Really long-lasting! Three-dimensional distribution of holes in diamond crystals can store large amounts of data

Beijing time on November 30th news, according to foreign media reports, diamonds sparkle, but the future diamonds may develop in a more practical direction. A new study suggests that we may be able to use a three-dimensional distribution of holes in a diamond crystal to store large amounts of data. For decades, industrial diamonds, saw blades, and outer membranes of medical implants have been manufactured using synthetic diamonds that are comparable in hardness to natural diamonds. But scientists have recently discovered that artificially creating gaps in diamonds may make them useful in quantum computers. Studies have shown that quantum computers can calculate more than the sum of the atoms in the universe in one instant.
Scientists say that the seams on the diamond can be used to store information, just like the tiny "small pits" on CDs and DVDs. “We pioneered the discovery of diamonds as a platform for ultra-compact storage,” said Siddharth Dhomkar, a physicist at the City College of New York, the lead author of the study.
Some of the diamonds have some carbon atoms missing from their crystal structure, which constitutes some holes. Since some nitrogen atoms are accumulated around the holes, such defects are called nitrogen vacancy centers. The researchers conducted a series of experiments with such diamonds. Electrons are usually stored in these holes, thus giving the diamond a negative charge. However, researchers can turn it into neutral by sending a laser to the diamond. After absorbing the laser, the characteristics of the holes change: they do not flicker under the light, but they always maintain a dull color. This change is reversible and lasts for a long time, and low light exposure does not interfere with it.
The findings of this study show that diamonds can store data in the form of negative and neutral charges, which are then read, written, erased, and rewritten by the laser. Domkar pointed out that each byte of data only needs to occupy a few nanometers of space on the diamond, much smaller than any existing data storage device, thus helping us to develop ultra-compact computer storage technology. However, researchers are currently unable to read or write data from such tiny structures. But they did prove that they could decode 3D data (stacked by 2D images). "If the third dimension is introduced, the data storage capacity will be greatly improved," Domkar pointed out. Using the 3D data storage technology developed by researchers, we may be able to create a new type of data storage disc that can store up to 100 times as much as a regular DVD disc.
Next, Domkar and colleagues will continue to explore how to read and write data from the nanoscale structure of diamond crystals. He said: "The data density of chips made of diamonds will far exceed the traditional hard disk."

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