Controlled hydrothermal synthesis of CeO2 nanospheres and their excellent magnetic properties

被引：0
作者：
Xiaofei Niu
机构：
[1] Suzhou University,Anhui Key Laboratory of Spintronics and Nanomaterials Research
来源：
Applied Physics A | 2017年 / 123卷
关键词：
CeO2; Oxygen Vacancy; Oxygen Storage Capacity; CeO2 Sample; Cerium Chloride;
D O I：
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中图分类号：
学科分类号：
摘要：
Monodisperse spherical CeO2 nanostructures with irregular and rough surfaces have successfully been synthesized via a facile hydrothermal technology. XRD, SEM, XPS, Raman scattering, and M–H curves were employed to characterize the samples. The results showed that the spherical CeO2 nanostructures have a cubic fluorite structure and that there are Ce3+ ions and oxygen vacancies in the surface of the samples. The M–H curve of CeO2 nanospheres exhibits excellent room-temperature ferromagnetism (RT-FM), which is likely ascribed to the effects of the Ce3+ ions and oxygen vacancies.
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