Nickel-Iron Spinel/Reduced Graphene Oxide Nanocomposites: Structural and Mossbauer Studies

被引：0
|
作者：
Boychuk, Volodymyra [1 ]
Kotsyubynsky, Volodymyr [1 ]
Bandura, Khrystyna [1 ]
Fedorchenko, Sofia [1 ]
机构：
[1] Vasyl Stefanyk Precarpathian Natl Univ, Ivano Frankivsk, Ukraine
来源：
PROCEEDINGS OF THE 2018 IEEE 8TH INTERNATIONAL CONFERENCE NANOMATERIALS: APPLICATION & PROPERTIES (NAP-2018) | 2018年
关键词：
nickel ferrite; reduced graphene oxide; nano-composite material; mossbauer spectroscopy; cation distribution; NIFE2O4; NANOPARTICLES; FERRITE; SPECTROSCOPY; SCATTERING;
D O I：
暂无
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Ultrafine nickel ferrite and nickel ferrite/ reduced graphene oxide (rGO) nanocomposite have been synthesized by hydrothermal method. Structural and magnetic properties of the obtained materials have been studied. XRD studies revealed that the joint hydrothermal synthesis of nickel ferrite and graphene oxide reduction leads to decreasing of ferrite particles to 8-9 nm. Normalized pair distance distribution functions and the most probable particle sizes were studied by SAXS method. The distribution of Fe3+ and Ni2+ cations between tetrahedral and octahedral sublattices was analyzed and transitions magnetic ordered state - spin glass like state - superparamagnetic state for ultrafine nickel ferrite were observed by Mossbauer spectroscopy.
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页数：6
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