Cs3+-Ni2+ substituted spinel ferrites nanoparticles: Insights into the crystal structure and magneto-optical properties

被引：2

作者：

Maikudi, Suleiman ^{[1
,2
]}

Alhadhrami, A. ^{[3
]}

Alshdoukhi, Ibtehaj F. ^{[4
]}

Ibrahim, Mohamed M. ^{[3
]}

Abouzied, Amr S. ^{[5
]}

Zaki, Zaki I. ^{[3
]}

Fallatah, Ahmed M. ^{[3
]}

Mohammed, J.

机构：

[1] Bayero Univ Kano, Dept Biol Sci, PMB 3011, Kano, Nigeria

[2] Hussaini Adamu Fed Polytech Kazaure, Coll Sci & Technol, Dept Sci Lab Technol, Kazaure, Jigawa, Nigeria

[3] Taif Univ, Coll Sci, Dept Chem, POB 11099, Taif, Saudi Arabia

[4] King Saud Bin Abdulaziz Univ Hlth Sci, King Abdullah Int Med Res Ctr, Coll Sci & Hlth Profess, Dept Basic Sci, POB 3660, Jeddah 11481, Saudi Arabia

[5] Univ Hail, Coll Pharm, Dept Pharmaceut Chem, Hail 81442, Saudi Arabia

来源：

JOURNAL OF MOLECULAR STRUCTURE | 2025年 / 1332卷

关键词：

Zinc spinel ferrite; Sol-gel method; Rietveld refinement; EDX Analysis; Band gap energy; Magnetization; NI-ZN FERRITES; MAGNETIC-PROPERTIES; CATION DISTRIBUTION; NANOCRYSTALLINE FERRITES; NANOFERRITES; ENHANCEMENT; PARAMETERS; ENERGY; STATE;

D O I：

10.1016/j.molstruc.2025.141665

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：

Sol-gel auto-combustion method was employed for the synthesis of Cs3+-Ni2+ substituted zinc spinel ferrite with chemical composition Zn1-xCsxFe2-xNixO4 (x=0.0, 0.1, 0.2) and calcinated at 700 degrees C for 5hrs. The XRD and Rietveld refinement patterns indicated that the prepared samples possess cubic crystalline phase having Fd3m as space group. The formation of ortho-ferrite phase was observed in the samples with x=0.1 and x=0.2. The FTIR spectrum revealed the absorption band of tetrahedral and octahedral sites at 533.51cm-1 and 413.84cm-1 which indicate the presence of iron oxide. Morphological study revealed the evidence of agglomeration which occurred as a result of magnetic interaction between the grains. The EDX analysis revealed the presence of various stoichiometry ratio in the prepared samples. The urbach energy tail increase with increase in Cs3+ and Ni2+ ions concentration. The band gap energy of the prepared samples was found to be in a semiconductor region. VSM analysis shows the appearance of super-exchange interaction as a result of replacement of Zn2+ by Cs3+ ions in Asite and Fe3+ by Ni2+ ions in B-site resulted in the slight decrease in the values of Ms and Hc.

引用

页数：12

共 78 条

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