Study of Ferrimagnetic Bond-diluted Ising-like Octahedral and Double Tetrahedral Chains with Multi-spin Interactions

IF 1.6 4区物理与天体物理 Q3 PHYSICS, APPLIED

Journal of Superconductivity and Novel Magnetism Pub Date : 2025-01-24 DOI:10.1007/s10948-025-06905-y

M. Mouhib, A. El Fadl, S. Bri, H. Mounir, M D. Belrhiti

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引用次数: 0

Abstract

We herein treat using the finite cluster approximation (FCA), two defective octahedral and double-tetrahedral chain-like structures with multi-spin interactions, where the nodal and the square (or triangular) cluster sites are occupied respectively by spin-3/2 and spin-1/2. The impact of the bond concentration p and the multi-spin interactions (J₄, J₃) on the phase diagrams and magnetizations has been thoroughly examined. First, by discarding multi-spin interactions, the second-order transition consistently manifests with the possibility of compensation behavior only for the double-tetrahedral chain under feeble dilution. Interestingly, the insertion of multi-spin interactions plays a relevant role in the appearance of the compensation phenomena with a multitude of T_comp profiles. In addition, a variety of interesting features such as horizontal reentrance and tricritical behavior emerge. Finally, at low temperatures according to p and J₄ (or J₃) strength, the order is even stable (T_c ≠ 0) or will be destroyed (T_c = 0) at a critical threshold p_c.

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来源期刊

Journal of Superconductivity and Novel Magnetism 物理-物理：凝聚态物理

CiteScore

3.70

自引率

11.10%

发文量

342

审稿时长

3.5 months

期刊介绍： The Journal of Superconductivity and Novel Magnetism serves as the international forum for the most current research and ideas in these fields. This highly acclaimed journal publishes peer-reviewed original papers, conference proceedings and invited review articles that examine all aspects of the science and technology of superconductivity, including new materials, new mechanisms, basic and technological properties, new phenomena, and small- and large-scale applications. Novel magnetism, which is expanding rapidly, is also featured in the journal. The journal focuses on such areas as spintronics, magnetic semiconductors, properties of magnetic multilayers, magnetoresistive materials and structures, magnetic oxides, etc. Novel superconducting and magnetic materials are complex compounds, and the journal publishes articles related to all aspects their study, such as sample preparation, spectroscopy and transport properties as well as various applications.