Soft-Chemical Synthetic Nonstoichiometric Bi2O2.33 Nanoflower: A New Room-Temperature Ferromagnetic Semiconductor

被引：48
|
作者：
Guan, Hangmin [1 ,2 ]
Zhang, Xiaodong [1 ]
Xie, Yi [1 ]
机构：
[1] Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China
[2] Hefei Univ, Dept Chem & Mat Engn, Hefei 230062, Anhui, Peoples R China
来源：
JOURNAL OF PHYSICAL CHEMISTRY C | 2014年 / 118卷 / 46期
基金：
中国国家自然科学基金;
关键词：
MAGNETIC SEMICONDUCTORS; HALF-METALLICITY; 1ST PRINCIPLES; OXIDES; BI2O3; FE; CO;
D O I：
10.1021/jp509045d
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Bi2O2.33 nanoflowers with pure phase were directly prepared via a solvothermal route. The magnetism behavior of the product was investigated, and the data clearly revealed the room-temperature ferromagnetism of the synthetic sample. This nonstoichiometric bismuth oxide should be the diluted magnetic semiconductors (DMSs). XPS measurements showed that the room-temperature ferromagnetism might be derived from the presence of Bi2+ in the structure. The achievement of the nonstoichiometric Bi2O2.33 DMSs might pave the way for a new understanding of the underlying ferromagnetic mechanism in DMSs materials.
引用
收藏
页码：27170 / 27174
页数：5
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