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In their experiments, scientists highlighted the unique characteristics of synthetic diamonds, including their high hardness, excellent insulation, transparency, acid resistance, and chemical inertness—making them ideal for advanced electron spin research. Moreover, the relatively low cost of synthetic diamonds opens up exciting possibilities for broader market adoption. Current findings suggest that diamond can efficiently organize and maintain magnetic spin states, enabling it to store and transmit information data effectively.
Normally, diamonds do not carry electron spins because their carbon atoms are tightly bonded, with each electron paired with its neighbor. To overcome this, researchers introduced nitrogen atoms into the diamond structure, which create unpaired electrons capable of spinning. In the experimental diamond cable, one nitrogen atom is present for every three million carbon atoms, which is sufficient to support spin transport along the cable.
The current prototype of the diamond cable measures just 4 microns in length and 200 nanometers in width. To study its internal structure and function, scientists used an electromagnetic coil inside a microscope to control the pulse generation from the cable. This allowed them to capture a detailed map of electron movement, covering approximately 50 atoms with a resolution of 15 nanometers.
However, the diamond cable currently needs to operate at temperatures above absolute zero (-269°C), where electron spin behavior becomes slower and more observable. Lead researcher Chris Hammel is optimistic about future advancements, aiming to develop diamond cables that can function at room temperature, potentially paving the way for next-generation high-speed computing technologies.
This study was published in *Nature Nanotechnology* and received support from the National Science Foundation and Johns Hopkins University. (Based on the article "Could Diamonds Be a Computer’s Best Friend?")
Diamond wire - a tool for transforming the future of computers
Abstract Researchers at The Ohio State University have made a groundbreaking development by creating a diamond-based cable for electrical conductors, introducing a new material to the long-standing family of metal cables. This innovation could revolutionize the future of computing by leveraging synthetic diamonds’ exceptional properties in transmitting electron spin magnetic effects. Unlike traditional cables, diamond cables have the potential to significantly enhance processing speeds and eliminate common issues such as system crashes, slow responses, and data loss.