Magnetic Properties of Two-Line Ferrihydrite Nanoparticles

被引：5
作者：
Rani, Chandni [1 ]
Tiwari, Surendra Deo [1 ]
机构：
[1] Thapar Inst Engn & Technol, Sch Phys & Mat Sci, Patiala 147004, Punjab, India
来源：
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 2022年 / 259卷 / 11期
关键词：
magnetization; nanoparticles; superparamagnetism; susceptibility; PARTICLE-SIZE DISTRIBUTION; SYNTHETIC FERRIHYDRITE; MOMENT; SURFACE; MODEL; ANISOTROPY; ANOMALIES; MECHANISM; ORIGIN;
D O I：
10.1002/pssb.202200251
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Two-line ferrihydrite particles are synthesized. Structural characterization of the sample is done with an X-ray diffractometer, transmission electron microscope, Fourier-transform infrared spectroscope, and thermogravimetric analyzer. Average particle size is 2 nm. Temperature variation (10-300 K) of zero-field-cooled and field-cooled susceptibility in 500 G applied magnetic field bifurcates at 50 K. The field-cooled susceptibility below this temperature is almost temperature independent. Magnetization versus applied magnetic field (0-120 kG) data at 300 K are analyzed considering particle size distribution.
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页数：5
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