The effect of yttrium and indium doping on the structure and electrical properties of zinc-ferrite nanoparticles

被引：5
|
作者：
Maletin, Marija [1 ]
Moshopoulou, Evagelia G. [2 ]
Jankov, Stevan [3 ]
Rakic, Srdjan [3 ]
Srdic, Vladimir V. [1 ]
机构：
[1] Univ Novi Sad, Fac Technol, Dept Mat Engn, Novi Sad, Serbia
[2] NCSR Demokritos, Inst Mat Sci, Neapoleos, Aghia Paraskevi, Greece
[3] Univ Novi Sad, Fac Nat Sci, Dept Phys, Novi Sad, Serbia
来源：
DOPED NANOPOWDERS: SYNTHESIS, CHARACTERISATION APPLICATIONS | 2007年 / 128卷
关键词：
ferrites; doping; nanoparticles; electrical properties;
D O I：
10.4028/www.scientific.net/SSP.128.101
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Yttrium- and indium-doped zinc-ferrite nanoparticles were prepared by a coprecipitation method. The influence of doping level on the structure and the conductivity of the samples obtained was investigated. It was found that Y-doped zinc-ferrite nanoparticles, with a single spinel phase and a size of a few nanometers, are formed in the whole range of yttrium concentration. However, In-doped zinc-ferrite nanoparticles were formed for all investigated indium cooncentrations, but only the samples InxZn1-xFe2O4 with x <= 0. 15 are single-phase (for x >= 0.20 a second phase - cubic ln(OH)(3), is formed). The decrease and increase of the electrical conductivity with yttrium and indium doping respectively are explained by taking into consideration the different role of these ions in the spinel structure and the electron hopping mechanism.
引用
收藏
页码：101 / +
页数：2
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