The phrase "diamond crystal" refers to a solid, transparent object made of pure carbon that has a unique crystal structure. It is extremely hard and shiny, often used in jewelry or cutting tools. Full definition
A quantum effect named after an ancient Greek puzzle has been observed in diamond, paving the way for the use of diamond crystals in quantum computer chips. (scientificamerican.com)
Their focus over the past two years has been on diamond crystals and an impurity called a nitrogen - vacancy (NV) center, in which optical and spin degrees of freedom are coupled. (sciencedaily.com)
Each «bristle» contains a single, solid nanofabricated diamond crystal with a special defect, a nitrogen - vacancy (NV) center, located at the tip. (sciencedaily.com)