Recoilless fraction of tin-doped hematite nanoparticles obtained by hydrothermal synthesis

Tin-doped hematite nanoparticles (1− x)α-Fe 2O 3– xSnO 2 were synthesized using the hydrothermal method. The samples were characterized using Mössbauer spectroscopy as a function of the substitution level x. The recoilless fraction was determined using the dual absorber method introduced by us [M. S...

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Bibliographic Details
Published in:Materials letters 2005, Vol.59 (1), p.22-25
Main Authors: Sorescu, Monica, Diamandescu, L., Tarabasanu-Mihaila, D.
Format: Article
Language:English
Subjects:
Hydrothermal synthesis
Iron oxide
Mössbauer spectroscopy
Nanoparticles
Tin oxide
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Summary:Tin-doped hematite nanoparticles (1− x)α-Fe 2O 3– xSnO 2 were synthesized using the hydrothermal method. The samples were characterized using Mössbauer spectroscopy as a function of the substitution level x. The recoilless fraction was determined using the dual absorber method introduced by us [M. Sorescu, Mater. Lett. 54 (2002) 256]. It has been observed that the recoilless fraction of the hematite samples first decreases with increasing the amount x of tin substitution, then increases as iron enters the SnO 2 lattice and, finally, it slightly decreases again as the particle size of the nanoparticles decreases.
ISSN:0167-577X
1873-4979
DOI:10.1016/j.matlet.2004.09.009