Title

Microstructure and magnetic properties in Sn1-xFexO2 (x=0.01, 0.05, 0.10) nanoparticles synthesized by hydrothermal method

RIS ID

30877

Publication Details

Fang, L, Zu, X, Liu, C, Li, Z, Peleckis, G, Zhu, S, Liu, HK & Wang, L (2010), Microstructure and magnetic properties in Sn1-xFexO2 (x=0.01, 0.05, 0.10) nanoparticles synthesized by hydrothermal method, Journal of Alloys and Compounds, 491(1-2), pp. 679-683.

Abstract

Sn1-xFexO2 (x = 0.00, 0.01, 0.05, 0.10) nanoparticles were synthesized by a simple hydrothermal method. X-ray diffraction (XRD) reveals that all samples are pure rutile-type tetragonal phase and the grain size decreases with the increase of Fe content. High-resolution transmission electron microscopy (HRTEM) images show that the samples are spherical in shape and most grains are uniform in size with diameters of 5-6 mm. Magnetic measurements by using magnetic property measurement system (MPMS) show that the Fe-doped SnO2nanoparticles exhibit paramagnetic behavior and the calculated values of the effective Bohr magnetron number are 4.94 µB(LT) and 3.92 µB(HT) for x = 0.01, 5.04 µB for x = 0.05, and 4.81 µB for x = 0.1, respectively. The decrease of magnetic moment per iron atom with the increase of iron concentration could be attributed to the antiferromagnetically coupled spins.

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Link to publisher version (DOI)

http://dx.doi.org/10.1016/j.jallcom.2009.11.044