Dear Colleagues,

This Special Issue of Magnetochemistry is on the theme of “New Trends in Spintronic Materials and Devices”. Spintronics is one of the major research directions that holds potential beyond the von Neumann architecture, which makes use of the spin and magnetic moment of the electron to create high-performance materials and useful sensors and memory and logic devices with properties not possible with charge-based devices. This Special Issue covers the theoretical simulation, preparation, and physical understanding of spintronic materials; the design and physical mechanism of spintronic devices including sensors, isolators, and memory devices; as well as their applications. We hope this Special Issue will initiate and promote wider academic communication in advanced spintronic materials and devices as well as their relevant frontier research areas.

Current-Induced Spin–Orbit Torques:

Spin–orbit torque (SOT) is an emerging technology that enables the efficient manipulation of spintronic devices. SOT mediates the transfer of angular momentum from the lattice to the spin system, leading to sustained magnetic oscillations or switching of ferromagnetic as well as antiferromagnetic structures. It provides an efficient and scalable means for the electrical manipulation of magnetic order, domain walls, and skyrmions. It provides evidence of the microscopic interactions between charge and spin in a variety of materials and opens novel strategies to design spintronic devices with potentially high impact in data storage, nonvolatile logic, and magnonic applications. Over the past decade, to achieve a larger SOT efficiency, SOT in various systems has been explored, including metals, semiconductors, and topological insulator systems. Further, unusual SOT (generated by out-of-plane spin polarization) are observed in certain systems such as antiferromagnetic materials and low-dimensional materials, which add a new spin degree of freedom to the manipulation of the magnetization, especially in realizing field-free switching of perpendicular magnetization. This Special Issue reviews the current status and future perspectives of the field of spin–orbit torque.

Dr. Ru Bai
Dr. Yongming Luo
Guest Editors

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• spintronic materials
• spintronic devices
• current sensor
• intelligent system
• spin–orbit torque