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Title: Magnetic and dielectric properties of HoMnO3 nanoparticles synthesized by the polymerized complex method
Authors: Liu, X
Or, SW 
Sun, Y
Jin, C
Lv, Y
Wu, Y
Keywords: Magnetic materials Nanostructures Magnetic properties Electron microscopy (STEM, TEM and SEM)
Issue Date: 2013
Publisher: Elsevier
Source: Materials chemistry and physics, 2013, v. 140, no. 1, p. 126-129 How to cite?
Journal: Materials chemistry and physics 
Abstract: In this paper, we report on the magnetic and dielectric properties of HoMnO3 nanoparticles with different size synthesized by a polymerized complex method have been investigated. The HoMnO3 nanoparticles crystallized in hexagonal perovskite-type structure. The zero-field-cooled magnetic susceptibility curve of HoMnO3 nanoparticles with averaged size of 30 nm shows that complicated magnetic transitions occurred in a temperature range from 2 to 100 K, which was confirmed by magnetic hysteresis loops. With increasing the particle size, the antiferromagnetic (AFM) transition temperature increases from 56 to 77 K, due to the reduced surface-to-volume ratio. Moreover, with a decrease in particle size, the Mn-spin reorientation temperature (TSR) is enhanced from 44 to 48 K.
ISSN: 0254-0584
EISSN: 1879-3312
DOI: 10.1016/j.matchemphys.2013.03.010
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