کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1332208 979034 2011 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Anomalous magnetic behavior in the transition metal ions doped Cu2O flower-like nanostructures
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی معدنی
پیش نمایش صفحه اول مقاله
Anomalous magnetic behavior in the transition metal ions doped Cu2O flower-like nanostructures
چکیده انگلیسی

Cuprous oxide (Cu2O) flower-like nanostructures doped with various metal ions i.e. Fe, Co, Ni and Mn have been synthesized by an organic phase solution method. The powder X-ray diffraction study clearly reveals them as single phase simple cubic cuprite lattice. Study of their magnetic properties have shown that these doped samples are ferromagnetic in nature; however, no such property was observed for the undoped Cu2O sample. The magnitude of the ferromagnetic behavior was found to be dependent on the dopant metal ions amount, which increased consistently with its increase. As total magnetic moment contribution of the doped metal ions calculated was insignificant, it is believed to have originated from the induced magnetic moments at cation deficiency sites in the material, created possibly due to the disturbance of the crystal lattice by the dopant ions. The existence of the defects has been supported by photoluminescence spectra of the doped samples.

Room temperature ferromagnetic behavior was observed in the Cu2O nanoflowers doped with Fe, Co, Ni and Mn ions. Cation deficiencies formed due to dopant ions were possibly responsible for ferromagnetism.Figure optionsDownload as PowerPoint slide

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Solid State Chemistry - Volume 184, Issue 1, January 2011, Pages 30–35
نویسندگان
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