China launches mass production of ultra-pure silicon-28: a breakthrough for quantum computing
China National Nuclear Corporation (CNNC) has announced the start of mass production of silicon-28 with a record isotopic purity exceeding 99.99%. This is the first time in the country's history that this material has been independently produced on a large scale, marking a strategic step in the race for leadership in quantum technologies.
Silicon-28 is a key element for creating silicon-based quantum computers. Its unique property is the minimal number of nuclear spins, which create magnetic interference. The use of this isotope allows for a significant increase in the stability of qubits — the fundamental units of quantum information. Standard natural silicon contains about 4.7% of the isotope silicon-29, which acts as a source of noise and reduces the coherence time of quantum states.
Achieving a purity of 99.99% opens the path to creating more reliable and scalable quantum processors. This is particularly important amid global competition, where China seeks to solidify its position not only in traditional semiconductors but also in the quantum domain.
Analytical Commentary
From a market perspective, this move signals a serious shift in focus: Beijing is not just catching up with the West in the chip sector but is purposefully investing in infrastructure for quantum computing. Mass production of ultra-pure silicon-28 could become the very "bottleneck" that has hindered the commercialization of quantum computers for decades. Now that China is taking control of this critical resource, we may see an acceleration in the adoption of quantum solutions in cryptography and high-performance computing, which will directly impact the blockchain and mining industries.