Researchers at the Institute of Nanoscience and Materials of Aragon (INMA), in collaboration with other centers, have made a significant advance in quantum computing by controlling the quantum behavior of graphene nanoribbons. This discovery, published on July 1, 2025, in Nature Communications, could revolutionize the creation of organic qubits, essential for future quantum computers.
Discovery and Methodology
The research team has developed a technique to synthesize and manipulate graphene nanoribbons that are only 1 nm wide and between 4 and 13 nm long. Using scanning tunneling microscopy, these nanoribbons were transferred to a magnesium oxide insulating surface, allowing for precise control over their quantum properties.
The scientists demonstrated the ability to control spin and quantum charge in these carbon structures, achieving activation or deactivation of the spin through electric fields. This control is fundamental for the development of magnetic qubits based solely on carbon, a first in the field of quantum computing.
Impact and Future Applications
This advance not only highlights the potential of graphene nanoribbons in quantum computing but also opens the door to the creation of quantum materials specifically designed to improve efficiency and reduce errors in future quantum computers.
The success of this project positions INMA and its collaborators at the forefront of research on materials for quantum computing, marking an important milestone toward the use of organic materials in advanced technologies.
