Synthesis of Nanocrystalline Ferrites Zn0.4Ni0.6Cr0.5LaxFe1.5－xO4 and Its Magnetic Properties

Acta Chimica Sinica ›› 2007, Vol. 65 ›› Issue (9): 816-820. Previous Articles Next Articles

Original Articles

Zn_0.4Ni_0.6Cr_0.5La_xFe_1.5－xO₄铁氧体纳米粉晶的制备及磁性

徐烽, 李良超*, 蒋静, 谢云龙

(浙江师范大学物理化学研究所化学系金华 321004)

投稿日期:2006-07-18 修回日期:2006-10-16 发布日期:2007-05-14
通讯作者: 李良超

Synthesis of Nanocrystalline Ferrites Zn_0.4Ni_0.6Cr_0.5La_xFe_1.5－xO₄ and Its Magnetic Properties

XU Feng; LI Liang-Chao*; JIANG Jing; XIE Yun-Long

(Institute of Physical Chemistry, Department of Chemistry, Zhejiang Normal University, Jinhua 321004)

Received:2006-07-18 Revised:2006-10-16 Published:2007-05-14
Contact: LI Liang-Chao

Abstract

The nanocrystalline ferrites Zn_0.4Ni_0.6Cr_0.5La_xFe_1.5－xO₄(x＝0～0.10) were prepared with citrate precursor by sol-gel process. The thermolysis process of translating citrate precursor into crystalline was analyzed by means of DSC-TG. The structure, morphology and magnetic properties of the obtained products were characterized by X-ray diffractometer (XRD), transmission electron microscopy (TEM) and vibrating sample magnetometer (VSM), respectively. The results show that the temperature and the content of doped La have an obvious effect on the crystallite sizes, lattice parameter and morphology of samples. The magnetic properties of the samples can be also tailored by varying the content of La.

Key words: sol-gel, nanocrystalline, Zn-Ni-Cr-ferrite, doped with La, magnetic property

Cite this article

XU Feng; LI Liang-Chao*; JIANG Jing; XIE Yun-Long. Synthesis of Nanocrystalline Ferrites Zn_0.4Ni_0.6Cr_0.5La_xFe_1.5－xO₄ and Its Magnetic Properties[J]. Acta Chimica Sinica, 2007, 65(9): 816-820.

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Zn_0.4Ni_0.6Cr_0.5La_xFe_1.5－xO₄铁氧体纳米粉晶的制备及磁性

Synthesis of Nanocrystalline Ferrites Zn_0.4Ni_0.6Cr_0.5La_xFe_1.5－xO₄ and Its Magnetic Properties

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Zn0.4Ni0.6Cr0.5LaxFe1.5－xO4铁氧体纳米粉晶的制备及磁性