Figure - available from: Journal of Superconductivity and Novel Magnetism
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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 ferromagn...
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A class of antiferromagnets with spin-polarized electron bands, yet zero net magnetization, called altermagnets is attracting increasing attention due to their potential use in spintronics. Here, we study spin injection into an altermagnet via spin pumping from a ferromagnetic insulator. We find that the spin pumping behaves qualitatively different...
Citations
Rubrene (5,6,11,12-tetraphenyl tetracene) is a red-colored polycyclic aromatic carbon that has been used in many smart applications such as OLED, photovoltaic, etc., In our work, a Rubrene-based spin valve was fabricated using a simple spin coating method. In the organic spinvalve device, the bottom and top electrodes were used as FeCo (40 nm) and NiFe (20 nm), respectively. The electrodes were prepared using ultra-high vacuum DC magnetron sputtering, and a rubrene thin film was prepared using the spin coating method. The spin valve switching was observed at room temperature, about 2.5%. From the magnetic analysis, the electrodes have a magnetic nature, which was confirmed by the hysteresis loop. The coercive forces are 16,894.66 and 477.46 A/m for FeCo and NiFe, respectively. From the coercive force, the spin injector and spin detector were chosen as FeCo and NiFe, respectively. The diffraction pattern attributed both electrodes as polycrystalline with BCC structure and their JCPDS references as 50-0795 and 37-0474 for FeCo and NiFe, respectively.
