Zhua, GQ and Liu, P and Hojamberdiev, M and Ge, B and Liu, Y and Miao, HY and Tan, GQ (2009) Synthesis RMn2O5 (R = Gd and Sm) nano- and microstructures by a simple hydrothermal method. MATERIALS CHEMISTRY AND PHYSICS , 118 (2-3). ISSN 0254-0584
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Abstract
Single-phase RMn2O5 (R = Gd and Sm) nano- and microstructures have been successfully synthesized via a simple hydrothermal process at 250 degrees C for 24 h using NaOH as mineralizer. X-ray diffraction (XRD), scanning electron microscopy (SEM), X-ray energy dispersive spectroscopy (EDS), transmission electron microscopy (TEM), high-resolution transmission electron microscopy (HRTEM) and selective area electron diffraction patterns (SAED) were used to characterize the as-synthesized GdMn2O5 and SmMn2O5 samples. The effect of NaOH concentration and the molar ratio of Mn2+/Mn7+ on the morphology and size of the final products was studied, and a possible formation mechanism of RMn2O5 (R = Gd and Sm) nanoplates and nanorods under hydrothermal conditions was proposed. (C) 2009 Elsevier B.V.
| Item Type: | Article |
|---|---|
| Subjects: | Material Science > Nanostructured materials |
| ID Code: | 8253 |
| Deposited By: | CSMNT |
| Deposited On: | 12 Feb 2010 14:58 |
| Last Modified: | 12 Feb 2010 14:58 |
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