Strain and Exchange-Spring Mechanism of (1-x) Ni0.5Cu0.25Zn0.25Fe2O4 + (x) SrFe11Y1O19 Magnetically Soft-Hard Ferrite Composed Nanoparticles

被引：3
|
作者：
Phase, Vidyasagar P. [1 ,2 ]
Kammar, Sharanabasappa S. [3 ]
Munnolli, Chandrashekhar S. [2 ]
Madansure, Yashwant S. [1 ]
Ibrahim, Ahmed A. [4 ]
Batoo, Khalid M. [4 ]
Kadam, Ram H. [1 ]
Shirsath, Sagar E. [5 ,6 ]
Shitre, Anil R. [2 ]
机构：
[1] Shrikrishna Mahavidyalaya, Mat Sci Res Lab, Osmanabad 413613, MS, India
[2] Y C Coll, Dept Phys, Osmanabad 413602, MS, India
[3] HKEs A V Patil Degree Coll, Dept Phys, Kalburgi 585302, Karnataka, India
[4] King Saud Univ, Coll Sci, POB 2455, Riyadh 11451, Saudi Arabia
[5] Vivekanand Coll, Dept Phys, Chatrapati Sambhajinagar 431001, MS, India
[6] Univ New South Wales, Sch Mat Sci & Engn, Sydney, NSW 2052, Australia
来源：
PARTICLE & PARTICLE SYSTEMS CHARACTERIZATION | 2024年 / 41卷 / 07期
关键词：
coercivity; grain size; Rietveld refinement; saturation magnetization; soft-hard ferrite composites; DIELECTRIC-PROPERTIES; COUPLING INTERACTION; HEXAGONAL FERRITES; NANO; COMPOSITES; PARTICLES; SRFE12O19; MOSSBAUER; BEHAVIOR; FACILE;
D O I：
10.1002/ppsc.202300225
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A mixture of soft-hard (S-H) ferrites with the general chemical formula (1-x) Ni0.5Cu0.25Zn0.25Fe2O4 (NCZFO) + (x) SrFe11Y1O19 (SFYO) is developed via sol-gel auto-combustion and their physical mixing. X-ray diffraction (XRD), Fourier transform infrared spectroscopy, field emission scanning electron microscopy (SEM) coupled with energy dispersive X-ray spectroscopy, high-resolution transmission electron microscopy (HRTEM), vibrating sample magnetometry (VSM) and two-probe technique are used to examine the resultant materials. Rietveld refinement of XRD data confirms the co-existence of both soft and hard phases in the composites. The HRTEM and FESEM results confirm the nanocrystalline nature of the synthesized particles. Williamson-Hall method is employed to reveal the strain nature in soft and hard phases. VSM analysis shows considerable changes in the magnetic characteristics for the different composition of NCZFO and SFYO. The exchange-spring mechanism is discussed in the manuscript.
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页数：10
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