On a plate of diamond about 55 mm in diameter, it will therefore be possible to store a huge amount of data, for our current PCs or future quantum computers. These work with qubits, atoms that are organized in various ways so that they interact with each other and are placed in quantum states that can be read by a computer.
There are several revolutionary storage methods currently under study, such as DNA for example, but also diamonds, which are very promising. But for the latter to work perfectly well, it must be as pure as possible. Another constraint, the creation of synthetic diamonds can generate large crystals which, under the effect of the constraints, can split easily. The Japanese have therefore found a solution by creating a crystal on a stepped substrate, thus limiting the possibility of having cracks.
These researchers therefore managed to create a diamond 5 cm in diameter which they nicknamed Kenzan Diamond. The latter is able to store 25 exabytes (25.1018 bytes or 25 billion gigabytes) or the world’s mobile data traffic in a day. They hope to be able to sell this technology by 2023, while proposing to double the size of the diamond for an even increased capacity.
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