AI Insight
Researchers have developed a diamond-based clock that reduces temperature-driven timing drift by combining two signals from nitrogen impurity defects commonly found in diamonds. Natural diamonds contain crystallographic imperfections where nitrogen atoms replace carbon atoms in the crystal lattice, with Type I diamonds containing up to 1% nitrogen impurities and representing 95% of natural diamonds. The technology exploits these naturally occurring defects to create a more stable timing reference.
Why it matters
This development could lead to more accurate and stable timing devices that are less affected by temperature fluctuations, potentially improving precision instruments, navigation systems, and telecommunications infrastructure that rely on precise time-keeping.
Understand the Science
Despite all the advertisements for engagement rings and necklace gifts, natural diamonds are imperfect. Their carbon atoms are arranged in a cubic lattice, but they nonetheless contain several types of crystallographic defects due to impurities that occasionally replace a carbon atom. The most common types of impurities are nitrogen and boron; “Type I” diamonds contain nitrogen impurities, which can be isolated or clustered, at concentrations of up to 1%, and make up about 95% of all natural diamonds.
Source: Diamond clock combines two signals to cut temperature-driven drift