The field of electrical control of magnetism has seen significant advancements in recent years, with researchers working towards developing new technologies that can revolutionize various applications. In a recent review article published in Reviews of Modern Physics, Fèlix Casanova from the Nanodevices group at CIC nanoGUNE, along with Nobel Laureate Albert Fert and his colleagues, provide insights into the current state of this field and the future prospects.
Albert Fert, a renowned French physicist and the recipient of the Nobel Prize in Physics in 2007, is well-known for his contributions to the discovery of giant magnetoresistance. This groundbreaking finding played a crucial role in enhancing hard disk technology, leading to a significant increase in storage capacity. Fert’s research has not only impacted the field of hard disk drives but has also paved the way for the development of energy-efficient microprocessors, addressing a key challenge faced by modern electronics.
To further advance the field of electrical control of magnetism, Albert Fert has been collaborating with the nanodevices group at CIC nanoGUNE and Intel on various projects. These collaborations aim to explore new device technologies that can harness the electrical manipulation of magnetic properties for a wide range of applications. By combining expertise from different research groups, Fert and his colleagues are pushing the boundaries of what is possible in the realm of quantum matter.
The review article discusses the recent developments in electrical control of magnetism, focusing on the use of electric fields and current-induced torques to manipulate magnetic properties. It delves into fundamental concepts in these areas, explores their integration, and examines various device families that leverage these technologies for diverse applications. The article concludes by presenting future perspectives in terms of emerging concepts in fundamental physics and new directions in materials science.
The narrative of electrical switching of magnetization, as outlined in the review, highlights the intricate relationship between fundamental research and technological innovations. Key advancements, such as the conceptualization of pure spin currents, the observation of magnetic skyrmions, and the discovery of spin-charge interconversion effects, have significantly shaped the landscape of spintronics, condensed matter physics, and materials science. These breakthroughs have paved the way for the development of novel devices, including MRAMs, MESO transistors, and components for neuromorphics, marking a new era in the field of magnetism control.
The review article provides a comprehensive overview of the current state of electrical control of magnetism and offers valuable insights into the future implications of this rapidly evolving field. With continued research and collaboration, researchers like Albert Fert are driving advancements that could revolutionize various technologies and applications in the years to come.
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