Magnetic properties of Fe implanted SrTiO3 perovskite crystal

被引：14
作者：
Sale, A. G. [1 ]
Kazan, S. [1 ]
Gatiiatova, Ju. I. [2 ]
Valeev, V. F. [2 ]
Khaibullin, R. I. [2 ,3 ]
Mikailzade, F. A. [1 ,4 ]
机构：
[1] Gebze Inst Technol, Dept Phys, TR-41400 Gebze, Kocaeli, Turkey
[2] Kazan Phys Tech Inst, Kazan 420029, Russia
[3] Kazan Fed Univ, Kazan 420008, Russia
[4] Natl Acad Sci, Inst Phys, Baku, Azerbaijan
来源：
MATERIALS RESEARCH BULLETIN | 2013年 / 48卷 / 08期
关键词：
Nanostructures; Magnetic properties; Magnetic structure;
D O I：
10.1016/j.materresbull.2013.04.011
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The results of investigations of magnetic properties of SrTiO3 perovskite crystal implanted with 40 key Fe ions at the fluencies between 0.5 x 10(17) and 1.5 x 10(17) ion/cm(2) are presented. It has been revealed that high-fluency implantation with Fe ions results in the formation of a granular metal particulate composite in the irradiated near-surface layer of SrTiO3 substrate, which exhibits remarkable ferromagnetic behavior. The measurements of the temperature dependence of the magnetic moment showed that the samples exhibit blocking temperature at about 350 K, above which a superparamagnetic behavior has been observed. Ferromagnetic ordering and magnetic hysteresis loops were observed in Fe implanted SrTiO3 at the temperatures lower than 350 K. It has been shown that the magnetization of the ferromagnetic state depends on the fluency of implantation. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2861 / 2864
页数：4
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