无机材料学报

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纳米晶铁酸锌和铁酸镧的合成与表征

熊纲; 杨绪杰; 陆路德; 汪信   

  1. 南京理工大学材料化学教研室; 南京 210094
  • 收稿日期:1997-07-14 修回日期:1997-09-12 出版日期:1998-08-10 网络出版日期:1998-08-10

Preparation and Characterization of Nanocrystals ZnFe2O4 and LaFeO3

XIONG Gang; YANG Xu-Jie; LU Lu-De; WANG Xin   

  1. Material Chemistry Labomtory of Nabing Universitg of Science and TechnologyNabing 210094 China
  • Received:1997-07-14 Revised:1997-09-12 Published:1998-08-10 Online:1998-08-10

摘要: 用硬脂酸凝胶法制备了尖晶石型ZnFe2O4和钙钛矿型LaFeO3纳米晶,通过热重差热(TG-DTA)、X射线粉末衍射(XRD)、透射电镜(TEM)和BET比表面吸附,对纳米粒子的组成、结构、形貌、粒径进行了分析和表征.

关键词: 纳米晶体, 铁酸锌, 铁酸镧, 硬脂酸凝胶法

Abstract: The nanocrystals of spinel ZnFe2O4 and perovsldte-type LaFeO3 were prepared by the stearicacid gel method. The monitoring of synthesis process and the characterization Of the structure andmorphology of the ultrafine particles were performed by the thermal gravimetric and differentialthemal analyzer(TG-DTA), X-ray powder diffraction (Xan), transmission electron microscope(TEM) and BET specific surfaCe area absorption metor.

Key words: nanocrystal, ZnFe2O4, LaFeO3, the stearic acid gel method

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