AC susceptibility and FC-ZFC magnetic properties of SrTbxFe12-xO19 and SrTmxFe12-xO19 hexaferrites:a comparative study

• 作者: Y.Slimani M.A.Almessiere A.Demir Korkmaz A.Baykal I.Ercan
• 来源期刊: 稀土学报（英文版）
• 年，卷（期）: 2021,（8）
• 所属期刊栏目: MAGNETISM AND MAGNETIC MATERIALS
• 页码范围: 1003-1009
• 页数: 7页
• 语种: 英文

摘要

In this comparative study,Tb and Tm substituted Sr-hexaferrites (HFs) with the chemical compositions of SrTbxFe12-xO19 and SrTmxFe12-xO19 (x =0.00,0.02 and 0.04) were fabricated via citrate sol-gel approach.The AC susceptibility and FC-ZFC magnetization were investigated.The product structure and mor-phologies were also investigated via XRD,TEM and SEM along with EDX.Measurements of temperature dependence of magnetization M-T and AC magnetic susceptibility versus temperature were carried out.The various synthesized HFs displayed ferrimagnetic behavior within 10-325 K.At lower temperatures,super-spin glass-like behavior was noticed.Neel-Arrhenius and Vogel-Fulcher models were employed to explore the experimental data of AC susceptibility.