Influence of Dysprosium Doping on Structural, Magnetic, and Optical Properties of Ni-Zn Ferrites

被引：16

作者：

Ganesh, Gadudhula ^{[1
]}

Sandeep, Andem ^{[1
]}

Chanti, Gugulothu ^{[1
]}

Bose, Rapaka S. C. ^{[2
]}

Kumar, Maringanti Sravan ^{[3
]}

Kumari, K. N. Prasanna ^{[4
]}

Shekharam, Thangalapally ^{[5
]}

Reddy, Y. Vasudeva ^{[6
]}

Satapathy, Jyotirmayee ^{[7
]}

Rajeshwari, Dharavath ^{[8
]}

Naini, Pavan Kumar ^{[5
]}

机构：

[1] SRM Inst Sci & Technol, Dept Phys & Nanotechnol, Chennai 603203, India

[2] Ctr Mat Elect Technol, Thin Film & Plasmon Grp, Trichur 68058, Kerala, India

[3] St Josephs Degree & PG Coll, Dept Phys, Hyderabad 500029, India

[4] Govt Polytech Coll Women Minor, Dept Phys, Hyderabad 500112, India

[5] Matrusri Engn Coll, Dept Sci & Humanities, Hyderabad 500059, India

[6] Govt City Coll, Dept Phys, Hyderabad 500002, Telangana, India

[7] Amrita Vishwa Vidyapeetham, Dept Phys, Amritapuri 690525, India

[8] Natl Inst Technol Warangal, Dept Phys, Hanamkonda 506004, Telangana, India

来源：

PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2023年 / 220卷 / 09期

关键词：

ferrites; soft ferrites; sol-gel method; NICKEL-ZINC FERRITE; RARE-EARTH IONS; DIELECTRIC-PROPERTIES; NANOPARTICLES; SUBSTITUTION; PARTICLE; RAMAN; GD;

D O I：

10.1002/pssa.202200864

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The spinel ferrites with the compositional formula Ni0.8Zn0.2Fe2-xDyxO4 (x = 0, 0.004, 0.008, 0.012, 0.016) have been prepared using the sol-gel method. The X-ray diffraction measurements confirm the cubic spinel structure of the sample with a space group of Fd-3m. Morphological analysis of scanning electron microscope images reveals that the particles are spherical in shape. Energy dispersive X-ray spectroscopy (EDX) confirms the elemental composition. Thermogravimetric analysis (TGA)/differential scanning calorimetry (DSC) analysis of synthesized dysprosium (Dy) doped Ni-Zn ferrites are carried out from 25 to 700 degrees C. Fourier-transform infrared (FTIR) spectroscopy studies reveal the stretching and bending vibrations of the various bonds presented in the compounds. The UV-vis absorption spectrum indicates the energy gap values which small decrease with the Dy concentration increase. Raman spectroscopy reveals the crystal distortion and phases of the samples. The room temperature magnetic measurements (M-H loops) are carried out to study the effect of Dy doping on magnetic properties.

引用

页数：10

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