Abstract The research team at the University of Maryland recently developed a composite nanoparticle of diamond material using a new technology to solve many problems in the prior art process. The technology was published in Nature Communications in June. The technology...
The research team at the University of Maryland recently developed a composite nanoparticle of diamond material using new technology to solve many problems in the prior art process. The technology was published in Nature Communications in June. The technology starts with a nanodiamond defect-nitrogen vacancy (NV) center that provides diamonds with unique optical and electromagnetic properties. By combining other materials such as metal particles and semiconductor materials called "quantum dots" with diamond, workers have developed a range of composite nanoparticles with customizable material properties, including nano-semiconductors and magnet materials.
Electron microscopic image of composite nanoparticles consisting of nano-diamonds (50 nm wide) covered with nano-silver particles
The study also found that each NV has quantum physical properties that can act as qubits at room temperature. Quantum bits are functional units that have not been explored so far in the field of quantum computing technology; in the future, this technology is expected to revolutionize the way humans store and process information. At present, all quantum bit research requires ultra-low temperature technical conditions to achieve normal operation of the device.
A qubit that works at room temperature represents a major advancement in technology that can facilitate the integration and application of quantum circuits in industrial, commercial, and consumer electronics. Min Ouyang particularly emphasized that as a quantum bit, nanocomposite particles of diamond materials play an important role in the performance of the nitrogen vacancy center.
This technology not only has good prospects in the future, but also has a great breakthrough in the preparation of composite nanoparticles. Previous studies have used less precise methods for the bonding of other particles to nanodiamonds, and diamonds and other particles are often combined one by one by manual methods. These processes are costly and time consuming, and also present a range of technical complications.
“Our core innovation is the ability to mass produce these composite nanoparticles in a stable and efficient manner,†adds Min Ouyang. This new process also enables precise control of particle properties, such as the number and composition of nanodiamonds. This new technology will be used for quantum computer quantum bit design at room temperature, biomedical imaging, high-sensitivity magnetic sensors and temperature sensors. (This article was originally translated by China Superhard Materials Network, please indicate the source.)
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