Structure and Magnetic Properties of Biogenic Ferrihydrite Nanoparticles Doped with Gadolinium

被引：0
|
作者：
Stolyar, Sergey, V [1 ]
Bayukov, Oleg A. [2 ]
Ladygina, Valentina P. [3 ]
Ishchenko, Lidiya A. [1 ]
Iskhakov, Rauf S. [2 ]
机构：
[1] Siberian Fed Univ, Svobodny 79, Krasnoyarsk 660041, Russia
[2] SB RAS, Kirensky Inst Phys, Krasnoyarsk 660036, Russia
[3] SB RAS, Krasnoyarsk Sci Ctr, Int Sci Ctr Res Organism Extreme States, Krasnoyarsk 660036, Russia
来源：
JOURNAL OF SIBERIAN FEDERAL UNIVERSITY-MATHEMATICS & PHYSICS | 2013年 / 6卷 / 03期
基金：
俄罗斯基础研究基金会;
关键词：
ferrihydrite nanoparticle; bacterial culture Klebsiela oxytoca; Mossbauer spectroscopy; gadolinium doping;
D O I：
暂无
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
Bacterial culture Klebsiella oxytoca was grown in a Lovley medium at various concentrations of gadolinium salt. Biogenic magnetic nanoparticles of ferrihydrite were investigated by Mossbauer spectroscopy and magnetization curves were obtained. The results of structural studies showed that iron Fe(5) takes new position when cultivating is carried out in medium with high concentrations of gadolinium. It was found that gadolinium is fit into the crystal structure of ferrihydrite. These results are consistent with the analysis of the magnetization curves.
引用
收藏
页码：357 / 364
页数：8
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