Geodesic
Structure and Magnetic Properties of Biogenic Ferrihydrite Nanoparticles Doped with Gadolinium
Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika, Tome 6 (2013) no. 3, pp. 357-364

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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.
Keywords: ferrihydrite nanoparticle, bacterial culture Klebsiela oxytoca, Mössbauer spectroscopy, gadolinium doping. 
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     author = {Sergey V. Stolyar and Oleg A. Bayukov and Valentina P. Ladygina and Lidiya A. Ishchenko and Rauf S. Iskhakov},
     title = {Structure and {Magnetic} {Properties} of {Biogenic} {Ferrihydrite} {Nanoparticles} {Doped} with {Gadolinium}},
     journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
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Sergey V. Stolyar; Oleg A. Bayukov; Valentina P. Ladygina; Lidiya A. Ishchenko; Rauf S. Iskhakov. Structure and Magnetic Properties of Biogenic Ferrihydrite Nanoparticles Doped with Gadolinium. Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika, Tome 6 (2013) no. 3, pp. 357-364. http://geodesic.mathdoc.fr/item/JSFU_2013_6_3_a9/