Researchers at NC State University Discover New Form of Silicon with Ferromagnetic Properties
A team of researchers at North Carolina State University has made a groundbreaking discovery in the field of materials science. They have identified a new form of silicon, known as Q-silicon, that exhibits ferromagnetic properties at room temperature. This finding has the potential to revolutionize quantum computing by enabling the development of spin qubit quantum computers that operate based on controlling the spin of electrons.
According to Dr. Jay Narayan, the John C. Fan Family Distinguished Chair in Materials Science at NC State and the lead author of the study, the discovery of Q-silicon opens up new possibilities for atomic-scale, spin-based devices and their integration with nanoelectronics. This development could pave the way for the creation of more efficient and powerful computing systems.
Traditionally, ferromagnetism has been observed in materials like transition metals and rare earths. However, the presence of unpaired electrons in materials like carbon and silicon, which have an even number of electrons, has been a challenge for researchers. The NC State team demonstrated that by using laser melting and quenching techniques, they could create Q-silicon with ferromagnetic properties in a fraction of a microsecond.
Aside from its ferromagnetic properties, Q-silicon also exhibits enhanced hardness and superconductivity, making it a versatile material for various applications. Dr. Narayan believes that Q-silicon has the potential to enhance modern microelectronics by enabling the integration of spintronics and spin-based quantum computing on a single chip.
The study detailing the discovery of Q-silicon has been published in Materials Research Letters. The research team, which includes Dr. Roger Narayan and graduate students Siba Sahoo and Naveen Joshi from the Department of Materials Science and Engineering at NC State, was supported by grants from the National Science Foundation. NC State has also filed for a U.S. patent on the Q-silicon discovery.
This groundbreaking research not only expands our understanding of materials science but also opens up new possibilities for the future of computing and electronics. The integration of Q-silicon into microelectronics could lead to significant advancements in speed and efficiency, ultimately transforming the way we use technology in our daily lives.
(C) NCSU
