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	Structural and ferroic properties of Zr-doped BiFeO/sub 3/ thin films
	Yao Wang ; Ce-Wen Nan
	2010-05-10 ; 2010-05-10
关键词	Experimental/ bismuth compounds crystal microstructure current density ferromagnetism leakage currents platinum scanning electron microscopy silicon silicon compounds sol-gel processing spin coating thin films titanium X-ray diffraction zirconium/ structural properties ferroic properties polycrystalline thin films sol-gel spin-coating technique X-ray diffraction microstructure characterization surface morphology cross-section morphology scanning electron microscopy leakage current density conduction mechanism ferromagnetism room temperature temperature 293 K to 298 K BiFeO/sub 3/:Zr Si Pt-Ti-SiO/sub 2/-Si/ A6855 Thin film growth, structure, and epitaxy A8115L Deposition from liquid phases (melts and solutions) A6480G Microstructure A6820 Solid surface structure/ temperature 2.93E+02 to 2.98E+02 K/ BiFeO3:Zr/ss BiFeO3/ss FeO3/ss O3/ss Bi/ss Fe/ss Zr/ss O/ss Zr/el Zr/dop Si/sur Si/el Pt-Ti-SiO2-Si/int SiO2/int O2/int Pt/int Si/int Ti/int O/int SiO2/bin O2/bin Si/bin O/bin Pt/el Si/el Ti/el
中文摘要	Polycrystalline Zr-doped BiFeO/sub 3/ thin films were prepared by a sol-gel spin-coating technique on (111) Pt/Ti/SiO/sub 2//Si substrates. The films are of single phase as evidenced by X-ray diffraction, and microstructure characterization on the surface and cross-section morphology of the films was carried out by scanning electron microscope. By introducing a small amount of Zr ions into the sol-gel solution-processed BiFeO/sub 3/ films, the leakage current density is reduced by three orders of magnitude compared with the undoped BiFeO/sub 3/ films, and the conduction mechanism in the BiFeO/sub 3/-based films was studied. Both the films exhibit weak ferromagnetism of 25 emu/cm/sup 3/ at room temperature.
语种	英语 ; 英语
出版者	Gordon and Breach Science Publishers SA ; Switzerland
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/21820]
专题	清华大学
推荐引用方式 GB/T 7714	Yao Wang,Ce-Wen Nan. Structural and ferroic properties of Zr-doped BiFeO/sub 3/ thin films[J],2010, 2010.
APA	Yao Wang,&Ce-Wen Nan.(2010).Structural and ferroic properties of Zr-doped BiFeO/sub 3/ thin films..
MLA	Yao Wang,et al."Structural and ferroic properties of Zr-doped BiFeO/sub 3/ thin films".(2010).

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