Double perovskite oxides Ba 2-x Ag x FeMoO 6 (x=0.0, 0.025, 0.05)

被引：3
作者：
Ghorbani, Z. [1 ]
Ehsani, M. H. [1 ]
机构：
[1] Semnan Univ, Fac Phys, POB 35195-363, Semnan, Iran
来源：
PHYSICA B-CONDENSED MATTER | 2024年 / 682卷
关键词：
Double perovskite; Single phase; Mixed valance; Magnetic susceptibility; HUME-ROTHERY RULES; MAGNETIC-PROPERTIES; MAGNETOCALORIC PROPERTIES; CURIE-TEMPERATURE; NANOPARTICLES; SR2FEMOO6; BEHAVIOR; SR;
D O I：
10.1016/j.physb.2024.415867
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Double perovskite Ba 2 FeMoO 6 (BFMO) substituted with monovalent Ag ions was synthesized using the sol-gel method, and its structure and magnetic properties were systematically studied. Rietveld refinement showed that the samples had a single phase with a cubic structure and an Fm -3m space group. With Ag substitution, the lattice parameter and unit cell of BFMO increased linearly, and the morphology of the samples was altered. X-ray photoelectron spectroscopy (XPS) examination showed mixed valence in the sample with x = 0.025 due to the Ag doping. The doped samples exhibited a decrease in magnetization, an increase in transition temperature, and anti -site (AS) defects. The AC magnetic susceptibility of the sample with x = 0.025 showed two peaks attributed to the two critical temperatures.
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页数：12
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