Role of Surfactant on the Ferromagnetic Properties of (Li, Mn) Doped ZnO Nanoparticles: An EPR Study

被引：2
|
作者：
Jayakumar, O. D. [1 ]
Kadam, R. M. [2 ]
Tyagi, A. K. [1 ]
机构：
[1] Bhabha Atom Res Ctr, Div Chem, Bombay 400085, Maharashtra, India
[2] Bhabha Atom Res Ctr, Div Radiochem, Bombay 400085, Maharashtra, India
来源：
NANOSCIENCE AND NANOTECHNOLOGY LETTERS | 2011年 / 3卷 / 04期
关键词：
ZnO; Nanoparticles; Ferromagnetism; ESR; TEM; Spintronics; THIN-FILMS; ROOM-TEMPERATURE; MAGNETIC SEMICONDUCTOR; SINGLE-CRYSTALS; QUANTUM DOTS; NANOCRYSTALS; OXIDES;
D O I：
10.1166/nnl.2011.1218
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Nanoparticles of Zn(0.96)Mn(0.03)Li(0.01)O were synthesized by a low-temperature solid-state pyrolitic reaction, followed by a surfactant (AOT)-assisted calcination at 675 K. Transmission electron microscopy images and Rietveld refinement of X-ray diffraction data revealed that these samples are monophasic with wurtzite structure. DC magnetization measurements of surfactant treated Zn(0.96)Mn(0.03)Li(0.01)O nanoparticles showed enhanced ferromagnetism compared to that of the untreated Zn(0.96)Mn(0.03)Li(0.01)O nanoparticles. A distinct ferromagnetic resonance (FMR) signal observed in the EPR spectra of AOT treated Zn(0.96)Mn(0.03)Li(0.01)O nanoparticles further confirmed its ferromagnetic nature.
引用
收藏
页码：579 / 583
页数：5
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