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Diamond wire - a tool for transforming the future of computers
Abstract Researchers at The Ohio State University have introduced a groundbreaking innovation in the field of electrical conductors: a diamond cable. This new development expands the traditional family of metal cables, offering a unique alternative with exceptional properties. The study reveals that synthetic diamond-based cables excel in transmitting electron spin magnetic effects, making them a promising candidate for next-generation computing technologies.
The introduction of diamond cables could revolutionize the future of computing. With their ability to enhance processing speed, issues like slow performance, system crashes, and unresponsive interfaces may soon become a thing of the past. Unlike conventional copper or aluminum wires, these thin diamond cables offer a more efficient and durable solution for data transmission.
During testing, scientists highlighted the remarkable characteristics of synthetic diamonds, including high hardness, excellent insulation, transparency, resistance to acids, and chemical inertness. These properties make them ideal for advanced electron spin research. Additionally, the relatively low cost of synthetic diamonds opens up new possibilities for commercial applications.
One of the key findings is that diamond can organize and maintain magnetic spin states, allowing it to store and transmit information effectively. This discovery suggests that diamond cables could play a vital role in future data storage and communication systems.
However, naturally, diamond does not carry electron spins because its carbon atoms are tightly bonded, leaving no free electrons to move. To overcome this, researchers implanted nitrogen atoms into the diamond structure. These nitrogen atoms create unpaired electrons that can spin, enabling the cable to carry and transmit spin information. In each diamond cable, approximately three million carbon atoms correspond to one nitrogen atom—enough to support effective spin transport.
The experimental diamond cable measures just 4 microns in length and 200 nanometers in width. To study its internal workings, scientists used an electromagnetic coil inside a microscope to control the pulse generation. This allowed them to capture a detailed map of electron movement, covering about 50 atoms with a resolution of 15 nanometers.
Currently, the diamond cable must operate at temperatures above absolute zero (-269°C), where electron spin dynamics slow down, making them easier to observe. However, lead researcher Chris Hammel is optimistic about future experiments that could enable the cable to function at room temperature, paving the way for faster and more powerful computing systems.
This breakthrough was published in *Nature Nanotechnology* and supported by the National Science Foundation and Johns Hopkins University. (Based on the article "Could diamonds be a computer's best friend?")