12/9/2023 0 Comments Cpu transistor under microscope![]() ![]() "In this work, we designed and fabricated carbon nanotube intramolecular transistors by altering the local chirality of a metallic nanotube segment by heating and mechanical strain." ![]() "However, it remains a great challenge to control the chirality of individual carbon nanotubes, which uniquely determines the atomic geometry and electronic structure. "Semiconducting carbon nanotubes are promising for fabricating energy-efficient nanotransistors to build beyond-silicon microprocessors," Dr. Tang began working on the project five years ago when Professor Golberg headed up the research group at this center. Dai-Ming Tang, from the International Center for Materials Nanoarchitectonics in Japan, said the research had demonstrated the ability to manipulate the molecular properties of the nanotube to fabricated nanoscale electrical device.ĭr. Professor Golberg's team members from the National University of Science and Technology in Moscow created a theory explaining the changes in the atomic structure and properties observed in the transistor. The result of the new structure connecting the carbon atoms was that the nanotube was transformed into a transistor. The heat and strain then changed the "chilarity" of the nanotube, meaning the pattern in which the carbon atoms joined together to form the single-atomic layer of the nanotube wall was rearranged. The researchers created the tiny transistor by simultaneously applying a force and low voltage which heated a carbon nanotube made up of few layers until outer tube shells separate, leaving just a single-layer nanotube. "In this work, we have shown it is possible to control the electronic properties of an individual carbon nanotube," Professor Golberg said. QUT Center for Materials Science co-director Professor Dmitri Golberg, who led the research project, said the result was a "very interesting fundamental discovery" which could lead a way for the future development of tiny transistors for future generations of advanced computing devices. The research, published in the journal Science, involves researchers from Japan, China, Russia and Australia who have worked on the project that began five years ago. ![]()
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