Synthesis and Study of Reactive Mesogen in a Spin Valve Structure

IF 1.6 4区 物理与天体物理 Q3 PHYSICS, APPLIED
G. Manikandan, D. Dhanalakshmi, R. Devi, Ilari Angervo
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引用次数: 1

Abstract

The hyperfine and spin–orbit coupling interaction are weak; due to these, organic materials are proposed to be excellent spin transport layer. In organic spin valve, reactive mesogen is used as the spacers, which have more advantages such as solution processing, higher mobility, and large area fabrication. The FeCo and NiFe dissimilar top ferromagnetic (FM) electrodes are used for spin injection and detection causing magneto resistance (MR) effect. The MR ratio was 3.2% at 50?K. Depending on various temperature, the MR behaviors were observed. This is the first reported spin MR effect in organic spin valve using reactive mesogen (RM) as a spacer layer. The results indicate that the HMPC (2,6-Bis 4-hydroxy propyloxy-3-methoxy benzaldehyde cyclohexanone) (RM) can be used as spin transport materials and provide clear for future organic based spintronics studies.

Abstract Image

自旋阀结构反应介介剂的合成与研究
超精细与自旋轨道耦合作用弱;因此,有机材料被认为是优良的自旋输运层。在有机自旋阀中,反应介介剂作为隔离剂,具有溶液处理、迁移率高、加工面积大等优点。采用FeCo和NiFe两种不同的顶铁磁(FM)电极进行自旋注入和磁阻(MR)效应检测。在50 K时,MR比率为3.2%。观察了不同温度下的磁流变行为。这是首次报道的在有机自旋阀中使用反应介质(RM)作为间隔层的自旋磁流变效应。结果表明,HMPC(2,6-双4-羟基丙氧基-3-甲氧基苯甲醛环己酮)(RM)可以作为自旋输运材料,为今后有机基自旋电子学的研究提供了明确的思路。
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来源期刊
Journal of Superconductivity and Novel Magnetism
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.
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