Smart hydrothermal synthesis and excellent magnetic properties of monodisperse pumpkin-like CeO2 nanostructures

被引：0
|
作者：
Hu, Hao [1 ]
Tu, Furong [1 ]
Niu, Xiaofei [1 ]
机构：
[1] Suzhou Univ, Anhui Key Lab Spintron & Nanomat Res, Suzhou 234000, Anhui, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2016年 / 27卷 / 12期
基金：
中国国家自然科学基金;
关键词：
OPTICAL-PROPERTIES; OXYGEN VACANCY; FERROMAGNETISM; NANOPARTICLES; TEMPERATURE; NANOPOLES; NANORODS;
D O I：
10.1007/s10854-016-5441-1
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The monodisperse pumpkin-like CeO2 nanostructures with a diameter of 300-400 nm have been successfully synthesized via a smart hydrothermal technology. XRD, SEM, XPS, Raman scattering and M-H curve were employed to characterize the samples. The results showed that the pumpkin-like CeO2 owned a fluorite cubic structure and there are Ce3+ ions and oxygen vacancies in surface of samples. The M-H curve of pumpkin-like CeO2 nanostructures exhibits excellent room-temperature ferromagnetism (RTFM), which is likely attributed to the effects of the Ce3+ ions and oxygen vacancies.
引用
收藏
页码：13012 / 13015
页数：4
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