Remarkable Enhancement of Magneto-Optical Kerr Effect of Strontium Ferrites by Doping La

Chin J Mater Res

2012, Vol. 26

Issue (1): 91-95 DOI:

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Remarkable Enhancement of Magneto-Optical Kerr Effect of Strontium Ferrites by Doping La

ZHU Deru¹, LIU Xiansong¹, HU Feng¹, Jose Luis Menendez²

1.Engineering Technology Research Center of Magnetic Materials, Anhui Province, School of Physics & Materials Science, Anhui University, Hefei 230039
2. Universidad de Oviedo, Parque Tecnol´ogico de Asturias, 33428 Llanera, Spain

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ZHU Deru LIU Xiansong HU Feng Jose Luis Menendez. Remarkable Enhancement of Magneto-Optical Kerr Effect of Strontium Ferrites by Doping La. Chin J Mater Res, 2012, 26(1): 91-95.

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Abstract La-substituted strontium ferrites, according to the formula Sr1−xLaxFe12O19 (x = 0, 0.05, 0.10, 0.15, 0.20), were prepared by the conventional ceramic technology. The influences of La3+ substitution on the structures, magnetic properties and magneto-optical Kerr effect of Sr1−xLaxFe12O19 were systematically investigated. The experimental results showed that a strong magneto-optical activity was induced in strontium ferrites by doping La. When x = 0.20, the magneto-optical activity of the sample Sr0.8La0.2Fe12O19 was 1% higher than that of SrFe12O19.

Key words: inorganic non-metallic materials strontium ferrites La substitution magnetic properties magneto-optical Kerr effect

Received: 30 March 2011

ZTFLH:

TM271

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Supported by National Natural Science Foundation of China No.51072002, Education Department of Anhui Province Key Scientific Research Projects No.KJ2010A008, Anhui University ”211 Project” Academic Innovation Team Projects No.02303402 and Anhui University Graduate Academic Innovation Research Projects No.y9h090013.

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https://www.cjmr.org/EN/ OR https://www.cjmr.org/EN/Y2012/V26/I1/91

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