Authors: Liang, C.Y.; Che, R.C.; Yang, H.X.; Li, J.Q.

Source: Journal of Nanoscience and Nanotechnology, Volume 8, Number 7, July 2008 , pp. 3577-3581(5)

Publisher: American Scientific Publishers

Abstract:

Multi-crystalline La_0.5Ba_0.5MnO₃ Nanowires have been synthesized with cationic surfactant at 220 °C. The structure, composition and physical property of the as-prepared nanowires have been characterized by a series of techniques including XRD, SEM, HRTEM, electron energy-loss spectroscopy (EELS) and magnetic measurements. It is found that the La_0.5Ba_0.5MnO₃ nanowire has the typical cubic perovskite structure, each nanowire is composed of many small crystalline grains with different orientations. Valance state of manganese ion in La_0.5Ba_0.5MnO₃ nanowires is determined by EELS technique. A "multi-nuclei" growth mode is proposed based on the microstructure analysis. The temperature dependence of magnetization has been briefly discussed.

Keywords: LA0.5BA0.5MNO3 NANOWIRES; SYNTHESIS; CHARACTERIZATION

Document Type: Research article

DOI: http://dx.doi.org/10.1166/jnn.2008.160

Publication date: 2008-07-01

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