镍锰镓合金中磁性和非磁性元素替代的影响

IF 1.6 4区物理与天体物理 Q3 PHYSICS, APPLIED

Journal of Superconductivity and Novel Magnetism Pub Date : 2024-05-20 DOI:10.1007/s10948-024-06746-1

Shubham Shatrughna Dheke, Subhadeep Datta, Manoranjan Kar

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引用次数: 0

摘要

为了调整不同的转变，在富锰的镍锰镓合金中添加了钴和钒。Ni41Co9Mn30V2Ga18 样品在室温以上发生了耦合磁结构转变，热滞后和磁滞后较低，马氏体转变温度（8 K/T）对磁场的敏感性较高。在磁场变化为 3 T 时，∆SM 的最大值为 -2.33 J/kg-K，RCP 为 158 J/kg。在磁结构转变的同时出现的方镁石间转变扩大了工作温度的范围。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

The Effects of Magnetic and Non-magnetic Element Substitutions in Ni-Mn-Ga Alloy

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The Effects of Magnetic and Non-magnetic Element Substitutions in Ni-Mn-Ga Alloy

In view of tuning different transitions, Co and V are substituted in Mn-rich Ni-Mn-Ga alloy. Ni₄₁Co₉Mn₃₀V₂Ga₁₈ sample undergoes a coupled magnetostructural transition above room temperature with a low thermal and magnetic hysteresis and high sensitivity of martensite transition temperature (8 K/T) with the field. ∆S_M is found to be a maximum of −2.33 J/kg-K for 3 T field change with a large RCP of 158 J/kg. The presence of intermartensite transition along with the magnetostructural transition widens the range of working temperature.

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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.