China News Service, April 25. According to Hong Kong's Ta Kung Pao, a research team led by Dr. Ji Tae Kim from the Department of Mechanical Engineering of the Faculty of Engineering of the University of Hong Kong and Dr. Chu Zhiqin from the Department of Electrical and Electronic Engineering successfully developed a printing method with nanometer precision. , prints the NV color centers in diamond nanoparticles at the quantum level.
Dr. Zhiqin Chu said that the technology will open up a practical and cost-effective way to manufacture quantum devices such as quantum information processors and biosensors.
It is understood that the processing of quantum materials is difficult. At present, many quantum materials can only be operated in extremely low temperature environments (-150°C/-238°F to absolute zero -273°C/-460°F). "NV color centers" can operate at room temperature and are important quantum materials.
Handling nanodiamond particles with "NV color centers", including complex "pick and place" nanomanipulation methods, has previously been unsuccessful in several solutions in the scientific community.
A research team led by Dr. Ji Tae Kim from the Department of Mechanical Engineering and Dr. Zhiqin Chu from the Department of Electrical and Electronic Engineering of the HKU School of Engineering directly placed "NV color centers" on a universal substrate by electronically controlling the distribution of sub-liter droplets containing nanodiamonds , successfully developed a nanometer-precision printing method to print the "NV color centers" in diamond nanoparticles at the quantum level.
Dr. Chu Zhiqin said that there is a great need for a flexible, accurate and cost-controlled diamond particle positioning method in scientific research, and the new technology developed this time can meet the relevant technical requirements.
He expects the new technology to open up a practical and cost-effective way to make quantum devices such as quantum information processors, quantum calculators and biosensors.