固态铁源湿法制备四氧化三铁磁性微晶及表征

拜山·沙德克; 彭登峰; 乔植; 张吉宽; 田雪峰

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固态铁源湿法制备四氧化三铁磁性微晶及表征

更新时间：2026-01-21

- 固态铁源湿法制备四氧化三铁磁性微晶及表征
- Journal of Xinjiang University (Natural Science Edition in Chinese and English) Vol. 26, Issue 3, Pages: 253-256(2009)
- 作者机构：
  
  新疆大学物理科学与技术学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TB383.1
- Published：2009
- 稿件说明：
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[1]拜山·沙德克,彭登峰,乔植,等.固态铁源湿法制备四氧化三铁磁性微晶及表征[J].新疆大学学报(自然科学版),2009,26(03):253-256+296.

拜山·沙德克, 彭登峰, 乔植, et al. 固态铁源湿法制备四氧化三铁磁性微晶及表征[J]. Journal of Xinjiang University (Natural Science Edition in Chinese and English), 2009, 26(3): 253-256.
[1]拜山·沙德克,彭登峰,乔植,等.固态铁源湿法制备四氧化三铁磁性微晶及表征[J].新疆大学学报(自然科学版),2009,26(03):253-256+296. DOI：

拜山·沙德克, 彭登峰, 乔植, et al. 固态铁源湿法制备四氧化三铁磁性微晶及表征[J]. Journal of Xinjiang University (Natural Science Edition in Chinese and English), 2009, 26(3): 253-256. DOI：

摘要

分别采用α-Fe和α-Fe_2O3在强碱性溶液下低温合成Fe_3O4微晶粉体

所得样品的物相用X射线衍射(XRD)仪表征

形貌通过电子扫描显微镜(SEM)观测

磁性用振动样品磁强计(VSM)测试.在物相表征中都观察到:随着溶液碱性的增强

两种铁源由各自的物相向立方Fe_3O4相转变的过程.在形貌观测中发现

由两种固态铁源合成出纯相的Fe_3O4微晶粉体都呈现出良好的正八面体形状.通过磁性测试并比较发现

由Fe合成出Fe_3O4微晶粉体的饱和磁化强度Ms比由α-Fe_2O3合成的高

而矫顽力Hc低于后者.

Abstract

The magnetite(Fe_3O4) microcrystal prepared in alkaline solution from iron(α-Fe) and hematite (α-Fe_2O3) respectively at low temperature.The chemical compositions of the as-prepared samples were characterized by XRD

their morphologies were observed by SEM

while the magnetic property of the sample was studied by VSM.Structure characterization showed that the phase structure of the prepared particles respectively evolved fromα-Fe and hematite(α-Fe_2O3) to pure Fe_3O4 with increasing the concentration of alkali.Morphology characterization showed that the pure Fe_3O4

which prepared fromα-Fe and(α-Fe_2O3) respectively

shaped with good octahedrons.Through Magnetic properties comparisons

the Ms of the products prepared from Fe is higher than that of the ones fromα-Fe_2O3

while the He is lower than that of the latter.

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references

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