	THIN-FILMS TIN OXIDE RAMAN POWDERS Materials Science, Multidisciplinary Physics, Applied
中文摘要	Co doped SnO2 nanoparticles have been prepared via a wet chemical method with different precipitation processes. The structure and morphology of Co doped SnO2 nanoparticles demonstrate that the nanoparticles are in a rutile single phase and uniform, respectively. X-ray photoelectron spectroscopy shows that the Co dopants are in 2+ oxidation valence state and doped similar to 2 atm% in SnO2 nanoparticles. Moreover, Raman spectroscopy further confirms that Co doped SnO2 nanoparticles have single phase crystallinity without forming any extra modes related to secondary phases. The magnetic measurements reveal that all nanoparticles exhibit room temperature ferromagnetism (RTFM) due to the presence of disorders and defects introduced by hydroxyls in the crystal structure. In addition, it has been clearly observed that the saturated magnetic moments are strongly affected by the precipitation processes which control the incorporation of hydroxyls into the lattice.
语种	英语 ; 英语
出版者	SPRINGER ; NEW YORK ; 233 SPRING ST, NEW YORK, NY 10013 USA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/78504]
专题	清华大学
推荐引用方式 GB/T 7714	Harumoto, Takashi,Iqbal, Javed,Liu, Xiaofang,et al. Effects of hydroxyls on the structural and room temperature ferromagnetic properties of Co doped SnO2 nanoparticles[J],2010, 2010, OCT.
APA	Harumoto, Takashi,Iqbal, Javed,Liu, Xiaofang,Shi, Ji,Nakamura, Yoshio,&Yu, Ronghai.(2010).Effects of hydroxyls on the structural and room temperature ferromagnetic properties of Co doped SnO2 nanoparticles..
MLA	Harumoto, Takashi,et al."Effects of hydroxyls on the structural and room temperature ferromagnetic properties of Co doped SnO2 nanoparticles".(2010).

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