In the test, the high hardness, insulation, high transparency, acid resistance and good chemical inertness of synthetic diamond became the highlight of electron spin research. The low cost of synthetic diamonds is also conducive to expanding its market applications. At present, scientists have discovered that diamond can organize magnetic spin transmission and maintain the state of electron spin, which proves that diamond cable can save and transmit information data.
Normally, diamond does not carry electron spins because the carbon atoms of the diamond are bonded together, and each electron is tightly bound to its adjacent electrons. To implement the spin-carrying technique, scientists implanted nitrogen atoms into diamond cables to combine with unpaired electrons that can spin. In a diamond cable, every three million carbon atoms correspond to a nitrogen atom, which is sufficient for cable-carrying spins.
The experimental diamond cable is only 4 microns long and 200 nanometers wide. In order to clearly observe the internal structure and operation of the cable, the scientists placed the electromagnetic coil inside the microscope to control the opening and closing of the pulse generated by the cable, thus obtaining a 15 nm wide electronic motion map with a shooting range of about 50 atoms. .
The diamond cable currently needs to operate above absolute zero (-269 Â° C), where the electron spin speed slows down and scientists can observe the detailed process. Lead researcher Chris Hammel is looking forward to the next experiment to achieve diamond cable operation at room temperature and sprint to future high-speed computer technology.
The study was published on Nature Nanotechnology and was supported by the National Science Foundation and Johns Hopkins University. (Compiled from 'Could diamonds be a computer's best friend?')
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