Analysis of Structural, Spectral and Magnetic Properties of Pure and Pb-/Zr-Substituted Strontium Hexaferrite

被引：6
|
作者：
Jayakumar, T. [1 ]
Aarthi, R. [1 ]
Raja, C. Ramachandra [1 ]
Arumugam, S. [2 ]
机构：
[1] Bharathidasan Univ, Govt Arts Coll Autonomous, Kumbakonam 612002, India
[2] Bharathidasan Univ, Sch Phys, Ctr High Pressure Res, Trichy 620024, India
来源：
JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM | 2020年 / 33卷 / 12期
关键词：
Sol-gel technique; Structural; FTIR; Magnetic properties; HEXAGONAL FERRITES; DIELECTRIC-PROPERTIES; PARTICLES; SRFE12O19; BEHAVIOR;
D O I：
10.1007/s10948-020-05659-z
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Zr- and Pb-doped strontium hexaferrite is synthesized by sol-gel auto combustion technique. Recorded powder X-ray diffraction (PXRD) patterns reveal the single phase hexaferrite formation. The synthesized samples are transparent up to 800 nm. Infrared spectral analysis establishes the tetrahedral and octahedral site metal-oxygen vibrations. Magnetic analysis reveals reduction in saturation magnetization (M-s), remnant magnetization (M-r) and increase in coercivity (H-c) due to the increase in dopant concentration. The study reveals that as the dopant concentration increases, the samples become more and more hard magnetic.
引用
收藏
页码：3937 / 3940
页数：4
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