A simple method for quantification of nonstoichiometric magnetite nanoparticles using conventional X-ray diffraction technique

被引：8

作者：

Bondarenko, Lyubov S. ^{[1
]}

Pankratov, Denis A. ^{[2
]}

Dzeranov, Artur A. ^{[1
]}

Dzhardimalieva, Gulzhian I. ^{[1
,3
]}

Streltsova, Alla N. ^{[1
]}

Zarrelli, Mauro ^{[4
]}

Kydralieva, Kamila A. ^{[1
]}

机构：

[1] Natl Res Univ, Inst Gen Engn Training, Moscow Aviat Inst, Moscow 125993, Russia

[2] M V Lomonosov Moscow State Univ, Dept Chem, Moscow 119991, Russia

[3] Russian Acad Sci, Inst Problems Chem Phys, Chernogolovka 142432, Moscow, Russia

[4] Composites & Biomat IPCB CNR, Inst Polymers, I-80055 Portici, Naples, Italy

来源：

MENDELEEV COMMUNICATIONS | 2022年 / 32卷 / 05期

关键词：

  iron oxide; nonstoichiometric magnetite; X-ray diffraction; humic acids; silane; oxidation; SURFACE;

D O I：

10.1016/j.mencom.2022.09.025

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A simple method was proposed for calculating the composition of nonstoichiometric or partially oxidized magnetite, based on a linear relationship between the position of the (440) peak in the X-ray diffraction pattern and the completeness of material oxidation. The results obtained were verified by the Rietveld refinement method and showed the possibility of a principal assessment of the magnetite/maghemite ratio.

引用

页码：642 / 644

页数：3

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