Effects of rare-earth Pr^(3+)-Dy^(3+)doping on structural,magnetic,optical and dielectric properties of Zn_(2)Y hexaferrite  

作　　者：Ibrahim Mohammed Mohamed E.El Sayed Ali Shawabkeh Mohammad N.Murshed Ibtehaj F.Alshdoukhi Zeinhom M.El-Bahy J.Mohammed A.K.Srivastava 

机构地区：[1]Department of Physics,Lovely Professional University,Phagwara,14411,Punjab,India [2]Department of Science Technology,Waziri Umaru Federal Polytechnic Birnin Kebbi,PM.B 1034,Birnin Kebbi,Kebbi,Nigeria [3]Physics Department,Faculty of Science and Arts,King Khalid University,Muhayl Asser,Saudi Arabia [4]College of Engineering and Technology,American University of the Middle East.Kuwait [5]Department of Basic Sciences,College of Science and Health Professions,King Saud Bin Abdulaziz University for Health Science,King Abdullah International Medical Research Center,Riyadh,SaudiArabia [6]Department of Chemistry,Faculty of Science,Al-Azhar University,Nasr City,11884,Cairo,Egypt [7]Department of Physics,Faculty of Science,Federal University Dutse,P.M.B.7156,Dutse,Jigawa,Nigeria

出　　处：《Journal of Rare Earths》2025年第2期329-336,I0004,共9页稀土学报(英文版)

基　　金：the Deanship of Scientific Research at King Khalid University for funding this work through large group Research Project under grant number RGP2/226/44。

摘　　要：This study was conducted to investigate the properties of Pr^(3+)-Dy^(3+)doped Zn_(2)Y-type hexaferrite for potential technological applications.X-ray diffraction(XRD),Fourier transform infrared spectroscopy(FTIR)and field-emission scanning electron microscopy(FESEM)were used to analyze structural properties.The crystallite size in the synthesized samples varies between 57.54 and 68.57 nm.The vibrational bands at 400 and 600 cm^(-1),common to all hexaferrites,were confirmed through FTIR.The FESEM analysis reveals an agglomeration of magnetic grains and a decrease in the average grain size from 1.24 to1.06μm.The M-H loops show that,with x values of 0.0,0.1,and 0.2,the saturation magnetization is determined to be 34.76,34.23,and 32.52 emu/g,respectively.The corresponding coercivity values are21.24,30.39,and 33.99 Oe.UV-visible spectroscopy using Tauc theory reveals an increase in the optical band gap from 2.32 to 2.50 eV,indicating a tunable energy band structure by incorporating Pr^(3+)-Dy^(3+)ions.The dielectric constant increases,whereas AC conductivity decreases with increased Pr^(3+)-Dy^(3+)concentration.The obtained results suggest the potential suitability of these materials for various technological applications.

关 键 词：Zn_(2)Y-type hexaferrite Pr^(3+)-Dy^(3+) Magnetic hysteresis Optical band gap Dielectric constant Rare earths 

分 类 号：TB34[一般工业技术—材料科学与工程]