I Found Ultra-Pure Quantum Crystals in an Abandoned Mine in the Atacama Desert
4 days ago
- #Atacama Desert
- #quantum spin liquid
- #Herbertsmithite
- Natural Herbertsmithite crystals, potential quantum spin liquid materials, were discovered in the waste tailings of an abandoned mine in Chile's Atacama Desert, with at least 10 grams found.
- These natural crystals are exceptionally pure, with a copper to zinc ratio closer to the ideal 3:1 than lab-grown versions, potentially enhancing quantum properties and making them valuable for quantum computing research.
- The crystals could help clarify the existence of a gapped quantum spin liquid state, as their higher purity reduces magnetic impurities, making experimental data less ambiguous and supporting fault-tolerant quantum computing applications.
- Natural crystals may have formed from different chemical pathways, such as precipitating from minerals like hemimorphite, suggesting unique growth conditions that could lead to varied purities and properties compared to synthetic methods.
- Their larger size, forming 'natural wafers' up to 20 x 10 mm, provides more surface area for device fabrication, offering a practical advantage over smaller synthetic crystals in creating quantum computing interfaces.
- There is skepticism in the scientific community about the purity and properties of natural crystals, with ongoing debates over zinc occupation in the crystal layers, highlighting the need for further validation through measurements like site-specific x-ray scattering.
- The discovery raises concerns about ecological damage from mining in the Atacama Desert, as these valuable crystals are being destroyed in large-scale extraction practices, underscoring a conflict between resource exploitation and scientific preservation.