INFLUENCE OF Sm-Cr DOPING ON STRUCTURAL AND MAGNETIC PROPERTIES OF M-TYPE STRONTIUM HEXAFERRITE

被引：0

作者：

Asghar, G. ^{[1
]}

Naeem, M. ^{[1
]}

Khusro, S. N. ^{[2
]}

Iftikhar, M. ^{[1
]}

Awan, M. S. ^{[3
]}

Tariq, G. H. ^{[4
]}

Shabir, F. ^{[1
]}

Rehman, M. A. Ur ^{[5
]}

机构：

[1] Univ Poonch Rawalakot AJK, Dept Phys, Rawalakot, Pakistan

[2] Univ Kotli AJK, Dept Phys, Kotli, Pakistan

[3] NCP, NS&TD, Islamabad, Pakistan

[4] Khwaja Fareed Univ Engn & Informat Technol, Dept Phys, Rahim Yar Khan, Pakistan

[5] COMSATS Inst Informat Technol, Dept Phys, Appl Thermal Phys Lab, Islamabad 44000, Pakistan

来源：

DIGEST JOURNAL OF NANOMATERIALS AND BIOSTRUCTURES | 2018年 / 13卷 / 04期

关键词：

Hexaferrites; Coercivity; Retentivity; Hystersis loops; MICROWAVE-ABSORPTION PROPERTIES; ELECTRICAL-PROPERTIES; DIELECTRIC-PROPERTIES; COMPLEX PERMITTIVITY; SR-HEXAFERRITE; FERRITE; CO; PERMEABILITY; SUBSTITUTION; PARTICLES;

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：

Strontium hexaferrite nanoparticles substituted with samarium and chromium having nominal composition SrFe(12-2x)Sm(x)CrO(x)19 (x=0.0, 0.4, 0.8) have been synthesized by WOWS (With Out Water and Surfactants) sol-gel method. X-ray diffraction (XRD) studies showed that higher doping concentration results in the formation of impurity phases. Due to higher ionic radius of doped rare earth ion, Sm, lattice parameter "c" has increased. Doping of Sm-Cr caused the increase in grain growth confirmed from scanning electron microscope (SEM) images. Coercivity almost doubles for x=0.4 and afterword decreases due to the formation of impurity phase. Similar trend is observed for saturation magnetization and retentivity.

引用

页码：915 / 920

页数：6

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