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

页码：27170 / 27174

页数：5

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