EPR study of ZnO:Co thin films grown by the PLD method

被引：0
|
作者：
Cieniek, Bogumil [1 ]
Stefaniuk, Ireneusz [1 ]
Virt, Ihor [1 ]
机构：
[1] Univ Rzeszow, Inst Phys, PL-35310 Rzeszow, Poland
来源：
NUKLEONIKA | 2013年 / 58卷 / 03期
关键词：
electron paramagnetic resonance (EPR); diluted magnetic semiconductor (DMS); ZnO:Co; Curie temperature; CO-DOPED ZNO; MAGNETIC SEMICONDUCTORS; FERROMAGNETIC PROPERTIES; NANOCRYSTALS; DEPOSITION; RESONANCE; BULK;
D O I：
暂无
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
We have studied magnetic properties of zinc-oxide composite doped with a relatively high concentration (4%) of Co ions. Samples were obtained by the pulsed laser deposition (PLD) method with different parameters of the laser ablation. For various samples, the power of laser was changed as well as the temperature of sample heating. Electron paramagnetic resonance (EPR) measurements were carried out and temperature dependence of the EPR spectra was obtained. Analysis of the temperature dependences of the integral intensity of EPR spectra was carried out using the Curie-Weiss law. Fitting yields the following values theta(CW) = 150 K and C = 1.67(10), where C is the Curie constant, and theta(CW) is the paramagnetic Curie temperature.
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页码：359 / 363
页数：5
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