Analysis of electronic configuration and spin state driving to magnetic properties of La2xBa0.5-xSr0.5-xFe0.9Ni0.1O3-δ (x = 0, 0.25)

被引：0
|
作者：
Fitriana, F. [2 ]
Asih, R. [1 ]
Baqiya, M.A. [1 ]
Kamonsuangkasem, K. [3 ]
Suasmoro, S. [1 ]
机构：
[1] Dept of Physics, Institut Teknologi Sepuluh Nopember Surabaya, Surabaya,60111, Indonesia
[2] Dept of Physics, Universitas Negeri Surabaya, Surabaya,60231, Indonesia
[3] Synchrotron Light Research Institute (Public Organisation), 111 University Avenue, Muang, Nakhon Ratchasima,30000, Thailand
来源：
Journal of Alloys and Compounds | 2025年 / 1023卷
关键词：
Barium compounds - Ferromagnetism - Magnetic hysteresis - Sintering - Spin dynamics - Spin waves - Strontium compounds;
D O I：
10.1016/j.jallcom.2025.180139
中图分类号：
学科分类号：
摘要：
Materials possessing composition La2xBa0.5-xSr0.5-xFe0.9Ni0.1O3-δ (x = 0, 0.25) have been successfully synthesized through self-combustion technique followed by calcination at 850 °C for 6 h and sintering at 1100 °C for 6 h. It was characterized and analyzed that the cubic structure formed in which Fe and Ni are well suited inside octahedron, and their oxidation state verified to be Fe3+/Fe 4+ and Ni4+/Ni5+. Furthermore, the electronic shell arrangement 3d4, 3d5, and 3d6 are a high spin state configuration of both Fe and Ni in Ba0.5Sr0.5Fe0.9Ni0.1O3-δ. When La substituted Ba/Sr in La0.5Ba0.25Sr0.25Fe0.9Ni0.1O3-δ, the electronic configuration becomes a low spin state. The ferromagnetic hysteresis curves showed a soft magnetic hysteresis possessing MFMS = 0.05 emu/gr for BSFN. However, LBSFN displays a soft magnetic hysteresis suggested to present multiple magnetic phases or domain structures having MFMS = 0.02 emu/gr. © 2025 Elsevier B.V.
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